Lavras Gold Corp. (TSXV: LGC, OTCQB: LGCFF) has made
yet another new gold discovery at
its LDS Project in southern Brazil. The gold mineralization
discovered at the Galvao target is significant because it has long
intervals with bonanza grade subintervals in some cases.
This is the first time that Galvao has been
drill-tested, and the results show that this important new gold
system has an intermittent north-south strike extent of at least
450 metres. The mineralization, which has been found to a vertical
depth of 461 metres, is hosted by perthitic granite in zones of
hydrothermal breccia.
The Galvao discovery is the fourth
new discovery made by the Company since launching
a little over a year ago. There are now seven advanced mineral
deposits/exploration discoveries at LDS (see Figure 1): Butiá,
Caneleira, Cerrito/Vila Marieta, Galvao, Matilde, Matilde
Extension, and Zeca Souza. All of these remain open at depth and
along strike. Some, like Cerrito/Vila Marieta, may even be
connected.
“The mineralization discovered at Galvao appears to
be the southern extension of the Zeca Souza discovery,” said
Michael Durose, President and Chief Executive Officer.
“Importantly, mineralization has been found at a vertical depth as
deep as 461 metres, which shows that the depth potential of the
gold system at LDS is quite significant. Galvao remains open along
strike and at depth.”
One of 23 known gold targets at LDS, Galvao is
located immediately south of the Zeca Souza target. Assay results
from Zeca Souza featured visible gold, bonanza gold grades near
surface like 28.2 g/t over 3 metres, and long intervals like 36.40
metres at 0.47 g/t gold.
Similarly, the Galvao assay results are typical of
the style of mineralization found at LDS. The results are
characterized by large intervals of moderate gold grade accentuated
by higher grade intervals.
The highlight of the drilling was a long,
higher-grade interval from 22BT002 that had returned sub-intervals
of bonanza grade gold (see Table 1):
- 10 metres at 4.63 g/t
gold from 532.00 metres (vertical depth of 461.00 metres),
including
- 3.00 metres at 11.70
g/t gold from 532.00 metres including 1.00 metre at 22.40 g/t gold
from 534.00 metres.
Discussion of results
Galvao is a new gold discovery based on a target
generated by following up on old surface workings, trenches, and a
gold-in-soil anomaly. It is located immediately south of the Zeca
Souza discovery (see Figure 2), and approximately 1.4 kilometres
north of the Butiá Gold Deposit.
As highlighted in Figure 3, the Galvao target was
tested by two drill holes that were drilled from north to south.
Long intervals of gold mineralization have been traced
intermittently over 450 metres of strike length in a north-south
direction. Figure 4 illustrates an east-facing cross-section
highlighting the gold mineralized zones at Galvao.
Gold is usually associated with fine grain
disseminated pyrite and sulphide minerals associated with dark
green to black chlorite-silica veinlets that occur in the matrix to
altered perthitic granite hydrothermal breccia. Sphalerite and
galena are locally observed. Typical examples of mineralization are
shown in Figures 5 and 6. Visible gold has also been identified in
cross-cutting silicified zones in drill hold 22BT001 (Figures 7a
and 7b).
Tables 2 and 3 summarize important assay results
generated at Galvao. Key highlights are as follows.
22BT001
- 15.00 metres at 0.38
g/t gold from 283.00 metres including
- 4.0 metres at 0.79 g/t
gold from 293.00 metres
- 18.56 metres at 0.60
g/t gold from 368.44 metres including
- 6.59 metres at 1.15
g/t gold from 376.00 metres
- 6.64 metres at 2.82
g/t gold from 401.36 metres including
- 1.00 metres at 16.30
g/t gold from 406.00 metres
22BT002
- 15.00 metres at 0.42
g/t gold from 292.00 metres including
- 2.00 metres at 2.51
g/t gold from 305.00 metres
- 27.18 metres at 0.53
g/t gold from 373.00 metres including
- 8.00 metres at 1.23
g/t gold from 380.00 metres
- 16.00 metres at 0.51
g/t gold from 412.00 metres including
- 4.00 metres at 1.24
g/t gold from 419.00 metres
- 10.00 metres at 4.63
g/t gold from 532.00 metres including
- 3.00 metres at 11.70
g/t gold from 532.00 metres
An important result from drillhole
22BT-002 is a high-grade interval of
10 metres grading 4.63 g/t gold
at 532.00 metres down the drill core and at a vertical distance of
461.00 metres where mineralization remains open.
This hole highlights the high-grade nature and
vertical potential of the mineral system at
depth. These high-grade results
are shown in Table 1, below.
Figure 8 shows that this higher-grade zone of gold
mineralization is hosted within hydrothermally brecciated perthitic
granite displaying moderate potassic alteration. The zone is an
intensely fractured perthitic granite forming a boxwork
texture.
The matrix material consists of chlorite and silica
with disseminated sulphides (primarily pyrite). The pyrite is
interpreted to host the gold. Very fine grain visible gold has been
observed with a magnifying glass.
Figure 9 shows that the high grade interval of
22.40 g/t gold from 534.00 metres to 535.00 metres is associated
with a centimetre-scale cross-cutting quartz chlorite veinlet that
hosts disseminated and millimetre-scale veinlets of sulphides.
TABLE 1: RESULTS FROM HIGH GRADE ZONE IN DRILLHOLE
22BT002
Hole |
Azimuth(degrees) |
Dip(degrees) |
End of
hole(metres) |
From(metres) |
To(metres) |
Interval(metres) |
Gold
grade(g/t) |
22BT002 |
180 |
-60.0 |
600.00 |
532.00 |
542.00 |
10.00 |
4.63 |
including |
|
|
|
532.00 |
533.00 |
1.00 |
8.68 |
including |
|
|
|
533.00 |
534.00 |
1.00 |
4.02 |
including |
|
|
|
534.00 |
535.00 |
1.00 |
22.40 |
including |
|
|
|
535.00 |
536.00 |
1.00 |
0.04 |
including |
|
|
|
536.00 |
537.00 |
1.00 |
1.45 |
including |
|
|
|
537.00 |
538.00 |
1.00 |
1.89 |
including |
|
|
|
538.00 |
539.00 |
1.00 |
0.04 |
including |
|
|
|
539.00 |
540.00 |
1.00 |
2.14 |
including |
|
|
|
540.00 |
541.00 |
1.00 |
0.06 |
including |
|
|
|
541.00 |
542.00 |
1.00 |
5.61 |
Note: true widths have not been determined at this
time.
Next Steps
The 16,000-metre drilling program is on-going on
the LDS Property. The geology team is completing surface work at
the Galvao Target including clearing and sampling of old workings
and trenches. Results will be integrated with these drilling
results with the goal of defining new targets to drill.
Qualified person
Michael Durose, Lavras Gold’s President and CEO, is
a qualified person as defined by NI 43-101. He 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.
All drillhole samples in this drilling program
consist of split NQ diamond drill core.
Drill core is logged and sampled in a secure
facility located in Lavras do Sul, Rio Grande do Sul State, Brazil.
Drill core samples for gold assay are cut in half using a diamond
saw and submitted to ALS Laboratories Inc. in Goiania, Goiás State,
Brazil for preparation by crushing to 70% passing 2.0 mm, riffle
splitting to obtain500 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 gold, a cut of the original pulp is 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.
About Lavras Gold
Lavras Gold (TSXV: LGC, OTCQB: LGCFF) is a Canadian
exploration company focused on realizing the potential of a
multi-million-ounce gold district in southern Brazil. Its Lavras do
Sul Project is in Rio Grande do Sul State and primarily an
intrusive hosted gold system of possible alkaline affinity. More
than 23 gold prospects centred on historic gold workings have been
identified on the property, which spans more than 22,000
hectares.
Follow Lavras Gold on www.lavrasgold.com, as well
as on LinkedIn, Twitter, and YouTube.
Contact information
Michael Durose,
President & CEO, or Annemarie
Brissenden, Investor Relations+1-416-844-6284 |
investor@lavrasgold.comwww.lavrasgold.com
DISCLAIMER AND FORWARD-LOOKING
INFORMATIONNeither 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.
This news release contains certain “forward-looking
information” within the meaning of applicable securities laws.
Forward-looking information is frequently characterized by words
such as “plan”, “expect”, “project”, “intend”, “believe”,
“anticipate”, “estimate”, “may”, “will”, “would”, “potential”,
“proposed” and other similar words, or statements that certain
events or conditions “may” or “will” occur. These statements,
including those on planned exploration activities and goals, are
only objectives and predictions. Forward-looking information is
based on the opinions and estimates of management at the date the
information is provided, and is subject to a variety of risks and
uncertainties and other factors that could cause actual events or
results to differ materially from those projected in the
forward-looking information, including the risks and factors that
generally affect exploration and the uncertainty of exploration
results. For a description of the risks and uncertainties facing
the Company and its business, refer to the Company’s Management’s
Discussion and Analysis recently filed under the Company’s profile
on www.sedar.com. The Company undertakes no obligation to update
forward-looking information if circumstances or management’s
estimates or opinions should change, unless required by law. The
reader is cautioned not to place undue reliance on forward-looking
information.
FIGURE 1Location of the gold
deposits, Butiá and Cerrito, as well as the advanced gold
discoveries, including Galvao, at the LDS Project.
FIGURE
2Location of Galvao relative to the Zeca Souza
discovery and Butiá Gold Deposit.
FIGURE 3Galvao
drillholes showing intermittent gold mineralization over a
north-south strike length of up to 450 metres.
FIGURE
4East-facing cross-section of Galvao target
highlighting intercepts for drillholes 22BT001 and 22BT002.
FIGURE
5Drillhole 22BT002: typical example of
hydrothermal breccia from Galvao. Perthitic granite hydrothermal
breccia. Interval is from 357.00 metres to 358.00 metres and grades
0.721 g/t gold. Potassic alteration (pink) overprinted by sericite
alteration (musky green). Fractures in matrix are infilled by dark
green to black chlorite, silica, and disseminated pyrite.
FIGURE 6Drillhole
22BT002: potassic-sericite-altered perthitic granite hydrothermal
breccia from 384.23 metres to 385.00 metres grading 3.73 g/t gold.
Potassic alteration (pink) overprinted by sericite alteration
(musky green). Centimetre-scale quartz veinlets cross-cut by
late-stage quartz-carbonate-pyrite veinlets rimmed by black
chlorite. Local, disseminated fine grain pyrite in matrix.
FIGURES 7a &
7bDrillhole 22BT001: visible gold (yellow circle)
associated with cross-cutting silicified zone within hydrothermally
altered perthitic granite at Galvao. Sample is from 407.00 metres
to 408.00 metres, and grades 16.30 g/t gold.
FIGURE 8
Galvao drillhole 22BT002: drillcore from 530.00 metres to 537.00
metres shows mineralized perthitic granite hydrothermal breccia.
Breccia forms a boxwork texture of fractures. Fractures are
occasionally rimmed by pink potassic alteration. Matrix consists of
chlorite, silica, and fine grain disseminated to millimetre scale
veinlets of pyrite. Late-stage millimetre to centimetre scale milky
quartz veinlets with disseminated sulphides cross-cut chlorite
veinlets. Highest grade interval consists of 22.40 g/t gold from
534.00 metres to 535.00 metres (yellow circle). Width of drill core
Is 4.76 centimetres (NQ).
FIGURE 9Galvao
drillhole 22BT002: drillcore from 534.00 metres to 535.00 metres
shows moderately potassic altered perthitic granite cross-cut by
centimetre-scale quartz-chlorite veinlets hosting fine grained
disseminations and veinlets of sulphides including sphalerite,
pyrite, and chalcopyrite. Sample grades 22.40 g/t gold. Width of
core is 4.76 centimetres (NQ).
TABLE 2: SUMMARY OF ASSAY RESULTS FROM GALVOA HOLE
22BT001
Hole |
Azimuth(degrees) |
Dip(degrees) |
End of
hole(metres) |
From(metres) |
To(metres) |
Interval(metres) |
Gold
grade(g/t) |
22BT001 |
180 |
-60.0 |
473.32 |
62.00 |
64.00 |
2.00 |
0.33 |
|
|
|
|
69.00 |
70.00 |
1.00 |
0.36 |
|
|
|
|
125.00 |
126.35 |
1.35 |
0.36 |
|
|
|
|
141.00 |
142.00 |
1.00 |
0.31 |
|
|
|
|
169.00 |
171.00 |
2.00 |
0.46 |
|
|
|
|
180.00 |
181.00 |
1.00 |
0.25 |
|
|
|
|
193.22 |
194.00 |
0.78 |
0.34 |
|
|
|
|
220.00 |
221.00 |
1.00 |
3.60 |
|
|
|
|
273.00 |
274.00 |
1.00 |
0.34 |
|
|
|
|
277.00 |
278.00 |
1.00 |
1.09 |
|
|
|
|
283.00 |
298.00 |
15.00 |
0.38 |
including |
|
|
|
293.00 |
297.00 |
4.00 |
0.79 |
including |
|
|
|
293.00 |
294.00 |
1.00 |
1.08 |
|
|
|
|
304.00 |
309.00 |
5.00 |
0.31 |
|
|
|
|
316.00 |
317.00 |
1.00 |
0.42 |
|
|
|
|
321.00 |
323.00 |
2.00 |
0.54 |
|
|
|
|
331.00 |
332.55 |
1.55 |
0.37 |
|
|
|
|
349.00 |
351.00 |
2.00 |
0.76 |
|
|
|
|
368.44 |
387.00 |
18.56 |
0.60 |
including |
|
|
|
376.00 |
382.59 |
6.59 |
1.15 |
including |
|
|
|
379.00 |
380.00 |
1.00 |
2.06 |
|
|
|
|
401.36 |
408.00 |
6.64 |
2.82 |
including |
|
|
|
401.36 |
402.26 |
0.90 |
1.32 |
including |
|
|
|
406.00 |
407.00 |
1.00 |
16.30 |
|
|
|
|
423.41 |
424.72 |
1.31 |
0.67 |
|
|
|
|
444.00 |
447.00 |
3.00 |
1.16 |
|
|
|
|
458.00 |
461.00 |
3.00 |
0.69 |
including |
|
|
|
458.00 |
459.00 |
1.00 |
1.38 |
|
|
|
|
465.24 |
471.00 |
5.76 |
0.47 |
including |
|
|
|
470.00 |
471.00 |
1.00 |
0.99 |
Note: true widths have not been determined at this
time.
TABLE 3: SUMMARY OF ASSAY RESULTS FROM GALVOA HOLE
22BT002
Hole |
Azimuth(degrees) |
Dip(degrees) |
End of
hole(metres) |
From(metres) |
To(metres) |
Interval(metres) |
Gold
grade(g/t) |
22BT002 |
180 |
-60.0 |
600.00 |
12.00 |
15.00 |
3.00 |
0.25 |
|
|
|
|
58.00 |
59.00 |
1.00 |
0.50 |
|
|
|
|
66.00 |
68.00 |
2.00 |
3.75 |
|
|
|
|
292.00 |
307.00 |
15.00 |
0.42 |
including |
|
|
|
305.00 |
307.00 |
2.00 |
2.51 |
|
|
|
|
355.00 |
358.00 |
3.00 |
0.44 |
including |
|
|
|
357.00 |
358.00 |
1.00 |
0.72 |
|
|
|
|
361.76 |
363.00 |
1.24 |
0.41 |
|
|
|
|
373.00 |
400.18 |
27.18 |
0.53 |
including |
|
|
|
373.00 |
388.00 |
15.00 |
0.64 |
including |
|
|
|
377.00 |
378.00 |
1.00 |
1.10 |
including |
|
|
|
380.00 |
388.00 |
8.00 |
1.23 |
including |
|
|
|
383.40 |
385.00 |
1.60 |
2.45 |
including |
|
|
|
383.40 |
384.23 |
0.83 |
1.27 |
including |
|
|
|
384.23 |
385.00 |
0.77 |
3.73 |
including |
|
|
|
398.00 |
400.18 |
2.18 |
1.38 |
|
|
|
|
412.00 |
428.00 |
16.00 |
0.51 |
including |
|
|
|
419.00 |
423.00 |
4.00 |
1.24 |
including |
|
|
|
419.00 |
420.00 |
1.00 |
2.25 |
including |
|
|
|
421.00 |
422.00 |
1.00 |
1.91 |
|
|
|
|
435.00 |
436.00 |
1.00 |
0.32 |
|
|
|
|
464.00 |
465.00 |
1.00 |
1.10 |
|
|
|
|
532.00 |
542.00 |
10.00 |
4.63 |
including |
|
|
|
532.00 |
533.00 |
1.00 |
8.68 |
including |
|
|
|
533.00 |
534.00 |
1.00 |
4.02 |
including |
|
|
|
534.00 |
535.00 |
1.00 |
22.40 |
including |
|
|
|
535.00 |
536.00 |
1.00 |
0.04 |
including |
|
|
|
536.00 |
537.00 |
1.00 |
1.45 |
including |
|
|
|
537.00 |
538.00 |
1.00 |
1.89 |
including |
|
|
|
538.00 |
539.00 |
1.00 |
0.04 |
including |
|
|
|
539.00 |
540.00 |
1.00 |
2.14 |
including |
|
|
|
540.00 |
541.00 |
1.00 |
0.06 |
including |
|
|
|
541.00 |
542.00 |
1.00 |
5.61 |
Note: true widths have not been determined at this
time.
Photos accompanying this announcement are available at:
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https://www.globenewswire.com/NewsRoom/AttachmentNg/7439b052-3a43-49ad-862b-fa1de9b34ac5
https://www.globenewswire.com/NewsRoom/AttachmentNg/e3460065-ca69-4c06-a8f5-ad64b93ead18
https://www.globenewswire.com/NewsRoom/AttachmentNg/2b368d89-b10b-4574-b78d-b5aeaf592108
https://www.globenewswire.com/NewsRoom/AttachmentNg/ef69585f-674d-4ec6-9b52-013dfc9037ce
https://www.globenewswire.com/NewsRoom/AttachmentNg/ebd20806-9a72-4f39-8fc9-39e613ad4b20
https://www.globenewswire.com/NewsRoom/AttachmentNg/19be1c33-31e2-47bd-aab3-30be2bac1a98
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