BAROYECA GOLD & SILVER
INC.
Suite 1008 - 409 Granville Street
Vancouver, BC V6C 1T2
Telephone (604) 689-5002 Email: info@baroyeca.com
Website : www.baroyeca.com
TSX-V: BGS
VANCOUVER, BC, Sept.14, 2021
/CNW/ - BAROYECA GOLD & SILVER INC. (the "Company") is
pleased to announce assay results from a 500-ton industrial sized
bulk sample collected from an exploratory tunnel at its Santa
Barbara gold project in Bolivar, Colombia.
Sampling was started in 2019 and continued through 2020 by a
previous project operator. The sampling process was designed and
supervised by a Qualified Person with Baroyeca completing the
process to obtain a 500-ton sample.
The Santa Barbara exploratory tunnel has been driven for
150m following a continuous shoot in
a gold bearing vein. The vein has been mapped at surface for
continuation, dip measurements and strike direction so it can be
followed by the tunnel and continued along strike beyond the
current tunnel length in the near future. Channel and bulk sampling
started at meter 25 from the tunnel portal where a crosscut
intersected the gold vein under existing artisanal mining works on
surface. Channel samples collected by Baroyeca (see Fig. 1 and
Table 1) in 2020 averaged 35.18 g/t Au.
Raul Sanabria, P.Geo., President
of Baroyeca commented: "We continue to show the exceptional
quality of the projects we acquire and our exploration work at
Santa Barbara is clear proof of that. We took the approach of
drifting for vein characterization and grades and this has paid
off. Having this consistency in high-gold grades over the entirety
of the 150m strike length of the
tunnel, which remains open, provides an indication of what we can
expect to find at depth and in other parallel veins in the project.
Additional bulk samples have been started from parallel veins
recently accessed by our underground development crosscut tunnels
with the vein material to be processed at the Santa Barbara
processing plant. The gold recovery should generate enough
non-dilutive cash flow to defray most of the overhead costs of the
Santa Barbara project while advancing underground
exploration."
The gold mineralized vein averages 0.30m in width (in some areas up to 0.5m thick) and locally splits into two veins
which later rejoin. The vein follows a right lateral fault striking
N050 dipping steeply to the NW and turning into N030 dipping
steeply to the SE towards the tunnel portal (NE). The vein shows
between 10% and 60% sulfide content (pyrite, sphalerite, galena,
and minor chalcopyrite) in a gangue of quartz, manganese-bearing
carbonates and calcite. Chlorite and sericite are conspicuously
present as alteration minerals. Breccias and multi-episode banded
textures are the most commonly present.
Table 1. Channel Sample summary from Santa Barbara tunnel
(2020).
Sample
ID
|
tunnel
(m)
|
vein thickness
(m)
|
Au
ppm
|
Ag
ppm
|
RS0001
|
36.00
|
0.10
|
102.42
|
160.7
|
RS0002
|
40
|
0.30
|
22.39
|
77.4
|
RS0003
|
50
|
0.20
|
17.32
|
67.1
|
RS0004
|
66
|
0.27
|
55.2
|
95.3
|
RS0005
|
80
|
0.35
|
1.581
|
5.6
|
RS0006
|
80
|
0.16
|
15.74
|
37
|
RS0007
|
86
|
0.10
|
31.36
|
38.1
|
RS0008
|
86
|
0.26
|
26.81
|
30
|
RS0009
|
110
|
0.30
|
49.83
|
114.4
|
RS0010
|
140
|
0.50
|
29.14
|
43.3
|
Sample collection method
Bulk sample collection was started by the previous operator of
the project in 2019, designed and supervised by a Qualified Person
for QA/QC purposes, and continued during 2020. Baroyeca continued
the process with the same methodology but increased the batch
sample from 10 to 15 tons after completion of some improvements and
upgrades at the pilot processing plant. Baroyeca collected the last
72.5 tons of vein material since becoming the operator of the
project in February 2021 to complete
the total milestone of 500 tons of bulk sample (See table 2
below).
Table 2. Sample Summary from Santa Barbara industrial size
bulk sample.
Santa Barbara
Processing Plant Bulk Sample Gold Head-Grades
Summary
|
Lab Assay Check
Results (SGS)
|
|
Lab Assay Check
Results (SGS)
|
|
Sample
#
|
Au
g/t
|
Ag
g/t
|
Sample size
(kg)
|
Sample
#
|
Au
g/t
|
Ag
g/t
|
Sample size
(kg)
|
A-5
|
26.52
|
50.50
|
11,500
|
A-28
|
22.29
|
47.40
|
10,500
|
A-6
|
18.15
|
46.10
|
11,120
|
A-29
|
21.65
|
43.40
|
10,530
|
A-7
|
21.97
|
50.90
|
9,640
|
A-30
|
22.31
|
52.40
|
10,417
|
A-8
|
18.23
|
61.30
|
9,810
|
A-31
|
25.43
|
57.70
|
10,571
|
A-9
|
28.11
|
92.60
|
10,000
|
A-32
|
27.58
|
73.80
|
10,500
|
A-10
|
37.93
|
82.20
|
10,600
|
A-33
|
26.71
|
71.40
|
10,510
|
A-11
|
23.70
|
57.90
|
8,000
|
A-34
|
27.59
|
58.30
|
10,500
|
A-12
|
15.29
|
30.60
|
12,000
|
A-35
|
23.06
|
63.70
|
9,600
|
A-13
|
22.94
|
62.60
|
10,149
|
A-36
|
20.73
|
38.80
|
9,800
|
A-14
|
28.78
|
64.40
|
10,026
|
A-37
|
22.00
|
58.00
|
10,405
|
A-15
|
20.79
|
52.80
|
10,059
|
A-38
|
22.82
|
44.70
|
10,322
|
A-16
|
18.05
|
52.60
|
10,483
|
A-39
|
16.67
|
32.60
|
7,000
|
A-17
|
17.13
|
55.70
|
10,266
|
A-40
|
22.90
|
50.50
|
10,345
|
A-18
|
22.56
|
62.30
|
10,166
|
A-41
|
22.88
|
57.00
|
9,900
|
A-19
|
24.26
|
54.20
|
10,600
|
A-42
|
26.60
|
92.30
|
10,350
|
A-20
|
24.45
|
68.30
|
9,207
|
A-43
|
23.97
|
56.90
|
9,000
|
A-21
|
22.72
|
42.30
|
10,200
|
A-44
|
28.90
|
68.50
|
10,300
|
A-22
|
21.48
|
31.30
|
9,479
|
A-45
|
19.97
|
40.20
|
10,300
|
A-23
|
13.68
|
30.80
|
9,200
|
A-46
|
19.74
|
121.20
|
10,225
|
A-24
|
25.38
|
48.80
|
10,000
|
A-47
|
25.00
|
46.30
|
10,250
|
A-25
|
26.11
|
44.10
|
9,000
|
A-48
|
22.92
|
48.90
|
15,600
|
A-26
|
19.93
|
39.70
|
9,300
|
A-49
|
30.52
|
69.50
|
15,329
|
A-27
|
33.63
|
57.80
|
10,480
|
A-50
|
29.36
|
51.50
|
15,518
|
A-28
|
22.29
|
47.40
|
10,500
|
A-51
|
28.62
|
47.20
|
15,450
|
A-29
|
21.65
|
43.40
|
10,530
|
A-52
|
31.06
|
65.07
|
10,565
|
Total
|
Weighted
Avg. Au g/t
|
Weighted
Avg. Ag g/t
|
Kg
processed
|
24.05
|
56.27
|
505,072
|
The mining method employed at the tunnel consists of splitting
the vein from the barren wall rock, separating and collecting the
vein material with a minimum of wall rock shoulder attached. The
vein material from the tunnel is then bagged at the tunnel portal
in woven plastic bags and individually weighed until an approximate
nominal 10 to 15 ton batch sized sample is completed. Samples are
then loaded in random order in a truck and taken to the Santa
Barbara pilot gold processing plant. At the plant site, sample bags
are dumped in random order to pass through a first stage of
crushing to 2 inch and then a second stage of crushing to 0.5 inch
particle size. Crushed material is then stored in a bin with a
vibrating door that self-feeds the primary ball mill. Crushed
material is then sent to the primary ball mill (>40% passing 150
mesh) and secondary ball mill (>60% passing 200 mesh) connecting
with the three 15m3
cyanide leaching talks where the pulp is agitated before adding any
reagent for homogenization purposes.
The pilot plant does not have any gravity separation stage or
flotation system therefore there is no loss of material in the
process and the sample pulp once reaches the cyanide leaching tanks
can be considered the entire sample and the sample being
homogenized. A 1 kg head grade sample is then collected from the
tank before the cyanide leaching process can start.
2021 Santa Barbara Exploration Program update
Baroyeca has completed a 45m
crosscut tunnel perpendicular to the main exploratory one following
the Santa Barbara vein and reached the second parallel vein
identified at surface that returned 16.24 g/t Au in a chip
sample. The exploration crosscut tunnel will be driven past to
reach a mapped parallel vein at surface only 5m away that returned 17.88 g/t Au in a
chip sample.
A second bulk sample of a minimum size of 100 ton will be
collected from this second vein and if successful in reaching the
third vein with the exploration crosscut tunnel, a third bulk
sample will be collected and processed at the pilot processing
plant. Subsequent channel sampling will be performed at
1m intervals and recorded as the
tunnels advance through the veins to cross reference them with the
head grades for every 15 ton batch.
Baroyeca's Mining Engineering Team is currently working on
underground tunnel upgrades consisting of ventilation, railing,
energy, upgrading to guarantee target tonnage throughput. The Team
is also recommending further upgrades to the pilot plant to reduce
batch processing times thereby increasing monthly gold output from
bulk sample testing.
QA/QC
Rock samples are shipped by transport truck in sealed woven
plastic bags to SGS sample preparation facility in Medellin, Colombia for sample preparation and
analysis. SGS operates according to the guidelines set out in
ISO/IEC Guide 25. Gold is determined by fire-assay fusion of a 50 g
sub-sample with atomic absorption spectroscopy (AAS). Samples that
return values >10 ppm gold from fire assay and AAS are
determined by using fire assay and a gravimetric finish. Silver is
analyzed by inductively-coupled plasma (ICP) atomic emission
spectroscopy, following multi-acid digestion. Silver is determined
by ore grade assay for samples that return >500 ppm.
About Baroyeca Gold & Silver Inc.
Baroyeca Gold & Silver Inc. is a mineral exploration company
focused on high-grade silver and gold projects located in
Colombia. Baroyeca's flagship
asset is the high-grade Atocha Silver-Gold Project located in
Tolima Department, Colombia. The
Company also holds an option to acquire a 100% interest in the
Santa Barbara Property, Bolivar Department, Colombia, which is renowned for its high-grade
gold mineralization and vein density. Current exploration
activities on the Santa Barbara Property involve the bulk sampling
of vein structures, which material then feeds into a trial
production facility which has consistently been producing gold for
over a year. The revenue from the sale of produced gold defrays
part of the operating costs. The Company is planning to expand
these activities.
The Company's Board and senior management are committed to
creating shareholder value through the discovery process, careful
allocation of capital, and environmentally and socially responsible
mineral exploration.
Qualified Person
Raul Sanabria, M.Sc., P.Geo.,
President of Baroyeca Gold & Silver Inc. and a qualified person
("QP") as defined by Canadian National Instrument 43-101, has
reviewed and approved the technical information contained in this
release.
BAROYECA GOLD & SILVER INC.
Per: "Raul
Sanabria"
Raul
Sanabria, President
Neither the TSX Venture Exchange nor its Regulation Services
Provider accepts responsibility for the adequacy or the accuracy of
this release.
SOURCE Baroyeca Gold & Silver Inc.