African Consolidated Resources Plc ("ACR" or "the Company")
Technical Update, 1 December 2009
African Consolidated Resources Plc is pleased to announce a detailed
technical update in respect of further work carried out since ACR's
last technical report of 23 February 2009 at the Company's
Pickstone-Peerless gold project, Gadzema Belt gold exploration,
Chrishanya phosphate project and Cedric copper project. This
technical update, including maps and technical diagrams, will be
available to download from the Company's website: www.acrplc.com
Work since the publication of the Company's last technical report has
focussed on progressing the Peerless Sulphide dumps and oxide pit
further towards production, on RAB drilling and improved
understanding of gold mineralisation models in the Gadzema belt, and
on delineation of the Chishanya rock phosphate deposit. Surface
mapping and pitting has also defined drill targets at the Cedric
copper project.
Pickstone-Peerless Gold Project
In parallel with the engineering development of the Peerless sulphide
dump treatment project, shallow infill RC drilling was carried out
on the oxide cap over the historic Peerless mine to obtain bulk
samples for metallurgical and grind index testing, and to improve
confidence in the oxide JORC Resource.
Previous work on the Peerless oxide cap has shown good gold
recoveries (85-96%), and 2004 estimates by SRK consultants reported a
JORC Resource of 56,000 oz Au at 2.5 g/t (comprising 25,600 oz at 3.7
g/t Inferred, and 30,400 oz at 2.0 g/t Indicated) within the Peerless
oxide zone. ACR completed 18 RC holes in September 2009, totalling
826m, infilling existing drill lines on generally 30m linespacing.
All recent drill assays are now to hand and orebody modelling by
independent consultants incorporating the new assays will commence
immediately.
Due to the relatively permeable host rock, the oxide zone was
observed to be well developed to between 30m and 40m depth in most
cases. Extractive test work will also be carried out on the
transitional ore beneath the oxide cap to determine recoveries at
deeper levels.
Significant intercepts* from the September '09 drilling include;
+--------------------------------------------------------------------------+
| | | | | | Depth |
|-----------+--------+---------+-------+-----------+-----------------------|
| Hole ID | E UTM | N UTM | Grade | Thickness | From (m | To (m |
| | | | (g/t) | (m) | downhole) | downhole) |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC 100 | 204215 | 7975607 | 4.12 | 37 | 7 | 44 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC 96 | 203976 | 7975599 | 2.9 | 24 | 12 | 36 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| Including | | | 4.4 | 14 | 12 | 26 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC99 | 204773 | 7975609 | 1.8 | 16 | 30 | 46 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC98 | 204034 | 7975614 | 10.8 | 12 | 34 | 46 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC97 | 204006 | 7975614 | 2.3 | 11 | 29 | 40 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC95 | 203910 | 7975595 | 4.4 | 9 | 23 | 32 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC91 | 203801 | 7975585 | 5.8 | 5 | 19 | 24 |
|-----------+--------+---------+-------+-----------+-----------+-----------|
| PERC90 | 203770 | 7975575 | 2.0 | 6 | 7 | 13 |
+--------------------------------------------------------------------------+
* Intercepts calculated at 0.5 g/t lower cutoff, no top cut, and
include up to 2m of internal waste.
Assays are by Fire Assay method (Antech Laboratories) at 1 metre
intervals, with 10% ISO-accredited standards inserted for QAQC.
As expected, thick oxide intercepts were encountered in the "Big Pit"
zone in the centre of the trend, where the steeply dipping primary
lodes are particularly well developed. In general the drilling
confirmed earlier mineralisation models.
As announced on 4 November 2009, ACR has concluded a contract with
subsidiaries of TWP Holdings Limited ('TWP') for the production of
gold from its sulphide concentrate dump at Pickstone. As previously
reported, the sulphide concentrate dump contains an estimated
resource of 28,300oz Au (200,000 tonnes at 4.4g/t). Production is
planned to commence in April or May 2010 and achieve full production
in June 2010, with a throughput of 20,000 tonnes per month. On the
basis of a targeted recovery rate of 73% and allowing for further
possible processing losses of up to 10%, targeted production is
estimated to be approximately 1,815oz per month.
Gadzema Belt Gold exploration
Exploration since the publication of the Company's last technical
report has focussed on the 5 km strike length of claims between the
Giant Mine and the highly encouraging stockwork mineralisation
discovered at the Blue Rock prospect last year.
ACR has carried out detailed mapping using high-resolution airborne
aeromagnetics and radiometrics flown late last year. The radiometrics
in particular have proved extremely useful in mapping the felsic
intrusive rocks that host the wide stockwork mineralisation
discovered at Blue Rock. This improved geological understanding has
allowed accurate RAB drill testing of the felsic units to be
undertaken in the last [three months].
A total of 161 RAB drillholes totalling approx 2400m were completed
in the period. Best results were along a parallel structural trend
about 1 km NNE of Blue Rock. Significant intercepts include;
+-------------------------------------------------------------------+
| | | | Depth |
|---------+-----------+--------------+------------------------------|
| Hole ID | Grade | Thickness | From (m | To (m |
| | (g/t) | (m) | downhole) | downhole) |
|---------+-----------+--------------+---------------+--------------|
| BRRA | 3.4 | 12 | 3 | 15 |
| 342 | | | | |
|---------+-----------+--------------+---------------+--------------|
| BRRA | 5.8 | 9 | Surface | 9 |
| 343 | | | | |
|---------+-----------+--------------+---------------+--------------|
| BRRA | 1.3 | 9 | 3 | 12 |
| 345 | | | | |
+-------------------------------------------------------------------+
* Intercepts calculated at 0.5 g/t lower cutoff, no top cut, and
include up to 3m of interna
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