VANCOUVER, March 11, 2013 /CNW/ - Focus Ventures Ltd.
(TSX-V: FCV) is pleased to announce assay results from the
re-sampling of historical drill cores at its Aurora Cu-Mo project
located in the Department of Cuzco, southeastern Peru.
Thirteen holes drilled in 1999 and 2005 cut
significant intervals of copper and molybdenum mineralization,
including 244m @ 0.48% Cu, 0.007% Mo in DDA-1, 142m @ 0.5% Cu,
0.004% Mo in DDA-3, and 71.7m @ 0.7% Cu, 0.007% Mo in DDA-3A (see
Focus news release July 11,
2012).
Selected intervals of mineralized half-core from
drill holes DDA-1and DDA-3A were re-assayed to determine levels of
other elements such as silver and gold, and confirm the reliability
of the historical drill assays. Only assay data for copper and
molybdenum is available in the historical drilling results. A total
of 47.26m were sampled (34 samples).
The following table shows the new assay results
for selected intervals compared with the historical assays*.
|
|
|
|
|
|
|
Historical Weighted
Average Grades |
Re-assayed Core
Weighted Average Grades |
From m |
To m |
Interval m |
Cu % |
Mo ppm |
Ag g/t |
From m |
To m |
Interval m |
Cu % |
Mo ppm |
Ag g/t |
Hole DDA-1 |
|
270.0 |
280.0 |
10.0 |
1.02 |
70 |
n/a |
270.5 |
279.5 |
9.0 |
0.71 |
73 |
3.4 |
284.0 |
290.0 |
6.0 |
0.99 |
54 |
n/a |
284.1 |
290.3 |
6.2 |
0.77 |
46 |
4.7 |
Hole DDA-3A
|
|
|
364.0 |
384.0 |
20.0 |
0.89 |
167.2 |
n/a |
365.2 |
384.0 |
18.8 |
0.77 |
168 |
4.0 |
226.0 |
230.0 |
4.0 |
0.94 |
20 |
n/a |
226.3 |
230.8 |
4.5 |
0.62 |
12 |
2.8 |
236.0 |
244.0 |
8.0 |
0.96 |
63 |
n/a |
235.3 |
244.0 |
8.7 |
1.11 |
68 |
4.9 |
* Due to factors including the slight difference in individual
lengths of the historic and new sampled intervals, sample size
(quarter core in the new assays compared to half core in the
historical assays) and any analytical bias due to the possibly of
different methods used in the historical sampling, the results
should be used only as a general comparison. |
Sulphide mineralization is as veinlet and
disseminated chalcopyrite, chalcocite and molybdenite, with quartz
and pyrite. The re-assayed intervals confirm the copper and
molybdenum grades in the historical drilling and give confidence in
the data assays. Importantly, the new results show that silver
content is significant, averaging around 4 g/t Ag in the cores
sampled. Gold assayed from trace up to 0.24 g/t however values are
generally less than 0.01 g/t. All individual sample results
(total 35 samples) are available on the Focus website at
www.focusventuresltd.com.
Background
The Aurora porphyry copper-molybdenum property
is located approximately 65 km north of the city of Cusco, between
2,600 - 2,900m above sea level. Access to the property from Cusco
takes between 2.5 and 3 hours, most of the journey on asphalt and
graded gravel roads.
The presence of porphyry mineralization at
Aurora was confirmed by two small drill programs undertaken by
different companies in 2001 and 2005. Thirteen holes (3,900m)
drilled over an area approximately 1,000m by 800m cut intervals of
copper and molybdenum mineralization associated with a variety of
quartz feldspar porphyritic intrusions that are partly capped or
concealed by slates of the Ordovician (439 - 463 ma) Sandia
Formation. The system has been partially unroofed along a narrow
northeast-southwest trending ridge with slate cover rocks preserved
to the west, south and east.
Results of a recent geophysical survey support
Focus's interpretation that the Aurora mineralizing system extends
well beyond the limits of the historical drilling and may contain a
large porphyry copper molybdenum deposit, requiring comprehensive
drilling for definition of resources. Environmental studies and
permitting for a drill program have commenced.
Additional information including sections and
plans are available on the Company website
www.focusventuresltd.com.
Sampling Quality Analysis and Quality
Control
Half core was split using a diamond core
splitter and bagged, security-sealed and transported by Focus
personnel to ALS Chemex laboratories in Lima. Silver, copper and molybdenum were
determined by multi-acid digestion and ICP-AES. Gold was assayed by
Atomic Adsorption Spectrometry. ALS Chemex's quality control system
complies with International Standards ISO 9001:2000 and ISO
17025:2005. Analytical accuracy and precision are monitored
by the analysis of reagent blanks, reference material and replicate
samples. Quality control is further assured by Focus's own
QA/QC program which involves the insertion by Focus personnel of
blind certified standards and blanks into the sample stream at
regular intervals in order to independently assess analytical
precision and accuracy of each batch of samples as they are
received from the laboratory.
The historical drill assays quoted in this press
release were undertaken by Vena Resources and have not been
independently verified by Focus, however the sampling and assaying
are considered to have been undertaken using standard industry
practice and QA/QC procedures. Most of the drill cores were lost in
years prior to the acquisition of the project by Focus, however
half core samples from drill holes DDA-1, DDA-3 and DDA-3A
remain.
Qualified Person
Mr. David Cass,
Focus's President, is a member of the Association of Professional
Engineers and Geoscientists of British
Columbia, and a "Qualified Person" in accordance with NI
43-101. Mr. Cass has reviewed and approved the technical
information in this release.
About Focus Ventures
Focus Ventures is developing a diversified
portfolio of quality silver, gold, copper and phosphate properties
in Peru, Mexico and Colombia. Backed by an experienced
technical team of geologists and consultants, Focus's strategy is
to identify and acquire former producing mines or untested gold and
silver and base metal properties that show potential to become new
mines. For further information, please call 604-688-5288 or visit
our web site www.focusventuresltd.com.
ON BEHALF OF THE BOARD
"David Cass"
David Cass, President
Symbol: TSXV-FCV
Shares Issued: 40.1-million
Neither the TSX Venture Exchange nor the
Investment Industry Regulatory Organization of Canada accepts responsibility for the adequacy
or accuracy of this release.
Forward-Looking Statement
Some of the statements in this news release contain
forward-looking information that involves inherent risk and
uncertainty affecting the business of Focus Ventures Ltd.
Actual results may differ materially from those currently
anticipated in such statement.
SOURCE Focus Ventures Ltd.