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ASO Avesoro Resources Inc.

99.50
0.00 (0.00%)
28 Mar 2024 - Closed
Delayed by 15 minutes
Share Name Share Symbol Market Type Share ISIN Share Description
Avesoro Resources Inc. LSE:ASO London Ordinary Share CA05366A3029 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% 99.50 97.00 102.00 0.00 00:00:00
Industry Sector Turnover Profit EPS - Basic PE Ratio Market Cap
0 0 N/A 0

Aureus Mining Inc. Metallurgical Testing at -2-

28/01/2015 7:00am

UK Regulatory


-- Leach residue values were all within an acceptable range of 0.08 - 0.15 g/t Au. These returned total extractions ranging from 91.0% to 95.8%

   --     Cyanide consumptions ranged between 0.26 and 0.40 kg/t. 
   --     Lime consumptions varied from 0.73 to 1.51 kg/t. 

Table 4: Summary of testwork results

 
 Sample    Grind size   Head grade   Leach residue   Total    NaCN consumption 
                                         grade        extr. 
              P(80)      (g/t Au)       (g/t Au)       (%)         (kg/t) 
--------  -----------  -----------  --------------  -------  ----------------- 
                                                     91.0 - 
   LG         75mm         1.40       0.11 - 0.14     92.4          0.27 
--------  -----------  -----------  --------------  -------  ----------------- 
                                                     91.0 -        0.40 - 
   MG         75mm         1.83       0.08 - 0.18     95.8          0.66 
--------  -----------  -----------  --------------  -------  ----------------- 
                                                     93.7 -        0.38 - 
   HG         75mm         2.70       0.12 - 0.17     95.8          0.56 
--------  -----------  -----------  --------------  -------  ----------------- 
                                                     96.3 -        0.25 - 
   OX         75mm         0.82          0.03         97.0          0.75 
--------  -----------  -----------  --------------  -------  ----------------- 
 

Comminution

-- The Bond Rod Work index (BRW(i) ) was conducted on a -12.7mm feed sample and returned a value of 13 kWh/t;

-- The Bond Ball Work index (BBW(i) ) was conducted targeting a P(80) of 75mm on -3.35mm feed material and returned a value of 18.5 kWh/t;

-- The bond abrasion index (BA(i) ) for the sample was determined as 0.1338 and the material is considered to have relatively low abrasiveness.

Technical Glossary

 
 Au                           Gold 
---------------------------  ----------------------------------------------------------------------------------------- 
 Carbon in Leach              A recovery process during which a slurry of gold ore, carbon and cyanide are mixed 
                              together. 
                              The cyanide dissolves the gold content and the gold is absorbed on the carbon; the 
                              carbon 
                              is subsequently separated from the slurry for further gold removal. 
---------------------------  ----------------------------------------------------------------------------------------- 
 Comminution                  The process by which ore is reduced in size in order to liberate the desired mineral 
                              from 
                              the gangue material in preparation for further processing 
---------------------------  ----------------------------------------------------------------------------------------- 
 Concentrate                  The metal-rich product resulting from a mineral enrichment process such as gravity 
                              concentration 
                              or flotation, in which most of the desired mineral has been separated from the waste 
                              material 
                              in the ore 
---------------------------  ----------------------------------------------------------------------------------------- 
 Flotation                    The process by which the surface chemistry of the desired mineral particles is 
                              chemically 
                              modified such that they preferentially attach themselves to bubbles and float to the 
                              pulp 
                              surface in specially designed machines. The gangue or waste minerals are chemically 
                              depressed 
                              and do not float, thus allowing the valuable minerals to be concentrated and separated 
                              from 
                              the undesired material 
---------------------------  ----------------------------------------------------------------------------------------- 
 Grade                        The proportion of a mineral within a rock or other material. For gold mineralisation 
                              this 
                              is usually reported as grams of gold per tonne of rock (g/t) 
---------------------------  ----------------------------------------------------------------------------------------- 
 g/t                          grams per tonne 
---------------------------  ----------------------------------------------------------------------------------------- 
 Head Grade                   The grade of the ore 
---------------------------  ----------------------------------------------------------------------------------------- 
 Inferred Mineral Resource    That part of a mineral resource for which tonnage, grade and mineral content can be 
                              estimated 
                              with a low level of confidence. It is inferred from geological evidence and assumed but 
                              not 
                              verified geological and/or grade continuity. It is based on information gathered through 
                              appropriate 
                              techniques from locations such as outcrops, trenches, pits, workings and drill holes 
                              that 
                              may be limited, or of uncertain quality and reliability 
---------------------------  ----------------------------------------------------------------------------------------- 
 Indicated Mineral Resource   That part of a mineral resource for which tonnage, densities, shape, physical 
                              characteristics, 
                              grade and mineral content can be estimated with a reasonable level of confidence. It is 
                              based 
                              on exploration, sampling and testing information gathered through appropriate techniques 
                              from 
                              locations such as outcrops, trenches, pits, workings and drill holes. The locations are 
                              too 
                              widely or inappropriately spaced to confirm geological and/or grade continuity but are 
                              spaced 
                              closely enough for continuity to be assumed 
---------------------------  ----------------------------------------------------------------------------------------- 
 koz                          Thousand troy ounces 
---------------------------  ----------------------------------------------------------------------------------------- 
 Km                           Kilometre 
---------------------------  ----------------------------------------------------------------------------------------- 
 kt                           Thousand tonnes 
---------------------------  ----------------------------------------------------------------------------------------- 
 ktpa                         Thousand tonnes per annum 
---------------------------  ----------------------------------------------------------------------------------------- 
 m                            metre 
---------------------------  ----------------------------------------------------------------------------------------- 
 Mtpa                         Million tonnes per annum 
---------------------------  ----------------------------------------------------------------------------------------- 
 Mineral Resource             A concentration or occurrence of material of economic interest in or on the Earth's 
                              crust 
                              in such a form, quality, and quantity that there are reasonable and realistic prospects 
                              for 
                              eventual economic extraction. The location, quantity, grade, continuity and other 
                              geological 
                              characteristics of a Mineral Resource are known, estimated from specific geological 
                              knowledge, 
                              or interpreted from a well constrained and portrayed geological model 
---------------------------  ----------------------------------------------------------------------------------------- 
 Moz                          Million troy ounces 
---------------------------  ----------------------------------------------------------------------------------------- 
 oz                           Troy ounce, equivalent to 31.103477 grams 
---------------------------  ----------------------------------------------------------------------------------------- 
 Preg Robbing                 A characteristic of gold-bearing ore denoting the presence of organic carbon matter 
                              which 
                              may lead to lower recovery in conventional cyanide leaching. Lower recovery is due to 
                              losses 
                              of gold absorbed into the organic carbon instead of absorbing into man-made carbon 
                              introduced 
                              to the slurry in CIL 
---------------------------  ----------------------------------------------------------------------------------------- 
 Recovery                     A term used in to indicate the proportion of material obtained in the processing of an 
                              ore. 
                              It is generally stated as a percentage of valuable metal in the ore that is recovered 
                              compared 
                              to the total valuable metal present in the ore 
---------------------------  ----------------------------------------------------------------------------------------- 

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