Includes 2.05 Mt at 19.32% ZnEq of Indicated
& 2.03 Mt at 20.61% ZnEq of Inferred Resources
THUNDER BAY, ON, Jan. 7, 2019 /CNW/ - Wolfden Resources
Corporation ("Wolfden" or the "Company") is
pleased to announce a Mineral Resource estimate for its 100%
owned Pickett Mountain high-grade zinc-lead-copper-silver massive
sulphide deposit ("the Deposit"), located in Penobscot County in north-eastern Maine, U.S.A. Although the previously released
mineral resources are correct and unchanged, at the request of
IIROC the Company has more clearly labeled two tables on page 2 of
the release that exhibit the sensitivity of various cut-off grades
on the calculated indicated and inferred mineral resources and
should not be confused with the mineral resource
statement.
Highlights
- Indicated Mineral Resource of 2.05 million tonnes at 9.88%
zinc, 3.93% lead, 1.38% copper, 101.58 g/t silver & 0.92 g/t
gold (19.32% ZnEq).
- Inferred Mineral Resource of 2.03 million tonnes at 10.98%
zinc, 4.35% lead, 1.20% copper, 111.45 g/t silver & 0.92 g/t
gold (20.61% ZnEq).
- Continued expansion and infill diamond drilling on the Deposit
has the potential to upgrade and expand the mineral resource.
- The resource estimate utilized up to hole PM-18-29 from the
2018 drill program that included 27 intersections. Hole 32, a
step-out in the West Lens, and hole 35, a step-out in the East
Lens, were subsequently completed following the cut-off date. Both
returned impressive intercepts of massive sulphides with assays
pending.
- A potential new mineralized lens situated 180 metres to the
North and parallel to the East Lens was discovered by hole 31,
where assay results are pending.
"This mineral resource estimate supports our belief that Pickett
Mtn. is one of the highest-grade undeveloped massive sulphide (VMS)
deposits in the base-metal sector in North America", stated Don Hoy, Senior Vice President of Exploration
for Wolfden. "Our goal is to further upgrade and expand the
resource while we consider various scenarios that could be used to
develop a mining operation on the project. These types of
deposits often occur in clusters and future exploration will test
for additional satellite massive sulphide lenses that could occur
elsewhere on the property and in the large prospective volcanic
belt that hosts the Pickett Mtn. deposit. The past producing
Buchan's mine in Nfld., another VMS deposit which occurs within the
same Appalachian orogenic belt as Pickett Mtn., produced 16.2
million tonnes of ore from five lenses, that averaged 14.5% zinc,
7.6% lead, 1.3% copper, and 126 g/t silver and 1.4 g/t gold over 58
years and was one of the highest grade base metal camps in Canadian
history."
The estimate was completed utilizing data from 70 historic drill
holes completed by Getty and Chevron during the period of 1981 to
1985 and 27 recent drill holes completed by Wolfden over the last
year and utilized wireframe models created by Gems 3D modelling
software. The wireframes were then imported into Hexagon/MineSight
software and validated. The resulting geological model and estimate
will form the basis for further infill and expansion drilling and
assist in prioritizing regional exploration targets. Much of the
drilling to date has been at a spacing (+50
m) that is not quite tight enough to allow for measured and
indicated resources. There remains a significant opportunity
to upgrade the resource with infill drilling and confirming the
optimal drill spacing via a test pattern program. The recent
deep drilling results (+600 m depth)
exhibited some exceptionally high grades and thereby underscores
the potential to further expand resources at depth.
The Mineral Resource Estimate
The Mineral Resource estimate has been prepared, supervised and
reviewed by Independent qualified persons ("QP") Finley Bakker, P. Geo., Jerry Grant, P.Geo., Brian LeBlanc, P. Eng., of A-Z Mining
Consultants and has an effective date of January 7, 2019. The estimate also included the
input and review of Andre Labonte, a
resource technician. The technical report to be authored by
A-Z Mining Consultants, as prescribed by National Instrument
43-101, Standards of Disclosure for Mineral Projects, will be
posted on Wolfden's website and SEDAR within 45 days from the date
of this news release. The Mineral Resource estimate was classified
into indicated and inferred categories in accordance with CIM
Definition Standards on Mineral Resources and Reserves adopted by
the CIM Council on May 10, 2014.
January 7, 2019
Mineral Resource Statement
|
Category
|
Tonnes
|
%
Zn
|
%
Pb
|
%
Cu
|
g/t
Ag
|
g/t
Au
|
Density
|
%
ZnEq
|
Indicated
|
2,050,000
|
9.88
|
3.93
|
1.38
|
101.58
|
0.92
|
3.99
|
19.32
|
Inferred
|
2,030,000
|
10.98
|
4.35
|
1.20
|
111.45
|
0.92
|
4.00
|
20.61
|
A number of potential cut-off grades for Zinc Equivalent were
calculated for each resource category as represented in the
sensitivity tables below. The tonnage and grade are robust over the
intervals chosen. A 9% Zinc Equivalent cut-off was considered to be
conservative until further technical studies have been
completed.
SENSITIVITY TO
CUT-OFF GRADES - INDICATED MINERAL RESOURCE - January 7,
2019
|
% ZnEq Cut-off
Grade
|
Tonnes
|
%
Zn
|
%
Pb
|
%
Cu
|
g/t
Ag
|
g/t
Au
|
Density
|
%
ZnEq
|
3% ZnEq
|
3,970,000
|
6.03
|
2.38
|
1.02
|
65.39
|
0.68
|
4.02
|
12.39
|
5% ZnEq
|
2,820,000
|
7.89
|
3.12
|
1.21
|
83.61
|
0.81
|
4.00
|
15.79
|
7% ZnEq
|
2,320,000
|
9.11
|
3.62
|
1.32
|
95.04
|
0.88
|
3.98
|
17.99
|
9% ZnEq
|
2,050,000
|
9.88
|
3.93
|
1.38
|
101.58
|
0.92
|
3.99
|
19.32
|
11% ZnEq
|
1,770,000
|
10.77
|
4.29
|
1.41
|
109.32
|
0.96
|
4.00
|
20.79
|
SENSITIVITY TO
CUT-OFF GRADES - INFERRED MINERAL RESOURCE - January 7,
2019
|
% ZnEq Cut-off
Grade
|
Tonnes
|
%
Zn
|
%
Pb
|
%
Cu
|
g/t
Ag
|
g/t
Au
|
Density
|
%
ZnEq
|
3% ZnEq
|
4,020,000
|
6.59
|
2.58
|
0.94
|
69.91
|
0.68
|
4.03
|
13.03
|
5% ZnEq
|
2,980,000
|
8.35
|
3.29
|
1.06
|
87.12
|
0.79
|
4.01
|
16.14
|
7% ZnEq
|
2,450,000
|
9.67
|
3.83
|
1.15
|
99.99
|
0.86
|
4.00
|
18.43
|
9% ZnEq
|
2,030,000
|
10.98
|
4.35
|
1.20
|
111.45
|
0.92
|
4.00
|
20.61
|
11% ZnEq
|
1,740,000
|
12.06
|
4.77
|
1.24
|
121.42
|
0.97
|
4.00
|
22.39
|
Mineral Resource Estimate Parameters and Assumptions
- Mineral Resources are not Mineral Reserves and do not have
demonstrated economic viability. There is no certainty that all or
any part of the Mineral Resources will be converted into Mineral
Reserves.
- Resources are presented as undiluted and in-situ for an
underground mining scenario and are considered to have reasonable
prospects for economic extraction.
- The metal prices used to determine Zinc Equivalent (ZnEq)
grades were US$1.20/pound for zinc,
US$1.00/pound for lead, US$2.50/pound for copper, US$16.00/troy ounce for silver, and US$1200/troy ounce for gold. The base case
utilized a calculated cut-off grade of 9.00% ZnEq.
- Indicated Resources were estimated using a maximum distance of
25 metres from a drill hole and meeting a single hole minimum.
- Inferred Resources were estimated utilizing a no hole minimum
and using a minimum of 25 metres and maximum of 200 metres from a
drill hole.
- The MRE encompasses 3 mineralized massive sulphide lenses.
- A total of 148 drill holes comprise the database including 2550
samples; of these 940 samples were utilized in the estimate.
- Grade capping was not utilized as it was noted that the general
uniformity of grade was fairly consistent with no significant
outliers in the assay results.
- The specific gravities used in the MRE were based on a total of
253 physically measured specific gravities within the mineralized
lenses.
- Wolfden is not aware of any legal, political, environmental or
other risks that could materially affect the potential development
of the mineral resources.
Exploration Target
Based on the current geological model, an exploration target for
the Pickett Mtn. deposit is in the 8 to 10 million-tonne range at a
grade of 12 to 20% ZnEq. This target is derived from the
interpretation of the drilling, surface geology and structure, as
well as from sampling carried out in the locale of the
deposit. The potential quantity and grade of an exploration
target are conceptual in nature. There has been insufficient
exploration to define a mineral resource of this size and it is
uncertain if further exploration will result in the exploration
target being delineated as a mineral resource of this
magnitude.
Future Work
Exploration in 2019 will focus on the continued expansion and
upgrading of the deposit that remains open at depth and where
folding may lead to the discovery of additional massive sulphide
lenses. Down-hole EM surveying will be utilized to assist in
targeting possible extensions of the known and recently discovered
massive sulphide lenses. Additional testing of the recently
discovered footwall lens (north of the East Lens) and other
regional targets could further expand the mineral resource. In
order to upgrade the inferred resource, a limited infill drill
program with a 25 m by 25 m pattern is required to confirm if the
current 50 by 50 meter drill pattern is sufficient.
Quality Assurance / Quality Control
Wolfden adheres to strict Quality Assurance and Quality Control
protocols including routine insertion of blanks and certified
reference standards in each sample batch of drill core that is sent
to the lab for analyses. Drill core samples are split in half using
a diamond saw with one half saved for reference and the other half
shipped via secure transport to Activation Laboratories sample
preparation facility in Fredericton, New Brunswick. Core samples
are analyzed for zinc, lead and copper utilizing sodium peroxide
fusion, acid dissolution followed by ICP-OES (Code 8). Gold is
analyzed by fire assay (30 g) utilizing AA finish (Code 1A2) and
samples with over 5 g/t are analyzed by fire assay with gravimetric
finish (Code 1A3). Silver is analyzed by fire assay with
gravimetric finish (Code 8-Ag).
The information in this news release has been reviewed and
approved by Finley Bakker, P. Geo.,
Jerry Grant, P.Geo., Brian LeBlanc, P. Eng., of A-Z Mining
Consultants, Don Hoy, P. Geo., SVP
Exploration and Ron Little P. Eng.,
President and CEO, who are Qualified Persons' under National
Instrument 43-101.
About Wolfden
Wolfden is a Canadian Exploration and Development
Company focused on advancing high-quality polymetallic
projects in Canada and it's
high-grade (Zn, Pb, Cu, Ag) VMS Pickett Mtn. Project in
Maine, USA. Pickett Mtn.
consists of a 100% ownership in a 6,800 acre property, close to
excellent infrastructure, that includes the land, all access and
rights to minerals and timber without any historic or aboriginal
encumbrances. The Company plans to complete sufficient
exploration, definition drilling and various technical studies in
order to demonstrate the economic potential for an underground
mining scenario on the Project.
Cautionary Statement Regarding Forward-Looking
Information
This news release contains certain information that may
constitute forward-looking information or forward-looking
statements under applicable Canadian and United States securities legislation
(collectively, "forward-looking information"), including but not
limited to information about future activities at the Pickett
Mountain Project that include: the timing and
completion of future studies including those related to mining
scenarios; the timing of future infill, expansion and exploration
drill programs; the potential to discover other lenses or
mineralization on the Project either locally or regionally based on
all information gathered to date; the potential to significantly
expand and upgrade the resource; the timing and work required to
verify the conceptual exploration target; and the scope of and the
anticipated effect of the 2017 mining legislation in Maine. This forward-looking information
entails various risks and uncertainties that are based on current
expectations and actual results may differ materially from those
contained in such information. These uncertainties and risks
include, but are not limited to, the strength of the global
economy; the price of base metals and minerals generally;
operational, funding and liquidity risks; the degree to which
mineral resource estimates are reflective of actual mineral
resources; the degree to which factors which would make an
underground mineral deposit commercially viable are present; the
risks and hazards associated with mineral exploration and mining
operations; and the ability of Wolfden to fund its substantial
capital requirements and operations. Risks and uncertainties about
the Company's business are more fully discussed in the Company's
disclosure materials filed with the securities regulatory
authorities in Canada available at
www.sedar.com. Readers are urged to read these materials. Wolfden
assumes no obligation to update any forward-looking information or
to update the reasons why actual results could differ from such
information unless required by law.
Neither TSX Venture Exchange nor its Regulation Services
Provider (as that term is defined in policies of the TSX Venture
Exchange) accepts responsibility for the adequacy or accuracy of
this release.
SOURCE Wolfden Resources Corporation