Maiden Inferred Resource of 3800 Tonnes Copper and 1700 Tonnes Cobalt for Luisha South Stockpile, Luisha South Project, Katanga
14 Giugno 2011 - 12:57AM
PR Newswire (Canada)
VANCOUVER, June 13, 2011 /CNW/ -- Trading Symbols TSXV: AFR
Frankfurt: OWW VANCOUVER, June 13, 2011 /CNW/ - African Metals
Corporation ("AFR") is pleased to provide initial figures for
resources estimated by Geosure Exploration & Mining Solutions
Pty Ltd, independent geological consultants, for its Luisha South
Stockpile in the Democratic Republic of the Congo. The resource as
estimated includes: An Inferred 370,000 tonnes at 1.0% Cu for 3,800
tonnes of contained copper metal and 0.5% Co for 1,700 tonnes of
contained cobalt metal. (Note: tonnage figures rounded to the
nearest 1,000). Resource modelling was also completed at various
cut off grades as presented in Table One below and includes a
higher grade Inferred resource of some 130,000 tonnes at 2% Cu and
0.4% Co for 2,700 tonnes of contained copper metal and 300 tonnes
of contained cobalt metal.
__________________________________________________________________
| Cut Off |Tonnes |Grade Copper|Grade Cobalt|Contained |Contained |
|(Copper %)|(000's)| (%) | (%) | Copper | Cobalt | | | | | |
(tonnes) | (tonnes) |
|__________|_______|____________|____________|__________|__________|
| 0.25 | 370 | 1.0 | 0.5 | 3,800 | 1,700 |
|__________|_______|____________|____________|__________|__________|
| 0.75 | 240 | 1.4 | 0.5 | 3,400 | 1,100 |
|__________|_______|____________|____________|__________|__________|
| 1.50 | 130 | 2.0 | 0.4 | 2,700 | 500 |
|__________|_______|____________|____________|__________|__________|
| 2.00 | 60 | 2.8 | 0.6 | 1,600 | 300 |
|__________|_______|____________|____________|__________|__________|
Table 1: Resource Modelling results based on various copper cut-off
grades. The resources stated above are acid soluble and have been
targeted by AFR to be brought into production through conventional
hydrometallurgical processes. Licence renewal The Company is also
pleased to report the successful renewal of the Small Scale Mining
Permit for the Luisha Project until 21(st) March 2016. The permit
renewal will enable AFR to pursue its goal of bringing the Luisha
Project into production. Nigel Ferguson, CEO and President of
African Metals Corp, commented: "The Company is very pleased with
this maiden resource estimate, which is expected to continue to
grow in the coming months through an updated hard rock resource
estimate based on recently completed diamond drilling program.
Management expects further increases in the total contained metal
content estimated for the Luisha South Project. Concurrently the
Company will continue surface drilling to seek extensional
mineralisation outside the current resource area." Nigel Ferguson
also commented "Recent successful treatment of the oxide stockpile
material will allow the Company to further investigate the
possibility of placing the stockpile into production before the end
of the Calendar year. It is an exciting time in the staged
development of the company and the Luisha Project." MINERAL
RESOURCE MODEL Magnum Drilling Sprl completed a 383 meter reverse
circulation (RC) drilling program at the Luisha South Project in
October 2010. Forty two vertical holes (SPRC001 to SPRC042) were
drilled at approximately 40m centers on the top of the Stockpile,
located adjacent to the Luisa South open pit. Holes were terminated
after penetrating 2m into the soil beneath the Stockpile. Drill
samples were collected from all holes at one meter intervals, and
riffle split to produce approximately one kilogram sub-samples for
analysis. A total of 418 samples including QC samples were
dispatched to ALS Chemex Minerals Laboratory in Johannesburg, South
Africa for sample processing and analysis. The samples were
analyzed by multi-element ICP analysis for Cu and Co content after
a 4 acid digest (method ME-ICP61) An independent resource
consultant, Geosure Exploration & Mining Solutions Pty Ltd,
visited the project between the 14th and 16th May as part of the
due diligence requirements for resource estimation for the Luisha
South Stockpile. All data was made available to the consultant in
order for the resource to be estimated. Mineral Resource
Classification The Luisha South Mineral Resource Estimate has been
prepared by Mr. Michael Montgomery, Director of Geosure Exploration
& Mining Solutions Pty Ltd. Mr. Montgomery has sufficient
experience which is relevant to the style of mineralization under
consideration and to the activity which he is undertaking to
qualify as a Competent Person as defined the by NI 43-101
standards. The resource is currently being reviewed by AFR
personnel and will be submitted to the TSX Venture Exchange in
order to meet their pre-filing guidelines for resource disclosures.
A NI 43-101 compliant technical report documenting the resource
estimate will be filed on SEDAR within 45 days of the date of this
news release. Geosure have classified the Mineral Resource into the
Inferred category. Bulk Density Measurements ALS Chemex Laboratory
in Johannesburg, South Africa as well as undertaking all analytical
work for the RC drill samples also provided all bulk density data
based on work completed on a suite of 332 samples taken from RC
drill chips. A bulk density of 2.84 g/cm(3) was utilized for the
resource model, representing a simple average of these ALS density
results. Mineralisation Modelling Geosure Pty Ltd of Brisbane,
Australia was contracted to undertake the resource estimations. The
Luisha South deposit was modelled using Surpac 6.1.1 software. A
digital terrain model was supplied to Geosure for topography.
Domains as such were not generated for the stockpile, given the
heterogeneous nature of a stockpile. Geostatistical analysis on the
sample populations showed no apparent mixed populations and there
are no outliers of significance. A 3 dimensional block model was
constructed using Surpac Mining Software. The block model was
constructed with a parent cell size of 25mN by 25mE and 5mRL. These
cells were further sub-blocked to 6.25mN by 6.25mE and 1.25mRL. All
relevant attributes were coded into the block model. The block
model was validated in detail using Surpac. The following
validation checks were performed: -- DTM and block model volume
comparisons. -- Visual validation of block model attributes in
plan, section and 3 dimensions. -- Individual block audits. No
errors were detected as part of the validation process and as a
result the block model is considered robust. Grade estimation was
performed using inverse distance methodologies in Surpac mining
software. Grade estimates were constrained to within the stockpile
DTM. Grade estimation parameters were derived from several trials
and included comparing block estimates to mean composite drill
grade. The comparison of the composite mean grade and the average
block model grades showed a good reproduction. Estimation data was
recorded for each estimation pass and recorded as part of the block
model. Geological domains were considered as hard boundaries.
Geosure have classified the Mineral Resource into the Inferred
category. Nigel Ferguson, AusIMM, President and CEO of the Company
and a qualified person under National Instrument 43-101, has
verified data disclosed in this release. ON BEHALF OF THE BOARD OF
DIRECTORS OF AFRICAN METALS CORPORATION "Nigel Ferguson" Nigel
Ferguson President & CEO NEITHER THE TSX VENTURE EXCHANGE
NOR ITS REGULATION SERVICES PROVIDER (AS THAT TERM IS DEFINED IN
THE POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS RESPONSIBILITY
FOR THE ADEQUACY OR ACCURACY OF THIS NEW RELEASE. This News Release
contains forward-looking statements. Forward-looking
statements are statements which relate to future events.
These statements are only predictions and involve known and unknown
risks, uncertainties and other factors that may cause our or our
industry's actual results, levels of activity, performance or
achievements to be materially different from any future results,
levels of activity, performance or achievements expressed or
implied by these forward-looking statements. While these
forward-looking statements, and any assumptions upon which they are
based, are made in good faith and reflect our current judgment
regarding the direction of our industry, actual results will almost
always vary, sometimes materially, from any estimates, predictions,
projections, assumptions or other future performance suggested
herein. Except as required by applicable law, the Company does not
intend to update any of the forward-looking statements to conform
these statements to actual results. About African Metals
Corporation. African Metals Corporation [TSXV "AFR"] is a Canadian
listed company focused on the discovery and development of Copper
and Cobalt deposits in the highly mineralized Katanga Copper
Belt of the world renowned Africa Copper Belt in the Democratic
Republic of Congo ("DRC"). AFR purchased all the assets of
Chevalier Resources Inc. in March 2010 including a 57% interest in
the Luisha South Project contained within licence PEPM 4881,
Katanga Provence, Democratic Republic of the Congo ("DRC") through
subsidiaries incorporated in the DRC. In July AFR negotiated a
further 18% interest in the project with the option to increase the
equity interest to 90% based on results. The project is located 75
kilometres northwest of Lubumbashi, the capital of Katanga Province
and consists of approximately 16.2km². The Luisha South Project
includes a small historical open pit mine and associated stockpile
and is underlain by Roan Group sediments which host major Cu-Co
deposits in the DRC. The Luishia South orebody was explored between
1923 and 1928 and an oxide deposit with an estimated pre-production
tonnage of approximately 350,000 tonnes at 8.6% Cu was delineated.
The Luisha Project also covers some three kilometres of the Roan
Group strike length which is favorable for Cu-Co mineralization.
AFR is currently conducting metallurgical tests on stockpile
Reverse Circulation drill samples to determine characteristics and
gravity separation qualities, with the aim of commencing production
of an oxide concentrate by the end of Q3 2011. To
view this news release in HTML formatting, please use the following
URL:
http://www.newswire.ca/en/releases/archive/June2011/13/c5581.html p
Jag Sandhu, Corporate Developmentbr/ 604-306-1950 /p
Copyright
Grafico Azioni Nuventure Resources (TSXV:AFR)
Storico
Da Feb 2025 a Mar 2025
Grafico Azioni Nuventure Resources (TSXV:AFR)
Storico
Da Mar 2024 a Mar 2025