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ARS Asiamet Resources Limited

0.725
0.00 (0.00%)
Last Updated: 08:00:00
Delayed by 15 minutes
Share Name Share Symbol Market Type Share ISIN Share Description
Asiamet Resources Limited LSE:ARS London Ordinary Share BM04521V1038 COM SHS USD0.01 (DI)
  Price Change % Change Share Price Bid Price Offer Price High Price Low Price Open Price Shares Traded Last Trade
  0.00 0.00% 0.725 0.70 0.75 0.725 0.725 0.725 276,000 08:00:00
Industry Sector Turnover Profit EPS - Basic PE Ratio Market Cap
Miscellaneous Metal Ores,nec 0 -6.93M -0.0027 -2.67 18.68M

Asiamet Resources Limited Intersects 115.5m at 1% Cu at BK44 Zone (8184X)

29/11/2017 7:01am

UK Regulatory


TIDMARS

RNS Number : 8184X

Asiamet Resources Limited

29 November 2017

   For Immediate Release                               London AIM 
   29 November 2017                                    Symbol: ARS 

Asiamet Completes Metallurgy Drill Holes, Intersects 115.5m at 1% Cu at BK44 Zone

Metallurgy drill holes at BKM Copper Project ("BKM") have intersected near surface high-grade copper mineralisation at BK44 and BK58 Zones. These results further increase the Company's confidence in the BKM resource and support a potential strategy in the ongoing Feasibility Study to develop the first stage of mining in higher grade, higher recovery copper mineralisation.

The 2017 drilling for the metallurgical test work has been finalised, a total of nine holes for 764 metres of diamond core drilling were completed (Figure 1).

Result highlights from eight of the nine holes are reported below.

   BKM32230-01    115.5m at 1.01% Copper (from 2 metres) and hole terminated in 2.56% Cu 

Including 13.0m at 1.81% Copper (from 25.0 metres)

Including 8.0m at 1.97% Copper (from 47.0 metres)

Including 17.0m at 1.24% Copper (from 86.0 metres)

Including 9.0m at 1.89% Copper (from 108.5 metres)

   BKM31720-01    3.0m at 1.42% Copper (from 9.0 metres) 

8.0m at 2.15% Copper (from 15.0 metres)

   BKM31780-01    59.0m at 0.68% Copper (from 4.0 metres) 

Including 14.0m at 0.85% Copper (from 5.0 metres)

Including 8.0m at 1.18% Copper (from 39.0 metres)

   BKM32080-01    4.0m at 1.42% Copper (from 1.0 metres) 

8.0m at 0.77% Copper (from 22.0 metres)

14.0m at 0.70% Copper (from 42.0 metres)

5.0m at 0.66% Copper (from 63.0 metres)

   BKM32425-02    24.3m at 0.82% Copper (from 1.7 metres) 

Including 9.0m at 1.42% Copper (from 9.0 metres)

   BKM32485-01    41.5m at 0.74% Copper (from 25.0 metres) 

Including 9.5m at 1.84% Copper (from 46.0 metres)

   BKM32580-01    10.0m at 1.28% Copper (from 5.0 metres) 

Including 7.0m at 1.71% Copper (from 8.0 metres)

10.0m at 0.95% Copper (from 70.0 metres)

The goal of this round of metallurgy test work was to obtain drill core samples from different zones of copper mineral species that have been defined. Sequential assay interpretation indicates that blends or mixes of copper mineral species vary laterally and vertically across the deposit, however form broad and substantial spatially consistent zones. The copper mineral species zones defined at BKM include:

   1)   Chalcocite dominant, 
   2)   Chalcocite - covellite dominant, 
   3)   Covellite, bornite and chalcopyrite mixed assemblage and 
   4)   Chalcopyrite dominant. 

The most prevalent copper mineral species zone is chalcocite - covellite dominant, which occurs in both the BK44 and BK58 Zones. The 2017 metallurgy test work programme is being designed to establish the expected Heap-Leach recoverable Cu parameters from the copper mineral species zones that can potentially provide the majority of production for the Feasibility Study Mine Plan.

The areas targeted for a potential high-grade starter pit include the southern area of BK44 Zone and near surface high grade copper mineralisation at BK58 Zone. Drill hole BKM32230-01 (117.5m End of Hole "EOH") tested a broad zone with chalcocite-covellite as the dominant copper species, and this hole returned exceptional results. This hole intersected a broad intersection of strongly silicified volcanic rock from the collar to end of hole, with strong chalcocite and lesser covellite mineralisation (Figure 2). This hole was terminated at 117.5m due to the rig capacity, and the final 9 metres assayed 1.89% Cu. At BK58 Zone, BKM31720-01 (91.0m EOH) intersected strong near surface copper mineralisation, including a 6-metre wide quartz - chalcocite - covellite vein (Figure 2).

The current metallurgical test work programme and continuing optimisation activities are being overseen by David Readett from MWorx, the lead metallurgical consultant for the BKM Feasibility Study. The column leach tests which have been running at CORE laboratories in Brisbane since January 2017 are nearing completion with both the short (2 metre) and long (6 metre) columns currently progressing through the scheduled closure process. Results in relation to the short columns are anticipated in early December and early January for the long columns.

Peter Bird, Asiamet's Chief Executive Officer commented:

"These strong metallurgical drill results validate our previous Resource definition work and hence provide strong encouragement from a future mine planning and execution perspective. For the first three to four years of operation at BKM it is critical to ensure a strong production and cash flow profile for the proposed mining operation. This final phase of metallurgical test work builds upon the results of the previous test work currently being finalised and specifically targets the highest grade, highest solubility and likely highest recovery mineralisation from the BK44 and BK58 zones. The potential to mine and schedule this material early in the mine life is expected to strongly impact project economics and enhance cash flows during the early years of capital payback. The Feasibility Study work continues to advance very well and we look forward to reporting the column leach programme results as they are finalised."

Qualified Person

Data disclosed in this press release have been reviewed and verified by ARS's qualified person, Stephen Hughes, P. Geo, Vice President Exploration of the Company and a Qualified Person within the meaning of NI 43-101 and for the purposes of the AIM Rules.

ON BEHALF OF THE BOARD OF DIRECTORS

Peter Bird, Deputy Chairman and CEO

For further information, please contact:

-Ends-

Peter Bird

Deputy Chairman and CEO, Asiamet Resources Limited

Telephone: +61 43 887 1995

Email: peter.bird@asiametresources.com

Tony Manini

Executive Chairman, Asiamet Resources Limited

Telephone: +61 43 887 1995

Email: tony.manini@asiametresources.com

FlowComms Limited

Sasha Sethi

Telephone: +44 (0) 7891 677 441

Email: Sasha@flowcomms.com

Asiamet Resources Nominated Adviser

RFC Ambrian Limited

Andrew Thomson / Stephen Allen

Telephone: +61 8 9480 2500

Email: Andrew.Thomson@rfcambrian.com / Stephen.Allen@rfcambrian.com

Optiva Securities Limited

Christian Dennis

Telephone: +44 20 3137 1903

Email: Christian.Dennis@optivasecurities.com

This news release contains forward-looking statements that are based on the Company's current expectations and estimates. Forward-looking statements are frequently characterised by words such as "plan", "expect", "project", "intend", "believe", "anticipate", "estimate", "suggest", "indicate" and other similar words or statements that certain events or conditions "may" or "will" occur. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause actual events or results to differ materially from estimated or anticipated events or results implied or expressed in such forward-looking statements. Such factors include, among others: the actual results of current exploration activities; conclusions of economic evaluations; changes in project parameters as plans continue to be refined; possible variations in ore grade or recovery rates; accidents, labour disputes and other risks of the mining industry; delays in obtaining governmental approvals or financing; and fluctuations in metal prices. There may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities laws, the Company disclaims any intent or obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise. Forward-looking statements are not guarantees of future performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein.

This announcement contains inside information as stipulated under the Market Abuse Regulations (EU) no. 596/2014 ("MAR").

Table 1: Recent drill intercepts.

 
     HOLE        End    From     To     Length   Copper 
      ID          of     (m)     (m)      (m)      (%) 
                 Hole 
                 (m) 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10    115.0    5.0     7.0     2.0      0.28 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10            21.0    41.5     20.5     0.47 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10            50.5    71.5     21.0     0.44 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10            73.5    79.5     6.0      0.24 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10            82.5    91.5     9.0      0.28 
-------------  ------  ------  ------  -------  ------- 
 BKM31650-10            95.5    103.5    8.0      0.40 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01    91.0     4.0     7.0     3.0      0.23 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01             9.0    12.0     3.0      1.42 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01            15.0    23.0     8.0      2.15 
-------------  ------  ------  ------  -------  ------- 
  Including             16.0    22.0     6.0      2.73 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01            26.0    32.0     6.0      0.65 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01            38.0    43.0     5.0      0.24 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01            49.0    65.0     16.0     0.66 
-------------  ------  ------  ------  -------  ------- 
 BKM31720-01            69.0    89.0     20.0     0.53 
-------------  ------  ------  ------  -------  ------- 
 BKM31780-01    81.0     4.0    63.0     59.0     0.68 
-------------  ------  ------  ------  -------  ------- 
  Including              5.0    19.0     14.0     0.85 
-------------  ------  ------  ------  -------  ------- 
  Including             39.0    47.0     8.0      1.18 
-------------  ------  ------  ------  -------  ------- 
 BKM31780-01            67.0    69.0     2.0      0.37 
-------------  ------  ------  ------  -------  ------- 
 BKM32080-01    85.0     1.0     5.0     4.0      1.42 
-------------  ------  ------  ------  -------  ------- 
 BKM32080-01            14.0    83.0     69.0     0.48 
-------------  ------  ------  ------  -------  ------- 
  Including             22.0    30.0     8.0      0.77 
-------------  ------  ------  ------  -------  ------- 
  Including             42.0    56.0     14.0     0.70 
-------------  ------  ------  ------  -------  ------- 
  Including             63.0    68.0     5.0      0.66 
-------------  ------  ------  ------  -------  ------- 
 BKM32230-01    117.5    2.0    117.5   115.5     1.01 
-------------  ------  ------  ------  -------  ------- 
  Including             25.0    38.0     13.0     1.81 
-------------  ------  ------  ------  -------  ------- 
  Including             47.0    55.0     8.0      1.97 
-------------  ------  ------  ------  -------  ------- 
  Including             86.0    103.0    17.0     1.24 
-------------  ------  ------  ------  -------  ------- 
  Including             108.5   117.5    9.0      1.89 
-------------  ------  ------  ------  -------  ------- 
 BKM32425-02    40.0     1.7    26.0     24.3     0.82 
-------------  ------  ------  ------  -------  ------- 
  Including              9.0    18.0     9.0      1.42 
-------------  ------  ------  ------  -------  ------- 
 BKM32480-01    71.1            Assays Pending 
-------------  ------  -------------------------------- 
 BKM32485-01    72.6    12.5    15.0     2.5      0.29 
-------------  ------  ------  ------  -------  ------- 
 BKM32485-01            25.0    66.5     41.5     0.74 
-------------  ------  ------  ------  -------  ------- 
  Including             46.0    55.5     9.5      1.84 
-------------  ------  ------  ------  -------  ------- 
 BKM32485-01            70.5    72.6     2.1      0.73 
-------------  ------  ------  ------  -------  ------- 
 BKM32580-01    90.8     5.0    15.0     10.0     1.28 
-------------  ------  ------  ------  -------  ------- 
  Including              8.0    15.0     7.0      1.71 
-------------  ------  ------  ------  -------  ------- 
 BKM32580-01            25.0    35.0     10.0     0.43 
-------------  ------  ------  ------  -------  ------- 
 BKM32580-01            43.0    90.8     47.8     0.51 
-------------  ------  ------  ------  -------  ------- 
  Including             70.0    80.0     10.0     0.95 
-------------  ------  ------  ------  -------  ------- 
 

Notes: Grade intercepts are calculated as a weighted average grade >=0.2% copper (uncut).

True widths are interpreted to be between 80-100% of the reported lengths, unless otherwise stated.

Figure 1: Location map showing strong 2017 metallurgy drill hole collars. To view the graphic, please open the link here http://www.asiametresources.com/i/maps/2017-11-29-figure-1.jpg

Figure 2: (Top) High grade chalcocite - covellite mineralisation in BKM32230-01. The weighted average grade for the interval 114.5 - 117.5 metres is 1.98% Cu. To view the graphic, please open the link here http://www.asiametresources.com/i/maps/2017-11-29-figure-2-top.jpg (Bottom) High grade chalcocite - covellite mineralisation in BKM31720-01. The weighted average grade for the interval 16 - 22 metres is 2.73% Cu. To view the graphic, please open the link here http://www.asiametresources.com/i/maps/2017-11-29-figure-2-bottom.jpg

Glossary of Technical Terms

 
 "anomaly or anomalous"        something in mineral exploration 
                                that geologists interpret 
                                as deviating from what is 
                                standard, normal, or expected. 
----------------------------  ------------------------------------------ 
 "assay"                       The laboratory test conducted 
                                to determine the proportion 
                                of a mineral within a rock 
                                or other material. For copper, 
                                usually reported as percentage 
                                which is equivalent to percentage 
                                of the mineral (i.e. copper) 
                                per tonne of rock. 
----------------------------  ------------------------------------------ 
 "azimuth"                     the "compass direction" refers 
                                to a geographic bearing or 
                                azimuth as measured by a magnetic 
                                compass, in true or magnetic 
                                north. 
----------------------------  ------------------------------------------ 
 "bornite"                     Bornite, also known as peacock 
                                ore, is a copper sulphide 
                                mineral with the formula Cu5FeS4. 
----------------------------  ------------------------------------------ 
 "breccia"                     Breccia is a rock classification, 
                                comprises millimetre to metre-scale 
                                rock fragments cemented together 
                                in a matrix, there are many 
                                sub-classifications of breccias. 
----------------------------  ------------------------------------------ 
 "chalcocite"                  Chalcocite is a copper sulphide 
                                mineral with the formula Cu2S, 
                                and is an important copper 
                                ore mineral. It is opaque 
                                and dark-gray to black with 
                                a metallic luster. 
----------------------------  ------------------------------------------ 
 "chalcopyrite"                Chalcopyrite is a copper sulphide 
                                mineral with formula CuFeS2. 
                                It has a brassy to golden 
                                yellow colour. 
----------------------------  ------------------------------------------ 
 "channel sample"              Samples collected across a 
                                mineralised rock exposure. 
                                The channel is typically orientated 
                                such that samples are collected 
                                perpendicular to the mineralised 
                                structure, if possible. 
----------------------------  ------------------------------------------ 
 "chargeability"               Chargeability is a physical 
                                property related to conductivity. 
                                Chargeability is used to characterise 
                                the formation and strength 
                                of the induced polarisation 
                                within a rock, under the influence 
                                of an electric field, suggesting 
                                sulphide mineralisation at 
                                depth. 
----------------------------  ------------------------------------------ 
 "CIM"                         The reporting standard adopted 
                                for the reporting of the Mineral 
                                Resources is that defined 
                                by the terms and definitions 
                                given in the terminology, 
                                definitions and guidelines 
                                given in the Canadian Institute 
                                of Mining, Metallurgy and 
                                Petroleum (CIM) Standards 
                                on Mineral resources and Mineral 
                                Reserves (December 2005) as 
                                required by NI 43-101. The 
                                CIM Code is an internationally 
                                recognised reporting code 
                                as defined by the Combined 
                                Reserves International Reporting 
                                Standards Committee. 
----------------------------  ------------------------------------------ 
 "covellite"                   Covellite is a copper sulphide 
                                mineral with the formula CuS. 
                                This indigo blue mineral is 
                                ubiquitous in some copper 
                                ores. 
----------------------------  ------------------------------------------ 
 "diamond drilling"            A drilling method in which 
                                penetration is achieved through 
                                abrasive cutting by rotation 
                                of a diamond encrusted drill 
                                bit. This drilling method 
                                enables collection of tubes 
                                of intact rock (core) and 
                                when successful gives the 
                                best possible quality samples 
                                for description, sampling 
                                and analysis of an ore body 
                                or mineralised structure. 
----------------------------  ------------------------------------------ 
 "dip"                         A line directed down the steepest 
                                axis of a planar structure 
                                including a planar ore body 
                                or zone of mineralisation. 
                                The dip has a measurable direction 
                                and inclination from horizontal. 
----------------------------  ------------------------------------------ 
 "g/t"                         grams per tonne; equivalent 
                                to parts per million ('ppm'). 
----------------------------  ------------------------------------------ 
 "galena"                      Galena is the natural mineral 
                                form of lead (II) sulphide, 
                                with formula PbS. It is the 
                                most important ore of lead 
                                and an important source of 
                                silver. It has a silver colour. 
----------------------------  ------------------------------------------ 
 "grab sample"                 are samples of rock material 
                                collected from a small area, 
                                often just a few pieces or 
                                even a single piece of rock 
                                "grabbed" from a face, dump 
                                or outcrop or roughly 2-5kg. 
                                These are common types of 
                                rock samples collected when 
                                conducting mineral exploration. 
                                The sample usually consists 
                                of material that is taken 
                                to be representative of a 
                                specific type of rock or mineralisation. 
----------------------------  ------------------------------------------ 
 "grade"                       The proportion of a mineral 
                                within a rock or other material. 
                                For copper mineralisation 
                                this is usually reported as 
                                % of copper per tonne of rock 
                                (g/t). 
----------------------------  ------------------------------------------ 
 "hypogene"                    Hypogene ore processes occur 
                                deep below the earth's surface, 
                                and form deposits of primary 
                                minerals, such as chalcopyrite 
                                and bornite. 
----------------------------  ------------------------------------------ 
 "Indicated Resource"          An "Indicated Mineral Resource" 
                                is that part of a Mineral 
                                Resource for which quantity, 
                                grade or quality, densities, 
                                shape and physical characteristics, 
                                can be estimated with a level 
                                of confidence sufficient to 
                                allow the appropriate application 
                                of technical and economic 
                                parameters, to support mine 
                                planning and evaluation of 
                                the economic viability of 
                                the deposit. The estimate 
                                is based on detailed and reliable 
                                exploration and testing information 
                                gathered through appropriate 
                                techniques from locations 
                                such as outcrops, trenches, 
                                pits, workings and drill holes 
                                that are spaced closely enough 
                                for geological and grade continuity 
                                to be reasonably assumed. 
----------------------------  ------------------------------------------ 
 "Induced Polarisation         Induced polarisation (IP) 
  Geophysics"                   is a geophysical survey used 
                                to identify the electrical 
                                chargeability of subsurface 
                                materials, such as sulphides. 
                                The survey involves an electric 
                                current that is transmitted 
                                into the subsurface through 
                                two electrodes, and voltage 
                                is monitored through two other 
                                electrodes. 
----------------------------  ------------------------------------------ 
 "Inferred Resource"           An "Inferred Mineral Resource" 
                                is that part of a Mineral 
                                Resource for which quantity 
                                and grade or quality can be 
                                estimated on the basis of 
                                geological evidence and limited 
                                sampling and reasonably assumed, 
                                but not verified, geological 
                                and grade continuity. The 
                                estimate is based on limited 
                                information and sampling gathered 
                                through appropriate techniques 
                                from locations such as outcrops, 
                                trenches, pits, workings and 
                                drill holes. 
----------------------------  ------------------------------------------ 
 "Intercept"                   Refers to a sample or sequence 
                                of samples taken across the 
                                entire width or an ore body 
                                or mineralised zone. The intercept 
                                is described by the entire 
                                thickness and the average 
                                grade of mineralisation. 
----------------------------  ------------------------------------------ 
 "lbs"                         Pounds (measure of weight) 
----------------------------  ------------------------------------------ 
 "massive"                     In a geological sense, refers 
                                to a zone of mineralisation 
                                that is dominated by sulphide 
                                minerals. The sulphide-mineral-rich 
                                material can occur in centimetre-scale, 
                                meter-scale or in tens of 
                                meters wide veins, lenses 
                                or sheet-like bodies containing 
                                sphalerite, galena, and / 
                                or chalcopyrite etc. 
----------------------------  ------------------------------------------ 
 "Measured Resource"           A "Measured Mineral Resource" 
                                is that part of a Mineral 
                                Resource for which quantity, 
                                grade or quality, densities, 
                                shape, and physical characteristics 
                                are so well established that 
                                they can be estimated with 
                                confidence sufficient to allow 
                                the appropriate application 
                                of technical and economic 
                                parameters, to support production 
                                planning and evaluation of 
                                the economic viability of 
                                the deposit. The estimate 
                                is based on detailed and reliable 
                                exploration, sampling and 
                                testing information gathered 
                                through appropriate techniques 
                                from locations such as outcrops, 
                                trenches, pits, workings and 
                                drill holes that are spaced 
                                closely enough to confirm 
                                both geological and grade 
                                continuity. 
----------------------------  ------------------------------------------ 
 "Mineral Resource"            A "Mineral Resource" is a 
                                concentration or occurrence 
                                of diamonds, natural solid 
                                inorganic material, or natural 
                                solid fossilised organic material 
                                including base and precious 
                                metals, coal, and industrial 
                                minerals in or on the Earth's 
                                crust in such form and quantity 
                                and of such a grade or quality 
                                that it has reasonable prospects 
                                for economic extraction. The 
                                location, quantity, grade, 
                                geological characteristics 
                                and continuity of a Mineral 
                                Resource are known, estimated 
                                or interpreted from specific 
                                geological evidence and knowledge. 
----------------------------  ------------------------------------------ 
 "Mineralisation"              In geology, mineralisation 
                                is the deposition of economically 
                                important metals (copper, 
                                gold, lead, zin etc) that 
                                in some cases can be in sufficient 
                                quantity to form mineral ore 
                                bodies. 
----------------------------  ------------------------------------------ 
 "mlbs"                        Million pounds (measure of 
                                weight) 
----------------------------  ------------------------------------------ 
 "open pit mining"             A method of extracting minerals 
                                from the earth by excavating 
                                downwards from the surface 
                                such that the ore is extracted 
                                in the open air (as opposed 
                                to underground mining). 
----------------------------  ------------------------------------------ 
 "outcrop"                     A section of a rock formation 
                                or mineral vein that appears 
                                at the surface of the earth. 
                                Geologists take direct observations 
                                and samples from outcrops, 
                                used in geologic analysis 
                                and creating geologic maps. 
                                In situ (in place) measurements 
                                are critical for proper analysis 
                                of the geology and mineralisation 
                                of the area under investigation. 
----------------------------  ------------------------------------------ 
 "polymetallic"                Three or more metals that 
                                may occur in magmatic, volcanogenic, 
                                or hydrothermal environments; 
                                common base and precious metals 
                                include copper, lead, zinc, 
                                silver and gold. 
----------------------------  ------------------------------------------ 
 "polymict"                    A geology term, often applied 
                                to breccias or conglomerates, 
                                which identifies the composition 
                                as consisting of fragments 
                                of several different rock 
                                types. 
----------------------------  ------------------------------------------ 
 "Preliminary Economic         NI 43-101 defines a PEA as 
  Assessment"                   "a study, other than a pre-feasibility 
                                study or feasibility study, 
                                which includes an economic 
                                analysis of the potential 
                                viability of mineral resources". 
----------------------------  ------------------------------------------ 
 "sediments"                   Sedimentary rocks formed by 
                                the accumulation of sediments. 
                                There are three types, Clastic, 
                                Chemical and Organic sedimentary 
                                rocks. 
----------------------------  ------------------------------------------ 
 "sequential assays"           Sequential copper analysis 
                                is a technique to semi-quantitatively 
                                define the zonations associated 
                                with some copper deposits. 
                                The method is based on the 
                                partial dissolution behaviour 
                                displayed by the prevalent 
                                copper minerals to solutions 
                                containing sulphuric acid 
                                and sodium cyanide. Results 
                                from sequential analyses can 
                                theoretically determine the 
                                amounts of leachable oxide 
                                minerals, leachable secondary 
                                sulphide minerals, and primary 
                                copper minerals, respectively. 
----------------------------  ------------------------------------------ 
 "sphalerite"                  Sphalerite is a zinc sulphide 
                                in crystalline form but almost 
                                always contains variable iron, 
                                with formula (Zn,Fe)S. It 
                                can have a yellowish to honey 
                                brown or black colour. 
----------------------------  ------------------------------------------ 
 "supergene"                   Supergene ore processes occur 
                                near surface, and form deposits 
                                of secondary minerals, such 
                                as malachite, azurite, chalcocite, 
                                covellite, digenite, etc. 
----------------------------  ------------------------------------------ 
 "surface rock chip samples"   Rock chip samples approximately 
                                2kg in size that are typically 
                                collected from surface outcrops 
                                exposed along rivers and mountain 
                                ridgelines. 
----------------------------  ------------------------------------------ 
 "veins"                       A vein is a sheet-like or 
                                anastomosing fracture that 
                                has been infilled with mineral 
                                ore (chalcopyrite, covellite 
                                etc) or mineral gangue (quartz, 
                                calcite etc) material, within 
                                a rock. Veins form when minerals 
                                carried by an aqueous solution 
                                within the rock mass are deposited 
                                through precipitation and 
                                infill or coat the fracture 
                                faces. 
----------------------------  ------------------------------------------ 
 "volcanics"                   Volcanic rock such as andesite 
                                or basalt that is formed from 
                                magma erupted from a volcano, 
                                or hot clastic material that 
                                erupts from a volcano and 
                                is deposited as volcaniclastic 
                                or pyroclastics. 
----------------------------  ------------------------------------------ 
 

This information is provided by RNS

The company news service from the London Stock Exchange

END

DRLLIFLRLELAFID

(END) Dow Jones Newswires

November 29, 2017 02:01 ET (07:01 GMT)

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