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SO4 Salt Lake Potash Limited

2.45
0.00 (0.00%)
23 Apr 2024 - Closed
Delayed by 15 minutes
Share Name Share Symbol Market Type Share ISIN Share Description
Salt Lake Potash Limited LSE:SO4 London Ordinary Share AU000000SO44 ORD NPV (DI)
  Price Change % Change Share Price Bid Price Offer Price High Price Low Price Open Price Shares Traded Last Trade
  0.00 0.00% 2.45 0.00 01:00:00
Industry Sector Turnover Profit EPS - Basic PE Ratio Market Cap
0 0 N/A 0

Salt Lake Potash Limited MOU for Potential Development Of Lake Way (3378H)

12/03/2018 7:00am

UK Regulatory


TIDMSO4

RNS Number : 3378H

Salt Lake Potash Limited

12 March 2018

 
 12 March 2018   AIM/ASX Code: SO4 
 
 
                       SALT LAKE POTASH LIMITED 
   MOU With Blackham Resources For Potential Development Of Lake Way 
-------------------------------------------------------------------- 
 

Salt Lake Potash (SLP) is pleased to announce that the Company has entered a Memorandum of Understanding (MOU) with Blackham Resources Limited (Blackham) to investigate the potential development of a Sulphate of Potash (SOP) operation based at Lake Way, near Wiluna.

SLP holds approximately 290km(2) of tenure over the Lake Way Paleochannel, as part of the Goldfields Salt Lakes Project (GSLP). Blackham is the owner of the Matilda-Wiluna Gold Operation and holds approximately 64km(2) at the Northern End of the Lake. This surrounds the former Williamson Pit, last mined in 2006 and now filled with brine at an exceptional grade of 25kg/m(3) of SOP.

Under the MOU, SLP will acquire Blackham's brine rights and Blackham will acquire gold rights to SLP's Lake Way holdings, with each company retaining a royalty on their respective holdings. The parties will also co-operate to exchange data and facilitate activities on each other properties.

SLP will investigate the development of an SOP operation at Lake Way, including initially a 40-50,000tpa Demonstration Plant. SLP will sole fund the evaluation and development of any SOP operation at Lake Way. Lake Way has some compelling advantages which make it potentially an ideal site for an SOP operation, including:

-- Substantial capital and operating savings from sharing overheads and infrastructure with the Wiluna Gold Mine, benefits which both Companies would capture. This includes potentially the accommodation camp, flights, power, maintenance, infrastructure and other costs.

-- The site has an excellent freight solution, located 2km from Goldfields Highway, which is permitted for heavy haulage 4 trailer road trains to the railhead at Leonora. It is also adjacent to the Goldfields Gas Pipeline.

-- A Demonstration Plant would likely be built on Blackham's existing Mining Licences, already subject of a Native Title Agreement.

-- SLP would dewater the existing Williamson Pit, prior to Blackham mining, planned for early 2019. The pit contains an estimated 1.2GL of brine at the exceptional grade of 25kg/m(3) of SOP (Refer Appendix 1 for Williamson Pit brine samples details). This brine is potentially the ideal starter feed for evaporation ponds, having already evaporated from the normal Lake Way brine grade, which averages around 14kg/m(3) (.)

-- The high grade brines at Lake Way will result in lower capital and operating costs due to lower extraction and evaporation requirements.

-- There would be substantial savings to both parties from co-operating on activities on each other's ground.

-- Historical exploration and initial sampling indicate the presence of clays in the upper levels of the lake which should be amenable to low cost, on-lake evaporation pond construction.

SLP will complete a Scoping Study for a potential SOP operation at Lake Way, including a Demonstration Plant, by mid-2018, in time to allow a decision on dewatering the Williamson Pit. There is substantial historical data available for Lake Way and the companies have already undertaken preliminary sampling in the Blackham area. Along with the extensive, high quality technical work undertaken at SLP's other lakes, which has substantial application at Lake Way, a Scoping Study can be reliably undertaken in a much shorter timeframe than would normally be the case.

SLP CEO Matt Syme said "we are pleased to reach this agreement with Blackham which could potentially bring very substantial benefit to both companies, and adds significant value from mineral rights to which neither company ascribed value as a standalone. Lake Way appears to be an ideal site for our SOP Demonstration Plant and subsequent expansions. We expect it would result in material time and cost savings for us and also bring significant benefits to the Wiluna Community. It appears to have the best combination in Australia of scale, brine chemistry, permitting and infrastructure access and justifies the effort to prove its potential. Work will continue in parallel at Lake Wells, where our Mining Lease Application is in progress."

LAKE WAY

Lake Way is located in the Goldfields region of Western Australia, less than 15km south of Wiluna. The surface area of the Lake is over 200km(2) .

Lake Way was identified due to its strategic location and significant infrastructure advantages. The Wiluna region is an historic mining precinct dating back to the late 19th century. It has been a prolific nickel and gold mining region and therefore has well developed, high quality infrastructure in place.

The Goldfields Highway is a high quality sealed road permitted to carry quad road trains and passes 2km from the Lake. The Goldfields Gas Pipeline is adjacent to SLP's tenements, running past the eastern side of the Lake.

As described in SLP's ASX Announcement dated 12 December 2017, Lake Way has been extensively explored and mined previously. A paleochannel has been well defined along the Eastern edge of the lake, including brine sampling at depth and test pumping of the basal aquifer.

Competent Persons Statement

The information in this report that relates to Exploration Results for Lake Way is based on information compiled by Mr Ben Jeuken, who is a member Australian Institute of Mining and Metallurgy. Mr Jeuken is employed by Groundwater Science Pty Ltd, an independent consulting company. Mr Jeuken has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity, which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Jeuken consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

Forward Looking Statements

This announcement may include forward-looking statements. These forward-looking statements are based on Salt Lake's expectations and beliefs concerning future events. Forward looking statements are necessarily subject to risks, uncertainties and other factors, many of which are outside the control of Salt Lake, which could cause actual results to differ materially from such statements. Salt Lake makes no undertaking to subsequently update or revise the forward-looking statements made in this announcement, to reflect the circumstances or events after the date of that announcement.

APPIX 1 - BRINE CHEMISTRY ANALYSIS

 
 PIT SAMPLE                       Depth (m)      K        Cl        Na        Ca        Mg       SO(4)     TDS 
                East     North                 (mg/L)    (mg/L)    (mg/L)    (mg/L)    (mg/L)    (mg/L)    (g/L) 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800006       233338   7035669       1       11,400    180,250   106,000     173     14,400    47,700     371 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800008       233338   7035669      20       11,400    181,300   106,000     175     14,400    48,000     371 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800010       233338   7035669      35       11,300    180,800   107,000     174     14,700    48,300     373 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800012       233334   7035874       1       11,100    179,050   106,000     171     14,200    47,100     368 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800014       233334   7035874      20       11,400    171,150   107,000     180     14,400    47,100     378 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800016       233334   7035874      35       11,500    182,000   111,000     179     14,700    49,200     373 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800018       233335   7036022       1       11,300    179,400   106,000     177     14,300    47,400     367 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800020       233335   7036022      20       11,400    181,150   107,000     177     14,500    48,300     375 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 Y800022       233335   7036022      35       11,400    181,150   107,000     179     14,800    48,900     376 
------------  -------  --------  ----------  --------  --------  --------  --------  --------  --------  ------- 
 

APPIX 2 - JORC TABLE ONE

Section 1: Sampling Techniques and Data

 
 Criteria                                JORC Code explanation                   Commentary 
 Sampling techniques                     Nature and quality of sampling (eg      Brine samples were collected from 
                                         cut channels, random chips, or          Williamson Pit at various depths. 
                                         specific specialised industry 
                                         standard measurement tools 
                                         appropriate to the minerals under 
                                         investigation, such as down hole 
                                         gamma sondes, or handheld XRF 
                                         instruments, etc). These examples 
                                         should not be taken as limiting 
                                         the broad meaning of sampling. 
                                         Include reference to measures taken 
                                         to ensure sample representivity and 
                                         the appropriate calibration 
                                         of any measurement tools or systems 
                                         used. 
                                         Aspects of the determination of 
                                         mineralisation that are Material to 
                                         the Public Report. 
                                         In cases where 'industry standard' 
                                         work has been done this would be 
                                         relatively simple (eg 
                                         'reverse circulation drilling was 
                                         used to obtain 1 m samples from which 
                                         3 kg was pulverised 
                                         to produce a 30 g charge for fire 
                                         assay'). In other cases more 
                                         explanation may be required, 
                                         such as where there is coarse gold 
                                         that has inherent sampling problems. 
                                         Unusual commodities 
                                         or mineralisation types (eg submarine 
                                         nodules) may warrant disclosure of 
                                         detailed information. 
======================================  ======================================  ====================================== 
 Drilling techniques                     Drill type (eg core, reverse            Not applicable 
                                         circulation, open-hole hammer, rotary 
                                         air blast, auger, Bangka, 
                                         sonic, etc) and details (eg core 
                                         diameter, triple or standard tube, 
                                         depth of diamond tails, 
                                         face-sampling bit or other type, 
                                         whether core is oriented and if so, 
                                         by what method, etc). 
 Drill sample recovery                   Method of recording and assessing       Not applicable 
                                         core and chip sample recoveries and 
                                         results assessed. 
                                         Measures taken to maximise sample 
                                         recovery and ensure representative 
                                         nature of the samples. 
                                         Whether a relationship exists between 
                                         sample recovery and grade and whether 
                                         sample bias may 
                                         have occurred due to preferential 
                                         loss/gain of fine/coarse material. 
======================================  ======================================  ====================================== 
 Logging                                 Whether core and chip samples have      Not applicable 
                                         been geologically and geotechnically 
                                         logged to a level 
                                         of detail to support appropriate 
                                         Mineral Resource estimation, mining 
                                         studies and metallurgical 
                                         studies. 
                                         Whether logging is qualitative or 
                                         quantitative in nature. Core (or 
                                         costean, channel, etc) 
                                         photography. 
                                         The total length and percentage of 
                                         the relevant intersections logged. 
 Sub-sampling techniques and sample      If core, whether cut or sawn and        Sample bottles are rinsed with brine 
 preparation                             whether quarter, half or all core       which is discarded prior to sampling. 
                                         taken.                                  All brine samples taken in the field 
                                         If non-core, whether riffled, tube      are split into two sub-samples: 
                                         sampled, rotary split, etc and          primary and duplicate. 
                                         whether sampled wet or dry.             Reference samples were analysed at a 
                                         For all sample types, the nature,       separate laboratory for QA/QC. 
                                         quality and appropriateness of the 
                                         sample preparation technique. 
                                         Quality control procedures adopted 
                                         for all sub-sampling stages to 
                                         maximise representivity 
                                         of samples. 
                                         Measures taken to ensure that the 
                                         sampling is representative of the in 
                                         situ material collected, 
                                         including for instance results for 
                                         field duplicate/second-half sampling. 
                                         Whether sample sizes are appropriate 
                                         to the grain size of the material 
                                         being sampled. 
======================================  ======================================  ====================================== 
 Quality of assay data and laboratory    The nature, quality and                 Primary samples were sent to Bureau 
 tests                                   appropriateness of the assaying and     Veritas Minerals Laboratory, Perth. 
                                         laboratory procedures used and          Brine samples were analysed using 
                                         whether the technique is considered     ICP-AES for K, Na, Mg, Ca, with 
                                         partial or total.                       chloride determined by Mohr 
                                         For geophysical tools, spectrometers,   titration and alkalinity determined 
                                         handheld XRF instruments, etc, the      volumetrically. Sulphate was 
                                         parameters used in                      calculated from the ICP-AES 
                                         determining the analysis including      sulphur analysis. 
                                         instrument make and model, reading 
                                         times, calibrations 
                                         factors applied and their derivation, 
                                         etc. 
                                         Nature of quality control procedures 
                                         adopted (eg standards, blanks, 
                                         duplicates, external laboratory 
                                         checks) and whether acceptable levels 
                                         of accuracy (ie lack of bias) and 
                                         precision have been 
                                         established. 
 Verification of sampling and assaying   The verification of significant         Data entry is done in the field to 
                                         intersections by either independent     minimise transposition errors. 
                                         or alternative company                  Brine assay results are received from 
                                         personnel.                              the laboratory in digital format, 
                                         The use of twinned holes.               these data sets are 
                                         Documentation of primary data, data     subject to the quality control 
                                         entry procedures, data verification,    described above. All laboratory 
                                         data storage (physical                  results are entered in to the 
                                         and electronic) protocols.              company's database and validation 
                                         Discuss any adjustment to assay data.   completed. 
                                                                                 Independent verification of 
                                                                                 significant intercepts was not 
                                                                                 considered warranted given the 
                                                                                 relatively consistent nature of the 
                                                                                 brine. 
======================================  ======================================  ====================================== 
 Location of data points                 Accuracy and quality of surveys used    Sample co-ordinates were captured 
                                         to locate drill holes (collar and       using hand held GPS. 
                                         down-hole surveys),                     Coordinates were provided in GDA 
                                         trenches, mine workings and other       94_MGA Zone 51. 
                                         locations used in Mineral Resource      product. 
                                         estimation. 
                                         Specification of the grid system 
                                         used. 
                                         Quality and adequacy of topographic 
                                         control. 
 Data spacing and distribution           Data spacing for reporting of           Data spacing reported in Appendix 1 
                                         Exploration Results. 
                                         Whether the data spacing and 
                                         distribution is sufficient to 
                                         establish the degree of geological 
                                         and grade continuity appropriate for 
                                         the Mineral Resource and Ore Reserve 
                                         estimation procedure(s) 
                                         and classifications applied. 
                                         Whether sample compositing has been 
                                         applied. 
======================================  ======================================  ====================================== 
 Orientation of data in relation to      Whether the orientation of sampling     Not Applicable 
 geological structure                    achieves unbiased sampling of 
                                         possible structures and 
                                         the extent to which this is known, 
                                         considering the deposit type. 
                                         If the relationship between the 
                                         drilling orientation and the 
                                         orientation of key mineralised 
                                         structures is considered to have 
                                         introduced a sampling bias, this 
                                         should be assessed and reported 
                                         if material. 
 Sample security                         The measures taken to ensure sample     All brine samples were marked and 
                                         security.                               kept onsite before transport to the 
                                                                                 laboratory. 
                                                                                 All remaining sample and duplicates 
                                                                                 are stored in the Perth office in 
                                                                                 climate-controlled conditions. 
                                                                                 Chain of Custody system is 
                                                                                 maintained. 
======================================  ======================================  ====================================== 
 Audits or reviews                       The results of any audits or reviews    Data review is summarised in Quality 
                                         of sampling techniques and data.        of assay data, laboratory tests and 
                                                                                 Verification of sampling 
                                                                                 and assaying. No audits were 
                                                                                 undertaken. 
======================================  ======================================  ====================================== 
 

Section 2: Reporting of Exploration Results

 
 Criteria                                JORC Code explanation                   Commentary 
 Mineral tenement and land tenure        Type, reference name/number, location   Pit samples were taken from M53/253 
 status                                  and ownership including agreements or   owned by Blackham Resources Limited 
                                         material issues                         (held by Nova Energy 
                                         with third parties such as joint        Ltd) under the permission of Blackham 
                                         ventures, partnerships, overriding      Resources Limited. 
                                         royalties, native title 
                                         interests, historical sites, 
                                         wilderness or national park and 
                                         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. 
======================================  ======================================  ====================================== 
 Exploration done by other parties       Acknowledgment and appraisal of         Addressed in the announcement dated 
                                         exploration by other parties.           12 December 2017. 
 Geology                                 Deposit type, geological setting and    Salt Lake Brine Deposit 
                                         style of mineralisation. 
======================================  ======================================  ====================================== 
 Drill hole Information                      A summary of all information        Not Applicable 
                                             material to the understanding of 
                                             the exploration results including 
                                             a tabulation of the following 
                                             information for all Material 
                                             drill holes: 
                                             o easting and northing of the 
                                             drill hole collar 
                                             o elevation or RL (Reduced Level 
                                             - elevation above sea level in 
                                             metres) of the drill hole 
                                             collar 
                                             o dip and azimuth of the hole 
                                             o down hole length and 
                                             interception depth 
                                             o 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 methods                In reporting Exploration Results,       No low grade cut-off or high grade 
                                         weighting averaging techniques,         capping has been implemented. 
                                         maximum and/or minimum grade 
                                         truncations (eg cutting of high 
                                         grades) and cut-off grades are 
                                         usually Material and should 
                                         be 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 mineralisation     These relationships are particularly    Not applicable 
 widths and intercept lengths            important in the reporting of 
                                         Exploration Results. 
                                         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     Not Applicable 
                                         scales) and tabulations of intercepts 
                                         should be included 
                                         for any significant discovery being 
                                         reported These should 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    All results have been included. 
                                         Exploration 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 exploration data      Other exploration data, if meaningful   Addressed in the announcement. 
                                         and material, should be reported 
                                         including (but not 
                                         limited to): 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         Addressed in the announcement. 
                                         further work (eg tests for lateral 
                                         extensions or depth extensions 
                                         or large-scale step-out drilling). 
                                         Diagrams clearly highlighting the 
                                         areas of possible extensions, 
                                         including the main geological 
                                         interpretations and future drilling 
                                         areas, provided this information is 
                                         not commercially sensitive. 
======================================  ======================================  ====================================== 
 

For further information please visit www.saltlakepotash.com.au or contact:

 
 Matt Syme/Sam Cordin             Salt Lake Potash Limited                    Tel: +61 8 9322 6322 
 Jo Battershill                   Salt Lake Potash Limited                    Tel: +44 (0) 20 7478 3900 
 Colin Aaronson/Richard Tonthat   Grant Thornton UK LLP (Nominated Adviser)   Tel: +44 (0) 20 7383 5100 
 Derrick Lee/Beth McKiernan       Cenkos Securities plc (Joint Broker)        Tel: +44 (0) 131 220 6939 
 Jerry Keen/Toby Gibbs            Shore Capital (Joint broker)                Tel: +44 (0) 20 7468 7967 
 

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.

This information is provided by RNS

The company news service from the London Stock Exchange

END

MSCUAUKRWRAOAAR

(END) Dow Jones Newswires

March 12, 2018 03:00 ET (07:00 GMT)

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