#Colombian
#Gold #Stock O2Gold Inc. (TSXV: $OTGO.V) News:
NEW GROUND GEOPHYSICS RESULTS EXTEND THE PROJECTED VEIN MINERALIZATION
OF AURORA-QUINTANILLO ALMOST 4 KM ALONG STRIKE; @otgo_v
Toronto, Ontario, August 31, 2021 (Investorideas.com Newswire) - O2Gold Inc. (“O2Gold” or the “Company”) (TSXV:OTGO) is pleased to announce the results of the geophysical survey in the Aparecida brownfield.
Read this news,
featuring OTGO in full at https://www.investorideas.com/CO/OTGO/news/2021/08311New-Ground-Geophysics-Results.asp
Key Highlights
- The ground
geophysical survey allowed the interpretation of one zone of 650 x 500
meters in area with an anastomosed vein pattern, which had already been
identified in surface mapping but whose extent was unknown.
- At least four
different vein directions were identified, including the vein from the
Fortaleza mine, where channels chips with values of up to 42.3 g/t Au have
been collected.
Methodology
The
geoelectrical survey methodology was chosen because it is
known to identify vein structures in the same geological context successfully.
The methods are as follows:
- Spontaneous
Potential (SP): measures the spontaneous polarization due to electrochemical
reactions existing at the host rock vein interface.
- Electrical Resistivity Profiling (ERP): measures the lateral variations of
resistivity, trying to delimit the sub-vertical veins by contrast with host
rocks.
- Vertical
Electrical Sounding (VES): measures the behavior of the resistivity
distribution with depth, defining the thickness of the weathered rock and
adjusting the frequency used in Electrical Resistivity
Tomography.
- Electrical
Resistivity Tomography (ERT): measures the lateral and vertical variations of
contacts related to the vein system due to its low resistivity characteristics.
The
grids used were perpendicular to the vein structures,
with variable spacing between 100 and 200 meters and with measuring points every
20 meters.
In
Aparecida, due to the mapping having indicated veins with different strikes, a
grid was used instead of lines perpendicular to the main structure.
Results
Previous exploration work reported in the Company’s National
Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”)
report recorded multiple entries from artisanal mines in different veins with
various directions, showing a mineralization system with an orthogonal pattern.
The
detailed mapping and sampling carried out by the O2Gold team were able to
identify some of these records (Figure 1A). Still, the projections are
difficult to trace due to the thick colluvial material covering the entire
region.
Figure 1: Map of gold results in veins collected during mapping and their possible projections (A), and Spontaneous potential anomaly map and associated vein projections (B).
Thus,
a geophysical grid of the soil was carried out to assist in interpreting the
structures. The interpretation of this work presented a pattern of
"anastomosed" veins (Figure 1B), in an area of 650 x 500 meters, with
two preferential directions EW and NS, but with other low resistive anomalies
(in blue) in directions orthogonal to these main structures, including the vein
that feeds the production at the Fortaleza mine. At this mine, the O2Gold team sampled quartz
vein chips in channels, obtaining gold values of up to 42.3 g/t.
For
the Aparecida target, 1,000 meters of scout drilling are planned to verify the
vein system's extension, depth, thickness, and gold grade.
Quality Assurance and Quality Control
All
samples were shipped to the SGS lab facility in Medellin, Colombia, where they
were prepared and analyzed. They were analyzed using SGS procedure FAA515 to
gold (fire-assay on a 50-gram sample with AAS finish) and AAS12C to silver
(multi-acid digestion with AAS finish). Over the limit gold was determined by
SGS procedure FAG505 (using standard fire-assay on a 50-gram sample with a gravimetric
finish).
In
line with QAQC best practices, approximately 10% of a 78-sample batch are
control samples (three Au-Ag standards: High/Medium/Low grades, two fine
blanks, one project blank, and two field duplicates).
SGS
is independent of O2Gold. The Company is not aware of any other factors that
could materially affect the accuracy or reliability of the data referred to
herein.
Qualified Person
The scientific and technical information contained
herein has been reviewed and approved by Marcelo Albuquerque, MAIG, a
“qualified person” as defined in the 43-101
About O2Gold
O2Gold
is a mineral exploration company with activities in Colombia.
For
additional information, please contact:
Jaime Lalinde, President and CEO
Phone: (57) 312 350 5864
Email: jlalinde@fmresources.ca
Cautionary Note Regarding Forward-looking Information
This press release contains
"forward-looking information" within the meaning of applicable
Canadian securities legislation. Forward-looking information includes, but is not limited to, statements
with respect to the projected vein mineralization of Aurora-Quintanillo and the Company’s
planned work and exploration activities at the Aparecida brownfield,
particularly the geological mapping, drilling and sampling of the
Aurora-Quintanillo target. Generally, forward-looking information can be
identified by the use of forward-looking terminology such as "plans",
"expects" or "does not expect", "is expected",
"budget", "scheduled", "estimates",
"forecasts", "intends", "anticipates" or
"does not anticipate", or "believes", or variations of such
words and phrases or state that certain actions, events or results
"may", "could", "would", "might" or
"will be taken", "occur" or "be achieved".
Forward-looking information is subject to known and unknown risks,
uncertainties and other factors that may cause the actual results, level of
activity, performance or achievements of the Company, as the case may be, to be
materially different from those expressed or implied by such forward-looking
information. Although the Company has attempted to identify important factors
that could cause actual results to differ materially from those contained in
forward-looking information, there may be other factors that cause results not
to be as anticipated, estimated or intended. There can be no assurance that
such information will prove to be accurate, as actual results and future events
could differ materially from those anticipated in such statements. Accordingly,
readers should not place undue reliance on forward-looking information. The
Company does not undertake to update any forward-looking information, except in
accordance with applicable securities laws.
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