New Gold-Silver Discovery on American Creek West
August 27 2019 - 10:32AM
Mountain Boy Minerals Ltd (“Mountain Boy” or the
“Company”) (TSX.V: MTB; Frankfurt: M9UA)
reports a new gold-silver discovery on its American Creek West
project, located in the Golden Triangle of British Columbia, 20 km
north of the deep-water port of Stewart, BC. The property spans 6
km of the highly prospective American Creek corridor and includes
the historic Mountain Boy Mine, a high-grade silver mine that last
operated in the 1930s.
Highlights:
- A rock sample from the new discovery assayed 8.4g/t gold and
903 g/t silver.
- 61 of 63 samples from the zone were anomalous in at least two
metals.
- The geological team is now refining targets in preparation for
initial drilling.
- Targets include:-- The new discovery;-- Extension of the
Mountain Boy mine;-- The Maybe vein system north of the mine that
has never been worked or drilled.
The Mountain Boy team has developed a new
geological model, based on a century of historic results and two
field seasons on the ground. It is now recognized that the
extensive mineralization in the area is related to an intermediate
sulfidation epithermal system. An intrusive body identified by the
MTB team near American Creek is believed to be the magmatic heat
source and the source of the metals. Geochronology and other
studies are on going to further characterize that intrusive.
The geological setting, style of mineralization,
nature of the intrusive body and the scale of the system has many
similarities to the Premier Camp, located immediately to the west.
The Premier Camp produced 2.5 million ounces of gold and 50 million
ounces of silver from 1918 to 1996.
The new discovery area, located west of the
Mountain Boy mine, was covered by glaciers during the early years
of exploration along American Creek and has not seen recorded work
in modern times. Guided by the emerging geological model, the team
mapped and sampled a prospective area that resulted in the new
discovery. Select sample results are presented in Table 1.
Table 1: Select rock samples.
Sample No |
TypeSam |
Ag(g/t) |
Cu(ppm) |
Pb(ppm) |
Zn(ppm) |
Au(ppb) |
KD19-155R |
grab |
903 |
214 |
>5000 |
7470 |
8440 |
LT19-139R |
float |
724 |
687 |
>5000 |
2670 |
16 |
LT19-162R |
grab |
292 |
38.7 |
1320 |
2620 |
526 |
LT19-161AR |
grab |
283 |
58.1 |
1060 |
3190 |
889 |
LT19-165R |
grab |
72.8 |
1880 |
>5000 |
30900 |
50 |
LT19-170R |
grab |
46.1 |
544 |
>5000 |
274 |
362 |
KD19-146R |
grab |
35 |
28.3 |
>5000 |
83100 |
3 |
LT19-155AR |
grab |
33.6 |
44.4 |
>5000 |
>100000 |
-2 |
AW19-045 |
grab |
24.2 |
29.7 |
944 |
1110 |
284 |
KD19-097BR |
grab |
23.3 |
471 |
>5000 |
55800 |
190 |
KD19-097R |
grab |
18.3 |
212 |
>5000 |
28800 |
184 |
AW19-025 |
float |
14.6 |
>10000 |
41.3 |
255 |
3490 |
KD19-158AR |
grab |
14.3 |
6 |
>5000 |
10300 |
15 |
LT19-166R |
grab |
7.58 |
23 |
1230 |
1950 |
23 |
LT19-103R |
proximal float |
5.26 |
4940 |
55.5 |
1560 |
48 |
KD19-080R |
float |
4.27 |
4400 |
19.2 |
605 |
139 |
LT19-114R |
grab |
3.1 |
154 |
1960 |
1310 |
24 |
KD19-147R |
grab |
2.79 |
7 |
2000 |
4950 |
-2 |
LT19-100AR |
proximal float |
2.08 |
4210 |
19.3 |
281 |
195 |
LT19-102R |
grab |
1.55 |
84.2 |
34.4 |
59300 |
101 |
LT19-099R |
proximal float |
0.86 |
20.3 |
63.2 |
7160 |
8 |
LT19-101R |
proximal float |
0.86 |
29.5 |
399 |
10000 |
-2 |
Note: Assays shown as > represent over limits, which are
currently being further analyzed. |
|
These samples are characterized by an ore
mineralogy suite that in part defines intermediate epithermal
deposits (Sillitoe and Hedenquist, 2003). Ore minerals, such as
acanthite, Ag-sulfosalts, low Fe sphalerite, galena,
tetrahedrite-tennantite and chalcopyrite were identified in the
field; the correlating assays to these samples exemplify the
poly-metallic nature of the prospect. In addition to the ore
mineralogy, several vein textures that further support the
intermediate epithermal model were observed, such as open space
filling textures, crustiform banding and carbonate replacement.
Lucia Theny, VP Exploration for Mountain Boy,
commented: “We have now collected abundant evidence in the field
for a mineralizing system adjacent to American Creek which
parallels and is distinct from the Premier system. The multitude of
occurrences, deposits and past-producing mines along both sides of
American Creek can now be explained in the context of this updated
geological model.”
Lawrence Roulston, CEO, noted: “The MTB
geological team have done a superb job of identifying the intrusive
body under American Creek and assembling and interpreting abundant
geological evidence to understand this area. The updated model has
enormous implications for on-going exploration. This new discovery
highlights the potential for further discoveries on our extensive
property.”
The technical disclosure in this release has
been read and approved by Andrew Wilkins, B.Sc., P.Geo., a
qualified person as defined in National Instrument 43-101.
On behalf of the Board of Directors:
Lawrence RoulstonPresident &
CEO(604) 914-2142
For further information, contact: Nancy
CurryVP Corporate
Development
(604)
220-2971
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) accepts responsibility for
the adequacy or accuracy of this release.
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