Metallic Minerals Corp. (TSX-V: MMG; US OTC:
MMNGF) (“Metallic Minerals” or the “Company”) is pleased
to provide a comprehensive update on its Keno Silver project as the
first of a series of news releases covering its property packages
within the East, Central and West Keno Hill Silver District,
directly adjoining Alexco Resource Corp’s (“Alexco”) operations, in
the Yukon Territory of Canada.
The Keno Hill Silver District is recognized as
one of the world’s highest-grade producers of silver with over 300
million ounces of past production and current Measured and
Indicated resources1,2. The district remains highly-prospective, as
demonstrated by the number of recent major discoveries and the
quality of those deposits.
This first news release of the series focuses on
the East Keno target area, which covers the eastern-most 12 km of
the 35 km long Keno Hill Silver District and is the least explored
part of the prolific district. Results of on-going compilation and
synthesis of historic exploration data along with results from 2018
exploration have confirmed:
- The presence of significant Keno-style silver mineralization,
including eight separate multi-kilometer targets with
highly-elevated silver, lead and zinc in soils and multiple
high-grade rock samples over 1,000 g/t silver; and
- Large areas and thicknesses of Keno Hill quartzite and
greenstones, the most important host rocks for the largest deposits
in the district, within these target areas, creating the settings
for potential large Keno-type silver-lead-zinc deposits similar to
those in the more developed West and Central parts of the
district.
Greg Johnson, President and CEO, commented, “We
are pleased to report the results of our on-going compilation and
synthesis of historic and recent exploration, along with the
results covering the East Keno Hill Silver District. Over the past
several months the Company has been developing and refining its 3D
geologic model of the district to aid in the continued exploration
for Keno-type deposits along recognized major structural corridors.
In addition, the Company is completing new processing and
interpretation of airborne resistivity and magnetic data over the
project area, including integration of remote sensing data. This
aims to highlight hydrothermal alteration signatures and important
structural corridors, particularly in the less explored but
highly-prospective parts of the district.”
“Significant advancement in understanding of the
key controls to mineralization in the Keno Hill Silver District
have been made over the past ten years. Alexco’s exploration team
were recently recognized by the Association for Mineral Exploration
(AME) for their outstanding work leading to the recent discovery
and definition of more than 60 million ounces of silver at the
Flame & Moth and Bermingham deposits. By building on this
successful systematic approach to exploration in the district,
Metallic Minerals looks to rapidly develop additional high-quality
targets for drill testing and advancement toward resource
development on its holdings. Over the past 2½ years, the Company
has consolidated the second largest land position in the district
adjacent to Alexco and has developed five large-scale targets for
drill testing along with advancing ten priority
multi-kilometer-scale early-stage targets to a target definition
stage. The recent release of the updated feasibility work by Alexco
demonstrates the exceptional economics that can be realized with
these shallow, high-grade, silver deposits in the Keno Hill Silver
District, supported by existing power and access infrastructure.
Based on the shallow depth of past production, the track record of
recent major discoveries, and the remaining area of prospective
under-explored geology, we believe the Keno Hill Silver District
has the potential to become a world-class silver district in terms
of metal endowment and grades. The East Keno target area shows
excellent potential for new discoveries and will be an important
priority area of focus and follow up work for exploration in 2019.
We look forward to providing several additional news releases on
the Central and West Keno Hill results including on our exploration
plans for 2019.”
The East Keno Hill District was recognized as
far back as the 1960s as having the same potential geologic and
structural setting as more developed parts of the district.
Compared to the West Keno Hill District (comprising the Bermingham,
Elsa and Husky trends with 220 million ounces of past silver
production plus current M&I resources), and the Central Keno
Hill District (comprising the Flame & Moth, Lucky Queen and
Keno Summit trends with 104 million ounces)1, the East Keno Hill
Silver District is virtually untested outside of small-scale,
high-grade historic mining at the Faith and Cobalt Hill targets.
Importantly, there has been no drilling east of the Caribou and
Homestake historic mine areas (see Figure 1 below).
East Keno often has greater soil and vegetative
cover, due to its lower elevations than other parts of the
district, which limited historic prospecting in the area. However,
modern exploration work shows that extensive parts of the East Keno
Hill District are mapped as Keno Hill quartzite - the host rock for
the largest deposits in the district - at an estimated 1 to 1.5 km
in stratigraphic thickness. This large thickness of
highly-prospective stratigraphy, along with identified significant
structures from geophysics and surface sampling, suggests the
potential for structural windows that could be comparable in
thickness to the large, Bermingham and Hector-Calumet systems.
Figure 1: Keno
Hill Silver District
– Geology and Deposits
A photo accompanying this announcement is available at
http://www.globenewswire.com/NewsRoom/AttachmentNg/8242a0ef-eb82-408d-91ae-b5c7106ddbb6
The geographic footprint of the largest deposits
in the district including Bermingham, Flame & Moth, and the
Keno Hill mine are approximately 1 km to 1.5 km in strike length.
The significance of each of Metallic’s 8 newly-identified soil
anomalies is that they show individual target areas from 1 km to 3
km in length with 1 to 10 grams-per-tonne (“g/t”) silver equivalent
(“Ag Eq.”) grades (see Table 1 below), suggesting the potential for
numerous significant mineralized systems in the area.
Rock sampling from these targets shows
high-grade Keno-type values of up to 1,815 g/t Ag (5,549 g/t Ag
Eq.) in rock chip sampling and 2,880 g/t Ag and 4,144 g/t Ag Eq. in
rock grab samples, with 13 individual samples reporting over 1,000
g/t Ag Eq. and 19 at over 500 g/t Ag Eq. mineralization, including
significant lead and zinc, along with variable gold values.
To assess these early stage projects, work
during the 2018 field season consisted of reconnaissance mapping,
soil and rock sampling and limited small-scale excavator trenching.
In addition to soil, rock sampling and mapping on these priority
early stage targets, airborne geophysics and remote sensing have
identified a series of structural corridors and hydrothermal
alteration signatures for follow up exploration and target
refinement.
East Keno Soil
Sampling
A total of 2,220 soil samples were collected
during the 2018 field season in the East Keno target area from
grids and contour sampling at Beauvette, Cobalt West, Cobalt Hill,
McMillan, Fox/UKHM, McKim Creek and North Granite. Soil samples
were analyzed by XRF and 36-element ICP. XRF results were directly
compared to lab results both in 2017 and 2018 to develop comparable
correlations. Soil grid sizes and sample spacing varied, depending
on whether the samples were offsetting identified mineralization or
were reconnaissance in previously unsampled areas. Several grids
showed significant anomalies that all remain open to expansion with
silver in soil grades up to 4.6 g/t and Ag Eq. grades up to 10
g/t.
Figure
2: Keno Silver Project – East Keno Target
Area
A photo accompanying this announcement is available at
http://www.globenewswire.com/NewsRoom/AttachmentNg/c74fa735-87d7-4623-b3d8-00d47578628c
East Keno Rock
Sampling
A total of 235 rock samples were collected
during the 2018 field season. Highlights from 2018 and historic
rock sampling at the key target areas of the East Keno area are
shown in Table 1 below. Sample grades above 100 g/t Ag, 10% Pb and
200 g/t Ag Eq are bolded as significant anomalous reconnaissance
values.
A significant number of the higher-grade samples
come from the Cobalt area where several trenches exposed the Cobalt
vein over a strike length of several hundred meters. These samples
demonstrate high-grade silver and lead, of similar tenor to the
historic mines and current resources in the Central and West parts
of the Keno Hill Silver District.
Table
1: Rock Sample results from East
Keno, Keno Silver Project
Target |
Sample No. |
Type |
Ag (g/t) |
Pb (%) |
Zn (%) |
Au (g/t) |
Ag Eq (g/t) |
Cobalt Hill |
1498985 |
Chip |
1815 |
78.6 |
0.4 |
0.01 |
5549 |
Cobalt Hill |
1499951 |
Chip |
1188 |
78.2 |
0.3 |
0.01 |
4898 |
Cobalt Hill |
1499956 |
Chip |
865 |
71.4 |
0.1 |
0.01 |
4241 |
Cobalt Hill |
7R54549 |
Grab |
1743 |
42.0 |
0.2 |
0.02 |
3736 |
Cobalt Hill |
7R54546 |
Grab |
1381 |
48.6 |
0.7 |
0.02 |
3715 |
Cobalt Hill |
1499983 |
Chip |
984 |
55.6 |
0.2 |
0.04 |
3618 |
Cobalt Hill |
7R54548 |
Grab |
904 |
47.5 |
7.5 |
0.03 |
3549 |
Cobalt Hill |
1498981 |
Chip |
816 |
45.9 |
0.7 |
0.00 |
3022 |
Cobalt Hill |
1496328 |
Grab |
609 |
45.4 |
0.1 |
0.00 |
2760 |
Cobalt Hill |
1497169 |
Chip |
778 |
30.3 |
0.3 |
0.01 |
2221 |
Cobalt Hill |
7R54547 |
Grab |
396 |
22.5 |
2.1 |
0.04 |
1575 |
Cobalt Hill |
7R54550 |
Grab |
364 |
14.9 |
0.7 |
0.00 |
1107 |
Cobalt Hill |
1498971 |
Grab |
140 |
16.0 |
0.1 |
0.00 |
900 |
Cobalt Hill |
1498987 |
Chip |
95.2 |
4.3 |
0.2 |
0.01 |
309 |
Cobalt Hill |
1498989 |
Chip |
124 |
3.1 |
0.2 |
0.00 |
279 |
Cobalt Hill |
1498991 |
Chip |
162 |
1.7 |
0.1 |
0.00 |
253 |
Cobalt Hill |
56832 |
Grab |
100 |
1.0 |
1.0 |
0.04 |
208 |
Cobalt Hill |
56820 |
Grab |
100 |
1.0 |
1.0 |
0.01 |
207 |
Cobalt Hill |
56830 |
Grab |
100 |
1.0 |
0.8 |
0.08 |
200 |
Cobalt Hill |
1499984 |
Chip |
50.4 |
3.0 |
0.1 |
0.00 |
198 |
Cobalt Hill |
56831 |
Grab |
73.7 |
1.0 |
1.0 |
0.01 |
177 |
Cobalt Hill |
1497168 |
Chip |
55.9 |
0.6 |
1.2 |
0.01 |
154 |
McMillan |
E526191 |
Grab |
2668 |
28.5 |
0.0 |
1.67 |
4144 |
McMillan |
E526192 |
Grab |
584 |
6.3 |
0.3 |
0.55 |
940 |
McMillan |
E526111 |
Grab |
18.2 |
0.1 |
0.0 |
9.50 |
764 |
McMillan |
583857 |
Chip |
462 |
3.2 |
0.1 |
0.57 |
664 |
Fox/UKHM |
I357309 |
Grab |
305 |
0.0 |
12.6 |
0.01 |
987 |
Fox/UKHM |
I079198 |
Chip |
276 |
0.0 |
10.0 |
0.01 |
821 |
Cobalt Hill and Cobalt
West
The Cobalt Hill area hosts one of two historic
producing mines in the East Keno area and, with high silver grades
up to 1,743 g/t silver, it is an important target of interest. The
property was originally staked in 1922 and saw 5 tonnes of
production in 1940s from a small adit. The grade of the processed
tonnage was reported as 2,021 g/t Ag and 80% Pb. In 2018, 150
metres of trenching was completed at the Cobalt target area with
the goal of defining and extending the known trace of the Cobalt
vein system further to the south. Combined trenching and mapping
demonstrated that the Cobalt vein exposures can exist in multiple
sets of subparallel veins spaced 2-5 meters apart in a
north-northwest orientation over 200 m of intermittent exposure.
Surface samples from the trench show high grade silver and lead up
to 1,815 g/t Ag and 78.6% Pb respectively. Soil sampling on the 800
x 600 m grid was completed in 2018 and outlined three parallel
anomalous zones of coincident Ag, Pb, Zn, and Cu anomalies. The
largest anomaly is 1,000 m by 200 m and is in an area of broad
surficial and vegetative cover with limited outcrop and no vein
exposures found to date. A second anomaly is 500 m by 200 m and
centered in the area of historically identified vein structures at
Cobalt Hill. Both anomalies remain open to expansion and follow up
work is planned in 2019.
Approximately 2 km west of Cobalt Hill, work in
2018 identified a new area of highly anomalous values in soil
called Cobalt West. This new discovery is in an
area with heavy soil and vegetation cover and is defined by a 1.75
km by 500 m anomaly with results up to 10 g/t Ag Eq in soils.
Follow up work is planned for 2019 to better define potential
source areas for the anomaly and to expand the existing grid.
Fox and UKHM
The Fox and UKHM target areas are centrally
located in the East Keno area, and host one of the largest new soil
anomalies defined during the 2018 field season covering an area of
3.2 km by up to 1.5 km. Limited surface showings in outcrops were
sampled and returned values up to 305 g/t Ag (987 g/t Ag Eq). The
soil anomaly is further supported by a significant magnetic
geophysical signature suggesting the presence of a major structural
zone. Anomalous soil geochemistry is largely coincident with an
interpreted NE-trending fault with silver equivalent values up to
10 g/t in soils. The area was originally recognized in the 1960s by
Alexco’s predecessor in the district, United Keno Hill Mines
(UKHM), who completed soil and rock sampling that returned
significant high-grade silver and base metal values. Metallic
Minerals has recently acquired this historic soil sampling
information in the East Keno area and has integrated it into the
project database to help guide additional sampling. The anomalies
remain open to expansion particularly to the west where historic
sampling by UKHM indicates the presence of additional highly
elevated values in soils up to a kilometer from the main anomaly.
Follow up work is planned for this target area in 2019 with
potential to rapidly move to drill testing.
McMillan
Metallic Minerals completed prospecting and soil
sampling in 2018 at the McMillan target area and successfully
identified three veins coincident with geochemical anomalies. This
work relocated historic veins, improved mapping coverage and
completed additional soil sampling expanding on historic work. The
northeast trending veins (No. 25, No. 3 and No. 4) showed high
silver, gold and lead values. Sampling from the No. 4 vein returned
grades to 2,668 g/t silver, 1.67 g/t gold and 28.5% lead across the
vein. Another sample reported 9.5 g/t gold and 18 g/t silver with
low base metal values. Work in 2018 resulted in the discovery of a
1.0 m wide vein structure grading 462 g/t silver and 3.62% lead
thought to be the extension of the McMillan No. 4 vein. Numerous
mineralized rock samples suggest an approximate exposed strike
length of at least 170 m for that vein. Combined with the historic
sampling the greater McMillan area is defined as a large anomaly of
more than 3 km long and up to 2 km wide. Follow up work will focus
on mapping the projections of the collective vein system and
completing additional soil sampling to determine the ultimate
footprint of the surface exposure for the mineralized system.
Beauvette
The Beauvette target area, named after the
prospector who staked the first claims on the top of Keno Hill in
1919, is on-trend with several highly prospective vein systems
representing the eastern continuation of the intensely mineralized
Keno summit area. These include the Bema #1 vein, the Alice vein,
Silver Basin veins, the Faith veins and others. It is adjacent to
the Avenue target, a possible extension of the Bema #1 vein, is
represented by a narrow Ag-Pb vein in quartzite and phyllite that
is intermittently exposed over a strike length of 1.2 km. Sampling
in 2016 in the Beauvette area resulted in the discovery of a new
vein showing at a quartzite and greenstone contact which returned
silver grades to 50 g/t Ag. The area has seen only limited historic
work, mostly focused on the area by the adjacent Avenue prospect.
The area is dominated geologically by a thick package of tabular
greenstones which have intruded the Earn Group schists. The
Historic Sadie-Ladue Mine, 7 km due west on the other side of Keno
Hill, was hosted in a similar greenstone environment and produced
over 12.7 million ounces with some of the highest grades in the
district2. During 2018 soil samples were collected following
contours over the Beauvette area resulting in two intersecting
anomalies including a 1.4 km by 200 m long NE trending silver-lead
anomaly which joins a NW trending 500 m long by 150 m wide anomaly.
These anomalies are supported by features from the airborne SkyTEM
resistivity survey. The 2018 soil sampling program was conducted on
contour lines at a wide spacing, with the anomalies are open to
expansion in three directions. Follow up work is planned in 2019 to
better define and determine the ultimate size of the anomalous
areas.
McKim Creek and North
Granite
The McKim Creek and North Granite target areas
are largely defined by reconnaissance contour and ridgeline
sampling. The broad spaced samples define at least 4 distinct
anomalies at McKim Creek and 2 linear anomalies at North granite.
The McKim Creek Anomalies range from 1.75 km by 500 m to 500 m by
150 m. With more complete sampling it may be demonstrated that the
most northerly two McKim Creek anomalies are directly related to
the southern extension of the Fox/UKHM area anomaly extending the
overall of that anomaly to over 5 km. The North Granite area’s
largest anomaly is approximately 1.4 km in length and completely
open to expansion. Additional soil sampling is planned to extend
and better define these anomalies in future programs.
Next Steps on East
Keno
The Company is very encouraged by the results to
date at the East Keno target area where work in the least explored
part of the Keno Hill Silver District has demonstrated the presence
of significant Keno-style silver mineralization. Each of the above
target areas shows the scale potential at surface similar to the
largest deposits in the district at 1 km to 3 km in length. Ongoing
work will continue to build on the results from 2018 and add to the
high-quality targets Metallic Minerals is advancing in the more
developed central and western parts of the district. The Company is
working to complete an updated 3D geologic model of the district,
with the combination of the ongoing processing and interpretation
of the airborne resistivity and magnetic data over the project area
together with the integration of remote sensing data to highlight
hydrothermal alteration signatures. This work will drive detailed
planning of exploration programs in 2019 in the East Keno target
area that will focus on advancing these early-stage targets to a
drill-ready status in parallel with work at the Company’s more
advanced targets. We look forward to providing several additional
news releases on the Central and West Keno Hill results including
on our exploration plans for 2019.
References
- Keno Hill Silver District Pre-Feasibility Study Overview, dated
March 29, 2018
- Cathro, R. J. (Bob). Great Mining Camps of Canada 1. The
History and Geology of the Keno Hill Silver Camp, Yukon Territory.
Geoscience Canada, [S.l.], Sept. 2006. ISSN 1911-4850
About Metallic Minerals
Corp.
Metallic Minerals Corp. is a growth stage
exploration company, focused on the acquisition & development
of high-grade silver and gold in under-explored districts of
mining-friendly jurisdictions proven to produce top-tier assets.
Our objective is to create value through a systematic,
entrepreneurial approach to exploration. The Company’s core Keno
Silver project is located in the historic Keno Hill Silver District
of Canada's Yukon Territory, with over 300 million ounces of
high-grade silver in past production and current M&I resources,
and excellent existing infrastructure, including grid power,
highway and road access. Metallic Minerals is led by a team with a
track record of discovery and exploration success as well as,
having large scale development, permitting and project financing
expertise.
About the Metallic Group of
Companies
The Metallic Group is a collaboration of leading
precious and base metals exploration companies, with a portfolio of
large, brownfields assets in established mining districts adjacent
to some of the industry’s highest-grade producers of silver,
platinum & palladium, and copper. Member companies include
Metallic Minerals in the Yukon’s Keno Hill Silver District, Group
Ten Metals in the Stillwater PGM-Ni-Cu District of Montana, and
Granite Creek Copper in the Yukon’s Carmacks Copper District. The
founders and team members of the Metallic Group include highly
successful explorationists formerly with some of the industry’s
leading explorer/developers and major producers and are undertaking
a systematic approach to exploration using new models and
technologies to facilitate discoveries in these proven historic
mining districts. The Metallic Group is headquartered in Vancouver,
BC, Canada and its member companies are listed on the Toronto
Venture, US OTC, and Frankfurt stock exchanges.
FOR FURTHER INFORMATION, PLEASE CONTACT:
Website: www.metallic-minerals.comEmail:
chris.ackerman@metallic-minerals.comPhone: 604-629-7800Toll Free:
1-888-570-4420
Quality Assurance / Quality
Control
All samples were assayed by 36 Element Aqua
Regia Digestion ICP-MS methods at Bureau Veritas labs in Vancouver.
Analytical work in 2017 was done by Bureau Veritas Commodities
Canada Ltd. with sample preparation in Whitehorse, Yukon and
geochemical analysis in Vancouver, British Columbia. Each rock
(grab) sample was analyzed for 36 elements using an Aqua Regia
digestion with inductively coupled plasma-atomic emission
spectroscopy (ICP-AES) and inductively coupled Plasma-mass
spectrometry (ICP-MS) (AQ202). Samples with over limit silver and
gold were re-analyzed using a 30-gram fire assay fusion with a
gravimetric finish (FA530-Ag, Au). Over-limit lead and zinc samples
were analyzed by multi-acid digestion and atomic absorption
spectrometry (MA404) or titration (GC516, GC8917). All results have
passed the QAQC screening by the lab.
Qualified Person
Scott Petsel, P.Geo, Vice President, Exploration
and an employee of Metallic Minerals Corp., is a Qualified Person
as defined by National Instrument 43-101. Mr. Petsel has reviewed
the scientific and technical information in this news release and
approves the disclosure contained herein. Mr. Petsel has reviewed
the results of the sampling program and confirmed that all
procedures, protocols and methodologies used in the drill program
conform to industry standards.
Forward-Looking Statements
Forward Looking Statements: This news release
includes certain statements that may be deemed "forward-looking
statements". All statements in this release, other than statements
of historical facts including, without limitation, statements
regarding potential mineralization, historic production, estimation
of mineral resources, the realization of mineral resource
estimates, interpretation of prior exploration and potential
exploration results, the timing and success of exploration
activities generally, the timing and results of future resource
estimates, permitting time lines, metal prices and currency
exchange rates, availability of capital, government regulation of
exploration operations, environmental risks, reclamation, title,
and future plans and objectives of the company are forward-looking
statements that involve various risks and uncertainties. Although
Metallic Minerals believes the expectations expressed in such
forward-looking statements are based on reasonable assumptions,
such statements are not guarantees of future performance and actual
results or developments may differ materially from those in the
forward-looking statements. Forward-looking statements are based on
a number of material factors and assumptions. Factors that could
cause actual results to differ materially from those in
forward-looking statements include failure to obtain necessary
approvals, unsuccessful exploration results, changes in project
parameters as plans continue to be refined, results of future
resource estimates, future metal prices, availability of capital
and financing on acceptable terms, general economic, market or
business conditions, risks associated with regulatory changes,
defects in title, availability of personnel, materials and
equipment on a timely basis, accidents or equipment breakdowns,
uninsured risks, delays in receiving government approvals,
unanticipated environmental impacts on operations and costs to
remedy same, and other exploration or other risks detailed herein
and from time to time in the filings made by the companies with
securities regulators. Readers are cautioned that mineral resources
that are not mineral reserves do not have demonstrated economic
viability. Mineral exploration and development of mines is an
inherently risky business. Accordingly, the actual events may
differ materially from those projected in the forward-looking
statements. For more information on Metallic Minerals and the risks
and challenges of their businesses, investors should review their
annual filings that are available at www.sedar.com.
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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