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WRES W Resources Plc

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Share Name Share Symbol Market Type Share ISIN Share Description
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W Resources PLC High Grade Tungsten Intersections at Regua (0838B)

18/09/2018 7:02am

UK Regulatory


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TIDMWRES

RNS Number : 0838B

W Resources PLC

18 September 2018

18 September 2018

W Resources Plc

("W" or the "Company")

High Grade Tungsten Intersections at Régua Ahead of Mine Development

Includes 29m at 0.75% WO(3)

W Resources Plc (AIM:WRES), the tungsten, copper and gold mining company with assets in Spain and Portugal, is pleased to report high-grade and wide intersections from recent Reverse Circulation ("RC") drilling at its Régua mine development in Northern Portugal.

The RC assays are significantly higher than expected including 29m @ 0.75% WO(3) from 48m in hole RGR015 on the north-western flank. Three of the reported assay results are above 1% and almost 50% of the results are greater than the average grade of the orebody.

Assay results for the first 10 drill holes out of 20 in the 1,809 metre reverse circulation drilling programme have delineated a number of high grade zones including:

 
 Hole ID    Dip   Depth (m)   From (m)   To (m)    Drilled     WO(3) % 
                                                   width (m) 
                                                      (1) 
  RGR023    -90    190.00      99.00     103.00      4.00       0.65 
           ====  ==========  =========  =======  ===========  ======== 
            and                123.00    125.00      2.00       0.70 
                             =========  =======  ===========  ======== 
            and                127.00    128.00      1.00       0.50 
                             =========  =======  ===========  ======== 
            and                162.00    164.00      2.00       0.74 
                             =========  =======  ===========  ======== 
            and                175.00    177.00      2.00       0.54 
                             =========  =======  ===========  ======== 
  RGR021    -90    160.00      87.00     89.00       2.00       0.66 
           ====  ==========  =========  =======  ===========  ======== 
            and                93.00     97.00       4.00       0.58 
                             =========  =======  ===========  ======== 
         including             94.00     96.00       2.00       1.00 
                             =========  =======  ===========  ======== 
  RGR020    -90    140.00      74.00     77.00       3.00       0.71 
           ====  ==========  =========  =======  ===========  ======== 
            and                86.00     87.00       1.00       0.62 
                             =========  =======  ===========  ======== 
            and                89.00     91.00       2.00       0.65 
                             =========  =======  ===========  ======== 
            and                93.00     97.00       4.00       0.90 
                             =========  =======  ===========  ======== 
         including             93.00     96.00       3.00       1.19 
                             =========  =======  ===========  ======== 
  RGR016    -90    104.00       4.00      5.00       1.00       1.00 
           ====  ==========  =========  =======  ===========  ======== 
            and                59.00     61.00       2.00       0.74 
                             =========  =======  ===========  ======== 
  RGR015    -90    100.00      41.00     45.00       4.00       0.50 
           ====  ==========  =========  =======  ===========  ======== 
         including             43.00     44.00       1.00       1.06 
                             =========  =======  ===========  ======== 
            and                48.00     77.00      29.00       0.75 
                             =========  =======  ===========  ======== 
         including             50.00     55.00       5.00       0.78 
                             =========  =======  ===========  ======== 
            plus               58.00     76.00      18.00       0.93 
                             =========  =======  ===========  ======== 
 
 

Michael Masterman, Chairman of W Resources, commented: "These are exceptional results in the north-western part of the Régua orebody and it is great to receive them in the lead up to the trial mine development. The orebody remains open at depth and in all directions, specifically the zones to the northwest are indicating significant width and grade and are highly prospective for mine extension drilling. Preliminary works including this drilling programme are advancing.

"Development planning for Régua continues based on low-cost underground mining using adits (horizontal tunnels), trucking ore to a nearby existing crusher, and mobilisation of the existing La Parrilla concentrator to Régua, following new large scale La Parrilla concentrator start up."

At La Parrilla, W has recently been running its existing older concentrator for production of tungsten and tin. The plant is currently being modified to allow pilot runs and testing of the upgraded large scale concentrator plant circuit to greatly assist in commissioning and ramp-up of the new large scale concentrator plant. At this stage no tungsten concentrate shipments have been made and this is something the Company will review and update the market on once the testing phases have been completed.

Enquiries:

 
W Resources Plc                    Grant Thornton UK LLP 
Michael Masterman                  Colin Aaronson / Jen Clarke 
                                    / Seamus Fricker 
T: +44 (0) 20 7193 7463            T: +44 (0) 20 7383 5100 
www.wresources.co.uk 
 
Turner Pope Investments (TPI) Ltd  Gable Communications 
Andy Thacker                       Justine James 
T: +44 (0) 203 621 4120            T: +44 (0) 20 7193 7463 
www.turnerpope.com                 M: +44 (0) 7525 324431 
 

The information contained within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

About Régua

W Resources Plc (AIM:WRES) owns a permit for the exploration of the Régua tungsten deposit located 400km North of Lisbon and 95km East of Porto in the municipality of the town of Armamar. The Company was awarded a trial mining licence by the Portuguese Ministry for the Environment, Territorial Planning and Energy in June 2014.

Régua tungsten deposit has a resource of 5.46 million tonnes grading 0.28% WO(3) , at a cut-off of 0.1% WO(3) , covering an area of 8km(2). The deposit has not been previously mined and is located close to infrastructure with good road access.

Technical information has been prepared in accordance with the JORC Code or defined by National Instrument 43-101 and approved for inclusion by Mr José Mario Castelo Branco, EuroGeol, who is a "qualified person" in respect of the AIM Rules for Companies with over 35 years' experience in the Exploration and Mining Geology industry. Mr Castelo Branco holds a B.Sc. in Geology from the University of Porto in Portugal. He is also a member of the Portuguese Association of Geologists (Number 354), the European Federation of Geologists, the Society of Economic Geologists, the Society for Geology Applied to Mineral Deposits and the Prospectors and Developers Association of Canada.

Annexure 1: Regua (Vila Seca-Santo Adrião) Reverse Circulation Hole Collars and Results (results received to date)

 
  Hole     Easting    Northing       RL       Azimuth   Dip   Depth     From      To     Drilled   WO(3) 
    ID                                                          (m)      (m)      (m)     width      % 
                                                                                           (m) 
                                                                                           (1) 
 RGR023    40322.33   162701.99    331.49        0      -90   190.00   73.00    76.00     3.00     0.26 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   92.00    94.00     2.00     0.09 
====================================================================  =======  =======  ========  ====== 
                                 and                                   99.00    106.00    7.00     0.42 
====================================================================  =======  =======  ========  ====== 
                              including                                99.00    103.00    4.00     0.65 
====================================================================  =======  =======  ========  ====== 
                                 and                                   120.00   129.00    9.00     0.30 
====================================================================  =======  =======  ========  ====== 
                              including                                123.00   125.00    2.00     0.70 
====================================================================  =======  =======  ========  ====== 
                                plus                                   127.00   128.00    1.00     0.50 
====================================================================  =======  =======  ========  ====== 
                                 and                                   161.00   168.00    7.00     0.31 
====================================================================  =======  =======  ========  ====== 
                              including                                162.00   164.00    2.00     0.74 
====================================================================  =======  =======  ========  ====== 
                                 and                                   175.00   177.00    2.00     0.54 
====================================================================  =======  =======  ========  ====== 
 RGR021    40464.99   162626.28    322.25        0      -90   160.00   36.00    39.00     3.00     0.31 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   43.00    44.00     1.00     0.05 
====================================================================  =======  =======  ========  ====== 
                                 and                                   51.00    52.00     1.00     0.09 
====================================================================  =======  =======  ========  ====== 
                                 and                                   86.00    90.00     4.00     0.41 
====================================================================  =======  =======  ========  ====== 
                              including                                87.00    89.00     2.00     0.66 
====================================================================  =======  =======  ========  ====== 
                                 and                                   93.00    97.00     4.00     0.58 
====================================================================  =======  =======  ========  ====== 
                              including                                94.00    96.00     2.00     1.00 
====================================================================  =======  =======  ========  ====== 
                                 and                                   101.00   104.00    3.00     0.14 
====================================================================  =======  =======  ========  ====== 
                                 and                                   106.00   109.00    3.00     0.05 
====================================================================  =======  =======  ========  ====== 
 RGR020    40463.12   162604.26    319.90        0      -90   140.00   21.00    24.00     3.00     0.27 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   48.00    52.00     4.00     0.30 
                                                                      =======  =======  ========  ====== 
                                 and                                   71.00    77.00     6.00     0.43 
                                                                      =======  =======  ========  ====== 
                              including                                74.00    77.00     3.00     0.71 
                                                                      =======  =======  ========  ====== 
                                 and                                   79.00    91.00     12.00    0.26 
                                                                      =======  =======  ========  ====== 
                              including                                86.00    87.00     1.00     0.62 
                                                                      =======  =======  ========  ====== 
                                plus                                   89.00    91.00     2.00     0.65 
                                                                      =======  =======  ========  ====== 
                                 and                                   93.00    97.00     4.00     0.90 
                                                                      =======  =======  ========  ====== 
                              including                                93.00    96.00     3.00     1.19 
                                                                      =======  =======  ========  ====== 
 RGR019    40518.32   162651.32    296.09       133     -75   140.00   56.00    57.00     1.00     0.05 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   71.00    72.00     1.00     0.05 
                                                                      =======  =======  ========  ====== 
 RGR018    40510.19   162633.63    296.81        0      -90   120.00   19.00    23.00     4.00     0.29 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                              including                                20.00    22.00     2.00     0.44 
                                                                      =======  =======  ========  ====== 
                                 and                                   51.00    53.00     2.00     0.35 
                                                                      =======  =======  ========  ====== 
 RGR017    40499.86   162613.43    298.19        0      -90   110.00    4.00     7.00     3.00     0.16 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   21.00    22.00     1.00     0.33 
                                                                      =======  =======  ========  ====== 
                                 and                                   34.00    35.00     1.00     0.15 
                                                                      =======  =======  ========  ====== 
                                 and                                   74.00    75.00     1.00     0.05 
                                                                      =======  =======  ========  ====== 
 RGR016    40483.50   162600.46    307.24        0      -90   104.00    3.00     6.00     3.00     0.40 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                              including                                 4.00     5.00     1.00     1.00 
                                                                      =======  =======  ========  ====== 
                                 and                                   21.00    22.00     1.00     0.08 
                                                                      =======  =======  ========  ====== 
                                 and                                   54.00    56.00     2.00     0.09 
                                                                      =======  =======  ========  ====== 
                                 and                                   58.00    62.00     4.00     0.44 
                                                                      =======  =======  ========  ====== 
                              including                                59.00    61.00     2.00     0.74 
                                                                      =======  =======  ========  ====== 
                                 and                                   68.00    69.00     1.00     0.11 
                                                                      =======  =======  ========  ====== 
                                 and                                   72.00    76.00     4.00     0.18 
                                                                      =======  =======  ========  ====== 
 RGR015    40480.04   162584.02    307.90        0      -90   100.00    7.00     8.00     1.00     0.14 
          =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                 and                                   21.00    24.00     3.00     0.33 
                                                                      =======  =======  ========  ====== 
                                 and                                   29.00    30.00     1.00     0.05 
                                                                      =======  =======  ========  ====== 
                                 and                                   41.00    45.00     4.00     0.50 
                                                                      =======  =======  ========  ====== 
                              including                                43.00    44.00     1.00     1.06 
                                                                      =======  =======  ========  ====== 
                                 and                                   48.00    77.00     29.00    0.75 
                                                                      =======  =======  ========  ====== 
                              including                                50.00    55.00     5.00     0.78 
                                                                      =======  =======  ========  ====== 
                                plus                                   58.00    76.00     18.00    0.93 
                                                                      =======  =======  ========  ====== 
 RGR014    40543.56   162647.23    280.88        0      -90   100.00   20.00    21.00     1.00     0.06 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                     and                               26.00    27.00     1.00     0.05 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                     and                               53.00    58.00     5.00     0.19 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                  including                            55.00    57.00     2.00     0.33 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
 RGR011    40552.66   162662.63    279.18        0      -90   100.00   28.00    29.00     1.00     0.11 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                     and                               32.00    33.00     1.00     0.15 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
                                     and                               61.00    63.00     2.00     0.21 
========  =========  ==========  ==========  ========  ====  =======  =======  =======  ========  ====== 
 
   (1)     Intervals are reported as drilled width until true width is calculated and stated as is 
   (2)     Maximum dilution between mineralised intervals: 1m 
   (3)     Cut-off grade: 0.05% WO(3) 

Annexure 2: Régua Project

JORC Code, 2012 Edition - Table 1 report

Section 1 - Sampling Techniques and Data

 
 Criteria       JORC Code explanation                                         Commentary 
 Sampling 
  techniques     *    Nature and quality of sampling (e.g. cut channels,       *    W Resources (Iberian Resources Portugal) have drilled 
                      random chips, or specific specialised industry                20 Reverse Circulation (RC) holes for 1809m. Results 
                      standard measurement tools appropriate to the                 from 10 holes are now been reported. One metre 
                      minerals under investigation, such as down hole gamma         samples were systematically obtained from a 
                      sondes, or handheld XRF instruments, etc.). These             rig-mounted cyclone splitter and sampled dry. 
                      examples should not be taken as limiting the broad            Approximately 90% of the RC chips were split to 
                      meaning of sampling.                                          600x900mm plastic bags for potential re-sampling, 
                                                                                    whilst 10% were captured at the sample port in 
                                                                                    300x600m plastic sample bags. 
                 *    Include reference to measures taken to ensure sample 
                      representivity and the appropriate calibration of any 
                      measurement tools or systems used.                       *    Samples were split and weights were ensured to be of 
                                                                                    sufficient size (2.5 to 3.5kgs) to be adequately 
                                                                                    representative of the drilled metre, which was 
                 *    Aspects of the determination of mineralisation that           verified with the use of field and lab duplicates. 
                      are Material to the Public Report. 
 
                                                                               *    The weight of all sample bags was recorded for 
                 *    In cases where 'industry standard' work has been done         allowing recovery control. 
                      this would be relatively simple (e.g. 'reverse 
                      circulation drilling was used to obtain 1 m samples 
                      from which 3 kg was pulverised to produce a 30 g         *    Small portions of each 1 m sample were stored in two 
                      charge for fire assay'). In other cases more                  chip trays after careful homogenisation, one with the 
                      explanation may be required, such as where there is           recovered materials and the other with washed and 
                      coarse gold that has inherent sampling problems.              sieved rock chips. These small potions were assessed 
                      Unusual commodities or mineralisation types (e.g.             for lithology, colour, texture, mineralisation under 
                      submarine nodules) may warrant disclosure of detailed         a shortwave UV lamp, photographed and recorded onto a 
                      information.                                                  logging sheet. 
 
 
                                                                               *    The 3kg sample bags with visually detected 
                                                                                    mineralisation were selected to be sent to the assay 
                                                                                    laboratory, as well as the samples for the one-metre 
                                                                                    intervals taken immediately before and immediately 
                                                                                    after the mineralised ones. The samples were bagged 
                                                                                    for shipment to the laboratory inside a second 
                                                                                    plastic bag numbered on the outside with water-proof 
                                                                                    ink. 
               ============================================================  ============================================================ 
 Drilling 
  techniques      *    Drill type (eg core, reverse circulation, open-hole     *    Reverse Circulation drilling using a truck-mounted 
                       hammer, rotary air blast, auger, Bangka, sonic, etc)         SPIDRILL 260 rig (and compressor rated 33 bar, 
                       and details (eg core diameter, triple or standard            35m3/min) was conducted by SPI. A reverse circulation 
                       tube, depth of diamond tails, face-sampling bit or           face sampling hammer with a 5.5-inch bit was 
                       other type, whether core is oriented and if so, by           utilised. 
                       what method, etc). 
 
                                                                               *    Every one metre drilled was sampled using a 
                                                                                    rig-mounted cyclone with cone splitter. 
 
 
                                                                               *    All drill holes were surveyed at the collar surface 
                                                                                    by high-resolution topographic survey. Data for 
                                                                                    Eastings, Northings and RL was recorded in 
                                                                                    PT-TM06/ETRS89, WGS84-UTM-ZONE29N. 
 
 
                                                                               *    All drill holes have been subject to downhole 
                                                                                    surveying at the bottom of the hole using EZ-Trac 
                                                                                    from Reflex Instruments to record variations from the 
                                                                                    original inclination. 
               ============================================================  ============================================================ 
 Drill sample 
  recovery       *    Method of recording and assessing core and chip           *    Down hole sampling was carried out on one metre 
                      sample recoveries and results assessed.                        drilled interval using a rig-mounted cyclone with 
                                                                                     cone splitter. 
 
                 *    Measures taken to maximise sample recovery and ensure 
                      representative nature of the samples.                     *    Samples were weighted while drilling and a field 
                                                                                     assessment of sample volume was estimated to be in 
                                                                                     the range of 37 to 43kg per metre. 
                 *    Whether a relationship exists between sample recovery 
                      and grade and whether sample bias may have occurred 
                      due to preferential loss/gain of fine/coarse              *    RC drilling sample weights allowed to measure 
                      material.                                                      recovery and to ensure samples were maximised. 
 
 
                                                                                *    Recoveries were excellent, generally above 90%. 
                                                                                     Sample recoveries were recorded by the geologist as 
                                                                                     "good" for all RC holes. 
 
 
                                                                                *    All records were inserted in an Excel spreadsheet. 
               ============================================================  ============================================================ 
 Logging 
                  *    Whether core and chip samples have been geologically    *    Dry and sieved RC chip samples were logged for each 
                       and geotechnically logged to a level of detail to            meter interval then stored in RC chip trays marked 
                       support appropriate Mineral Resource estimation,             with hole IDs plus depth intervals and photographed. 
                       mining studies and metallurgical studies. 
 
                                                                               *    Geological logging information included lithology, 
                  *    Whether logging is qualitative or quantitative in            colour, texture, mineralisation under a shortwave UV 
                       nature. Core (or costean, channel, etc) photography.         lamp and weathering. Data was recorded onto a logging 
                                                                                    sheet and later transferred to an Excel spread sheet. 
 
                  *    The total length and percentage of the relevant 
                       intersections logged.                                   *    All drill holes have been logged in full and logging 
                                                                                    has been primarily qualitative. 
 
 
                                                                               *    The rock-chip trays are stored at the IRP office in 
                                                                                    Armamar, Portugal for future reference. 
               ============================================================  ============================================================ 
 Sub-sampling 
  techniques      *    If core, whether cut or sawn and whether quarter,       *    The RC samples were split at the rig using a cyclone 
  and sample           half or all core taken.                                      splitter, which is considered appropriate and 
  preparation                                                                       industry standard. Proportion of wet samples was less 
                                                                                    than 1%. 
                  *    If non-core, whether riffled, tube sampled, rotary 
                       split, etc and whether sampled wet or dry. 
                                                                               *    RC rockchip were submitted to ALS Laboratory in 
                                                                                    Seville, Spain for assay. 
                  *    For all sample types, the nature, quality and 
                       appropriateness of the sample preparation technique. 
                                                                               *    At ALS facilities, samples were crushed (70% 
 
                  *    Quality control procedures adopted for all 
                       sub-sampling stages to maximise representativity of     *    Analysis were performed using Aqua Regia digestion 
                       samples.                                                     and combined ICP-MS and ICP-AES (ref. ME-MS41) and 
                                                                                    lithium borate fusion with XRF finish for tungsten 
                                                                                    (ME-XRF10). 
                  *    Measures taken to ensure that the sampling is 
                       representative of the in situ material collected, 
                       including for instance results for field                *    The following elements were included in the analysis: 
                       duplicate/second-half sampling.                              Ag,Al,As,Au,B,Ba,Be,Bi,Ca,Cd,Ce,Co,Cr,Cs,Cu,Fe,Ga,Ge, 
                                                                                    Hf,Hg,In,K,La,Li,Mg,Mn,Mo,Na,Nb,Ni,P,Pb,Rb,Re,S,Sb,Sc 
                                                                              , 
                  *    Whether sample sizes are appropriate to the grain            Se,Sn,Sr,Ta,Te,Th,Ti,Tl,U,V,W,Y,Zn,Zr,W. 
                       size of the material being sampled. 
               ============================================================  ============================================================ 
 Quality of 
 assay data      *    The nature, quality and appropriateness of the           *    Short wave UV light was used to identify the presence 
 and                  assaying and laboratory procedures used and whether           of scheelite in the RC chip samples but was not use 
 laboratory           the technique is considered partial or total.                 as a quantitative or semi-quantitative method. 
 tests 
 
                 *    For geophysical tools, spectrometers, handheld XRF       *    Three different grades of internationally certified 
                      instruments, etc, the parameters used in determining          standards (CDN-W1, CDN-W3, CDN-W4) for tungsten, 
                      the analysis including instrument make and model,             field duplicates (approx. 3 kg) and blanks (silica 
                      reading times, calibrations factors applied and their         sand) were introduced at every batch of 20 samples. 
                      derivation, etc. 
 
                                                                               *    Results from these samples correlated well and showed 
                 *    Nature of quality control procedures adopted (eg              good precision. 
                      standards, blanks, duplicates, external laboratory 
                      checks) and whether acceptable levels of accuracy (ie 
                      lack of bias) and precision have been established.       *    Internal laboratory cross checking methods were 
                                                                                    implemented by ALS. 
 
 
                                                                               *    Assay data reported as per laboratory final reports 
                                                                                    and certificates 
 
 
                                                                               *    Drilling sample sizes (generally 2.8 to 3.2kg) are 
                                                                                    appropriate and industry standard size, to correctly 
                                                                                    represent the relatively homogenous medium-grained, 
                                                                                    scheelite-bearing mineralised skarns. As noted above 
                                                                                    duplicates samples correlated well, therefore sample 
                                                                                    sizes are considered to be acceptable to accurately 
                                                                                    represent scheelite mineralisation. 
               ============================================================  ============================================================ 
 Verification 
 of sampling     *    The verification of significant intersections by          *    Verification of significant intersections was 
 and assaying         either independent or alternative company personnel.           performed by alternative company personnel. 
 
 
                 *    The use of twinned holes.                                 *    Primary logging paper sheets stored at office, data 
                                                                                     entered into Excel spreadsheets as is both stored in 
                                                                                     the IRP server and in an external hard drive. 
                 *    Documentation of primary data, data entry procedures, 
                      data verification, data storage (physical and 
                      electronic) protocols.                                    *    All RC sampling riffle boxes are photographed and a 
                                                                                     photo archive is maintained within the drilling 
                                                                                     database. 
                 *    Discuss any adjustment to assay data. 
               ============================================================  ============================================================ 
 Location 
 of data         *    Accuracy and quality of surveys used to locate drill      *    Drill hole collars were surveyed by precision dGPS 
 points               holes (collar and down-hole surveys), trenches, mine           with GPRS on-line processing with 10 mm accuracy. 
                      workings and other locations used in Mineral Resource 
                      estimation. 
                                                                                *    Grid system used is PT-TM06/ETRS89, 
                                                                                     WGS84-UTM-ZONE29N. 
                 *    Specification of the grid system used. 
 
                                                                                *    Topographic information has been sourced from a 
                 *    Quality and adequacy of topographic control.                   previous topographic survey ordered by IRP in 2014. 
               ============================================================  ============================================================ 
 Data spacing 
 and             *    Data spacing for reporting of Exploration Results.       *    Completed RC drill holes were designed for two 
 distribution                                                                       purposes: 490m from 3 exploratory holes and 1319m for 
                                                                                    testing the trial mine panel to stope. 
                 *    Whether the data spacing and distribution is 
                      sufficient to establish the degree of geological and 
                      grade continuity appropriate for the Mineral Resource    *    Drill spacing between RC holes is between 20 and 40m 
                      and Ore Reserve estimation procedure(s) and                   depending on site accessibility. 
                      classifications applied. 
 
                                                                               *    Data distribution is sufficient to complete existing 
                 *    Whether sample compositing has been applied.                  Mineral Resource. 
 
 
                                                                               *    Data spacing and distribution are not sufficient to 
                                                                                    establish Mineral Ore Reserve estimations. 
 
 
                                                                               *    Sample compositing has not been applied. 
               ============================================================  ============================================================ 
 Orientation 
 of data in      *    Whether the orientation of sampling achieves unbiased     *    The dip of the drill holes is not perpendicular to 
 relation             sampling of possible structures and the extent to              the true dip of the skarn bodies, so the 
 to                   which this is known, considering the deposit type.             intersections do not represent true widths. 
 geological 
 structure 
                 *    If the relationship between the drilling orientation      *    Best estimate of mineralisation widths is 70% of the 
                      and the orientation of key mineralised structures is           published figure. 
                      considered to have introduced a sampling bias, this 
                      should be assessed and reported if material. 
               ============================================================  ============================================================ 
 Sample 
 security         *    The measures taken to ensure sample security.           *    RC chip samples are kept in labelled riffle boxes 
                                                                                    while 3kg duplicate samples of each drilled meter are 
                                                                                    stored in labelled plastic sample bags in a locked 
                                                                                    building. 
 
 
                                                                               *    Industry standard practices are applied. 
               ============================================================  ============================================================ 
 Audits or 
  reviews         *    The results of any audits or reviews of sampling        *    The collar and assay data were reviewed by compiling 
                       techniques and data.                                         the database on Excel, and importing into 
                                                                                    three-dimensional modelling packages. 
 
 
                                                                               *    No numbering discrepancies were identified. 
 
 
                                                                               *    All information was internally audited by experienced 
                                                                                    geologists. 
 
 
                                                                               *    A senior geologist with more than 30 years of 
                                                                                    practice supervise all processes. 
               ============================================================  ============================================================ 
 

Section 2 - Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

 
 Criteria         JORC Code explanation                                           Commentary 
 Mineral 
 tenement           *    Type, reference name/number, location and ownership        *    All work was performed inside the Trial Mnining 
 and land                including agreements or material issues with third              license CE-142 "Vila Seca- Santo Adrião", 
 tenure status           parties such as joint ventures, partnerships,                   granted to Iberian Resources Portugal, Recursos 
                         overriding royalties, native title interests,                   Minerais, Unipessoal, Lda, 100% owned by W Resources 
                         historical sites, wilderness or national park and               Plc on 20 June 2014. 
                         environmental settings. 
 
 
                    *    The security of the tenure held at the time of 
                         reporting along with any known impediments to 
                         obtaining a licence to operate in the area. 
                 ==============================================================  ============================================================= 
 
                    *    Acknowledgment and appraisal of exploration by other       *    Previous exploration activities in 1980's by "Minas 
                         parties.                                                        de Santa Leucádia, Lda" and "Rio Tinto Finance 
                                                                                         and Exploration, Ldt."(Riofinex). 
                 ==============================================================  ============================================================= 
 Geology 
                    *    Deposit type, geological setting and style of             *    Scheelite bearing skarns within impure carbonate 
                         mineralisation.                                                horizons of a pre-Ordovican greywaque-schist sequence, 
                                                                                        which has been affected by contact metamorphism from 
                                                                                        Hercynian granites. 
                 ==============================================================  ============================================================= 
 Drill hole 
  Information         *    A summary of all information material to the             *    See Annexure 1 for drill hole information 
                           understanding of the exploration results including a 
                           tabulation of the following information for all 
                           Material drill holes: 
 
 
                      *    easting and northing of the drill hole collar 
 
 
                      *    elevation or RL (Reduced Level - elevation above sea 
                           level in metres) of the drill hole collar 
 
 
                      *    dip and azimuth of the hole 
 
 
                      *    down hole length and interception depth 
 
 
                      *    hole length. 
 
 
                      *    If the exclusion of this information is justified on 
                           the basis that the information is not Material and 
                           this exclusion does not detract from the 
                           understanding of the report, the Competent Person 
                           should clearly explain why this is the case. 
                 ==============================================================  ============================================================= 
 Data 
 aggregation        *    In reporting Exploration Results, weighting averaging      *    Reported intercepts are weighted using a 0.05% WO(3) 
 methods                 techniques, maximum and/or minimum grade truncations            cut off grade with no more than one metre of internal 
                         (eg cutting of high grades) and cut-off grades are              dilution 
                         usually Material and should be stated. 
 
                                                                                    *    No metal equivalents used or stated 
                    *    Where aggregate intercepts incorporate short lengths 
                         of high grade results and longer lengths of low grade 
                         results, the procedure used for such aggregation 
                         should be stated and some typical examples of such 
                         aggregations should be shown in detail. 
 
 
                    *    The assumptions used for any reporting of metal 
                         equivalent values should be clearly stated. 
                 ==============================================================  ============================================================= 
 Relationship 
 between            *    These relationships are particularly important in the      *    Drill intersections in the announcement are reported 
 mineralisation          reporting of Exploration Results.                               as down hole intercepts not true widths. 
 widths and 
 intercept 
 lengths            *    If the geometry of the mineralisation with respect to 
                         the drill hole angle is known, its nature should be 
                         reported. 
 
 
                    *    If it is not known and only the down hole lengths are 
                         reported, there should be a clear statement to this 
                         effect (eg 'down hole length, true width not known'). 
                 ==============================================================  ============================================================= 
 Diagrams 
                    *    Appropriate maps and sections (with scales) and           *    Tabulation of results included in the body of the 
                         tabulations of intercepts should be included for any           announcement are a selection of high grade intercepts, 
                         significant discovery being reported These should              above 0.5% WO(3) . 
                         include, but not be limited to a plan view of drill 
                         hole collar locations and appropriate sectional 
                         views. 
                 ==============================================================  ============================================================= 
 Balanced 
  reporting         *    Where comprehensive reporting of all Exploration           *    All results comprehensively announced. 
                         Results is not practicable, representative reporting 
                         of both low and high grades and/or widths should be 
                         practiced to avoid misleading reporting of 
                         Exploration Results. 
                 ==============================================================  ============================================================= 
 Other 
 substantive        *    Other exploration data, if meaningful and material, 
 exploration             should be reported including (but not limited to): 
 data                    geological observations; geophysical survey results; 
                         geochemical survey results; bulk samples - size and 
                         method of treatment; metallurgical test results; bulk 
                         density, groundwater, geotechnical and rock 
                         characteristics; potential deleterious or 
                         contaminating substances. 
                 ==============================================================  ============================================================= 
 Further work 
                    *    The nature and scale of planned further work (eg           *    Further work will include the results of the pending 
                         tests for lateral extensions or depth extensions or             assays from 10 RC holes and a diamond core drilling 
                         large-scale step-out drilling).                                 campaign. 
 
 
                    *    Diagrams clearly highlighting the areas of possible 
                         extensions, including the main geological 
                         interpretations and future drilling areas, provided 
                         this information is not commercially sensitive. 
                 ==============================================================  ============================================================= 
 

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

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