Results from a surface exploration program support the theory that
there are additional near-surface gold deposits along the Posse
North Gold Trend, said Amarillo Gold Corporation (TSXV: AGC)
(OTCQB: AGCBF) today.
Since February 2020, surface work at the
Company’s Mara Rosa Property in Brazil has focused on trenching and
auger drilling to delineate the higher-grade zones of anomalous
gold on surface along the trend. The ongoing aim is to identify
potentially economic gold deposits that could add to existing
resources and reserves, which could enhance the production profile
of the Posse Gold Project.
"We are starting to realize the district scale
potential of the Posse trend,” said Mike Mutchler, Amarillo’s Chief
Executive Officer. “These exciting results are consistent with the
results of our successful November 2019-February 2020 drill
program, which showed the potential for satellite gold deposits at
Mara Rosa.
“A new resource would give us the option to
extend the planned life of the Posse Mine, expand the plant
throughput, or some combination of both. This would significantly
increase the project’s expected returns.”
The surface exploration program focused on three
targets. Pastinho, Lambari, and Estrela are located 3.5 kilometres,
4.5 kilometres, and 8.0 kilometres northeast of the Posse Gold
Deposit along the Posse North Trend (see Figure 1).
Posse North is a northeast trending
potassium-radiometric anomaly with coincident gold in soil
anomalies greater than 50 parts per billion defined by previous
work. Structural features found by airborne magnetics were also
useful guides for targeting.
A mechanical back-hoe loader dug
three-metre-deep trenches generally at every 200 metres. Chip
channel samples were taken at one-metre intervals for each trench,
which were oriented in a northwest-southeast direction and
perpendicular to the main trend of the gold deposits.
The key findings of the surface exploration
program are:
- surface trenching and auger drilling confirm the up-dip
extension of the Pastinho gold target
- the surface soil anomaly at Pastinho has been defined over a
strike length of 1.5 kilometre and remains open along strike to the
northeast
- there appear to be subparallel gold structures with up to five
mineralized gold zones trending northeast along the Pastinho
target.
- Lambari and Estrela have defined gold anomalies that require
follow-up work.
The Pastinho targetPastinho is
3.5 kilometres northeast of the Posse Deposit on 6,000 hectares of
new exploration tenements that Amarillo gained access to in
December 2019. It is a gold mineralized structure approximately
800-900 metres long oriented in a northeast-southwest direction
along the same structural trend as the Posse Gold Deposit. The
apparent thickness varies from 10-20 metres and dips about 60
degrees northwest.
Geologically, Pastinho is similar to Posse. It
is characterized by a hydrothermally altered thrusted shear zone
developed along the contact between a biotite microcline gneiss
(granodiorite composition) and metagabbo and/or amphibolite mafic
rocks. There are structural fabrics including mylonites together
with hydrothermal alteration minerals like silicification (quartz),
biotite, sericite, and carbonate with associated disseminated
sulphides that are typically 1-3% pyrite.
The results of Amarillo’s most recent diamond
drilling are interpreted to have increased the strike extent to 900
metres (see Figure 2) from the 150 metre long zone of near-surface
gold mineralization defined by a previous operator. Examples from
these drill results include:
- hole LMR007A – 18.7 metres grading 0.84 g/t gold. It was
oriented with an azimuth of 109.1 degrees and a dip of -50
degrees.
- hole 20P109 – 11 metres grading 0.74 g/t gold. It was oriented
with an azimuth of 125 degrees and a dip of -59 degrees.
Nine trenches (see Figures 3 and 4) were dug
totalling 791.6 metres, and 850 samples were tested over a strike
length of 1.5 kilometres (see Table 1). Highlights of the results
include:
- trench 20TCH001 – 20 metres grading 1.034 g/t Au
- trench 20TCH002 – 11 metres grading 0.95 g/t Au
- trench 20TCH003 – 10 metres grading 1.22 g/t Au
- trench 20TCH004 – 5.1 metres grading 3.27 g/t Au
- trench 20TCH009 – 17 metres grading 1.46 g/t Au.
Significantly, the surface trench work has
extended the strike length of the Pastinho gold target to 1.5
kilometres. The current interpretation is that the surface
trenching program has outlined the up-dip extension of Pastinho.
There appear to be up to five subparallel gold structures dipping
northwest approximately 50-60 degrees. Pastinho, which has been
drill-tested to a depth of approximately 100 metres, remains open
at depth.
Lambari Lambari is located
approximately 1.0 kilometre northeast of Pastinho, and 4.5
kilometres north of Posse. The geological setting of Lambari is
similar to the Posse Gold Deposit and Pastinho.
Surface work consisted primarily of shallow
auger drilling, which defined two gold in soil anomalies. The first
anomaly is located along strike and parallel to Pastinho and has a
strike length of approximately 1.0 kilometre. The second gold in
soil anomaly occurs to the northeast and is parallel to the first
anomaly. It has been defined over a distance 1.5 kilometres.
EstrelaEstrela is located about
3.5 km northeast and along trend from Pastinho, and approximately
8.0 kilometres northeast of Posse. Estrela is interpreted to occur
along the same structural corridor as Posse and Lambari and shares
similar geology. Work consisted primarily of shallow surface auger
drilling and defined a northeast trending gold in soil anomaly over
a strike length of 900 metres.
Future exploration programThe
surface exploration work at Mara Rosa has been successful in better
defining the Pastinho, Lombari, and Estrela gold exploration
targets.
In addition to on-going surface trenching and
auger drilling of selected targets, next steps will also include
completing a detailed induced polarization ground geophysical
survey over each of the targets and a diamond drill program.
Ground geophysics is expected to begin in late
September or early October, with a diamond drilling program planned
to begin in late 2020 or early 2021. Approximately C$1.75 million
has been budgeted for exploration at Mara Rosa to the end of
2021.
Table 1: Trenching results
Trench number |
Number ofsamples |
Goldstructure |
From(metres) |
To (metres) |
Length (metres) |
Gold grade (g/t) |
20TCH001 |
96 |
1 |
23.00 |
43.00 |
20.00 |
1.034 |
|
|
2 |
55.00 |
59.00 |
4.00 |
0.320 |
20TCH002 |
92 |
1 |
23.00 |
34.00 |
11.00 |
0.950 |
|
|
2 |
54.00 |
58.00 |
4.00 |
0.222 |
20TCH003 |
98 |
1 |
31.00 |
41.00 |
10.00 |
1.220 |
|
|
2 |
44.00 |
55.00 |
11.00 |
0.341 |
|
|
3 |
72.00 |
80.00 |
8.00 |
0.196 |
|
|
4 |
83.00 |
84.00 |
1.00 |
0.705 |
|
|
5 |
94.00 |
95.00 |
1.00 |
0.246 |
20TCH004 |
89 |
1 |
20.90 |
26.00 |
5.10 |
3.265 |
|
|
2 |
39.00 |
43.00 |
4.00 |
0.271 |
|
|
3 |
52.00 |
53.00 |
1.00 |
0.491 |
|
|
4 |
55.00 |
56.00 |
1.00 |
5.435 |
|
|
5 |
65.00 |
66.00 |
1.00 |
7.275 |
20TCH005 |
99 |
1 |
31.20 |
39.10 |
7.90 |
1.524 |
|
|
2 |
50.00 |
52.00 |
2.00 |
0.242 |
|
|
3 |
60.00 |
63.00 |
3.00 |
0.544 |
|
|
4 |
68.00 |
71.00 |
3.00 |
0.388 |
|
|
5 |
80.00 |
82.00 |
2.00 |
1.070 |
20TCH006 |
76 |
1 |
53.30 |
56.00 |
2.70 |
0.919 |
20TCH007 |
66 |
1 |
58.00 |
59.80 |
1.80 |
0.393 |
20TCH007A |
32 |
1 |
0.00 |
19.00 |
19.00 |
1.431 |
20TCH008 |
62 |
1 |
47.00 |
55.65 |
8.65 |
0.918 |
20TCH008A |
30 |
1 |
22.00 |
23.00 |
1.00 |
1.642 |
20TCH009 |
110 |
1 |
7.00 |
24.00 |
17.00 |
1.461 |
|
|
2 |
29.00 |
31.00 |
2.00 |
0.280 |
|
|
3 |
43.10 |
43.90 |
0.80 |
0.686 |
Figures
The following figures illustrate the Pastinho
drill target and the Company’s interpretation of the work done to
date:
- Figure 1 – Posse North Trend
- Figure 2 – Location of Pastinho drill holes
- Figure 3 – Location of Pastinho trenches
- Figure 4 – Plan view of trenches and drill holes along section
lines
- Figure 5 – Cross-section through Pastinho on section line
12
- Figure 6 – Cross-section through Pastinho on section line
15
To view Figure 1: Posse North Trend, please
visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/22bdf620-6122-4e29-a756-f1f85ad099cc
This figure shows the potassium radiometric and
surface soil anomalies along Posse North Trend. It also shows the
location of the Pastinho, Lambari, and Estrela targets, and
distance from Posse Gold Deposit.
To view Figure 2: Location of Pastinho drill
holes, please visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/d17d371c-031e-4dfb-a260-3502cdef5308
To view Figure 3: Location of Pastinho
trenches, please visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/6df219d8-f2f8-4576-b95d-bd843ea48b92
To view Figure 4: Plan view of trenches and
drill holes along section lines, please visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/cd1e7481-6521-4350-88c2-8510d1ba2eb4
To view Figure 5: Cross-section of Pastinho
through section line 12, please visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/2a818c1d-0bb1-4240-b150-57c47820dddd
This figure is a northeast facing cross-section
through Pastinho on section line 12 based on trench 20TCH007A and
diamond drill hole LMR006A.
To view Figure 6: Cross-section through Pastinho
on section line 15, please visit the following
link: https://www.globenewswire.com/NewsRoom/AttachmentNg/8986af50-7de1-4468-9f1c-e02e19748e33
This figure is a cross-section through Pastinho
on section line 15, which is approximately 150 metres northeast of
section line 12. The surface trenching results again confirm the
up-dip extension of Pastinho. In this case, four subparallel gold
structures have been defined.
About Amarillo
Amarillo Gold Corporation is advancing two gold
projects in Brazil. Both are in mining-friendly states and have
excellent nearby infrastructure. The development stage Posse Gold
Project on its Mara Rosa Property in Goiás State has received the
main permit that provides social and environmental permission for
mining. Work is underway on receiving the installation permit. The
exploration stage Lavras do Sul Project in Rio Grande do Sul State
has more than 22 prospects centered on historic gold workings.
Amarillo Gold Corporation trades on the TSXV
under the symbol AGC, and on the OTCQB under the
symbol AGCBF.
For further information, please
contact
Mike Mutchler |
|
Annemarie Brissenden |
President & CEO |
|
Investor Relations |
416-294-0736 |
|
416-844-6284 |
mike.mutchler@amarillogold.com |
|
annemarie.brissenden@amarillogold.com |
Qualified Person
Michael Durose, P.Geo., Consulting Geologist for
Amarillo Gold Corp. and a qualified person ("QP") as defined by
Canadian National Instrument 43-101, has reviewed and approved the
scientific and technical information contained in this release.
Quality assurance and quality
control
Sample handling, preparation and analysis are
monitored through the implementation of formal chain-of-custody
procedures and quality assurance/quality control programs designed
to follow industry best practices.
Trench channel samples were taken at 1 m
intervals and placed in a secure sample bag and submitted to ALS
Laboratories Inc. in Goiania, Goiás State, Brazil for preparation
by crushing to 70% passing 2.0 mm, riffle splitting to obtain 500 g
aliquots, and pulverizing to 85% passing 75 microns.
Pulps are shipped to ALS Laboratories in Lima,
Peru and analyzed by a 30 g fire assay and AAS finish. For assays
above 10 ppm Au, a cut of the original pulp was re-assayed with a
gravimetric finish.
Certified standards, non-certified blanks and
field duplicates are inserted into the sample stream at regular
intervals, so that QA/QC accounted for about 10% of the total
samples. Results are routinely evaluated for accuracy, precision
and contamination.
Forward-looking statements
This news release contains forward-looking
statements regarding the Company’s current expectations regarding
future events, including its business, operations and condition,
and management’s objectives, strategies, beliefs and
intentions.
Various factors may prevent or delay our plans,
including but not limited to, the trading price of the common
shares of the Company, capital market conditions, impacts from the
coronavirus or other epidemics, counterparty risk, TSXV
approval(s), contractor availability and performance, weather,
access, mineral and gold prices, and success and failure of the
exploration and development carried out at various stages of the
program.
Permission from the government and community is
also required to proceed with future mining production. Readers
should review the Company’s ongoing quarterly and annual filings,
as well as any other additional documentation comprising the
Company’s public disclosure record, for additional information on
risks and uncertainties relating to these forward-looking
statements.
Readers should also review the risk factors
applicable to junior mining exploration companies generally to
better understand the variety of risks that can affect the Company.
The Company undertakes no obligation to update publicly or
otherwise revise any Forward-looking statements whether as a result
of new information or future events or otherwise, except as may be
required by law.
Disclaimer
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as defined in the policies of the TSX
Venture Exchange) accepts responsibility for the adequacy or
accuracy of the content of this news release.
PDF
available: http://ml.globenewswire.com/Resource/Download/ea159400-1978-4084-ba59-f352d5d3a20f
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