Power Metals Announces Assays Up To 4.43% Li2O From Paterson Lake Mapping Program
Power Metals Announces Assays Up To 4.43% Li2O From Paterson
Lake Mapping Program
VANCOUVER
,
July 30, 2018
/CNW/ -
Power Metals Corp.
("
Power Metals Corp.
" or the "
Company
") (TSX VENTURE:PWM)
(FRANKFURT:OAA1)(OTC:PWRMF) is pleased to announce that geological mapping at Paterson Lake, 60 km north of
Kenora
, northwestern
Ontario
successfully identified high-grade Lithium (Li) and high-grade Tantalum (Ta) mineralization. The geological mapping program also identified
three target areas for follow up exploration:
Western extension of Marko's Pegmatite
Rhea's Pegmatite
Cook's Pegmatite
Paterson Lake grab sample assay highlights from the western extension of Marko's Pegmatite include (Table 1 and Figure 1 and 2):
Three pure petalite samples (159037, 159201, 159222) with 4.43, 4.17 and 3.90 % Li
2
O
Two petalite dominate samples (159217, 159038) with 3.62 and 3.36 % Li
2
O
Sample 159218 with abundant petalite with 1.57 % Li
2
O
Petalite is an ore mineral of Lithium. Petalite (LiAlSi
4
O
10
) is the high temperature lithium aluminosilicate whereas spodumene (LiAlSi
2
O
6
) is the low
temperature/high pressure lithium aluminosilicate.
In addition to Lithium, the western extension of Marko's pegmatite grab samples are also enriched in extremely high-grade Tantalum (Ta) and
Cesium (Cs) with:
Sample 159219 with 1236 ppm Ta and 2473 ppm Cs
Sample 159221 with 725 ppm Ta and 472 ppm Cs.
Dr. Selway, VP of Exploration, stated "Paterson Lake Property has so many known pegmatites. I am ecstatic that our due diligence mapping has
confirmed the presence of petalite and identified three target areas for exploration follow up. Both the lithium and tantalum grades are extremely
high and this gives us great confidence following up these assays with a drill program. Exploration activities on the Paterson Lake Property are
ongoing."
The western extension of Marko's pegmatite's grab samples were collected between Marko's petalite pegmatite outcrop to the east and the J-
series petalite pegmatite to the west. The grab samples are up to
260 m
west of the historically known Marko's pegmatite outcrop. Historical
mapping has shown that the Marko's pegmatite occurs along the contact between mafic metavolcanics, gabbro and iron formation. Power Metals
grab sampling found the petalite pegmatite samples along strike of Marko's pegmatite along the same lithology contact. Historical mapping has
shown that the Marko's pegmatite has a central core of petalite surrounded by blocky pegmatite which hosts Ta-oxide mineralization.
In 2002, historical drilling indicated that the Marko's pegmatite was
170 m
long and made up of 2 to
12 m
wide boudinaged lenses. The 2002
drilling also intersected North Marko's pegmatite, a 10 to
30 m
wide pegmatite dyke, parallel to Marko's pegmatite with an unknown strike length.
This historical drilling did not test the western extension of the Marko's pegmatite. Since Power Metals Li-rich grab samples are along strike of the
Marko's pegmatite and North Marko's pegmatite, there is an excellent potential for the Marko's pegmatite to extend westward.
Figure 1 Grab sample 159037 of pure petalite from the western extension of Marko's pegmatite, Paterson Lake Property,
Ontario
.
Paterson Lake grab sample assay highlights from Rhea's pegmatite include (Table 1 and Figure 2):
Sample 159021 with 2.31 % Li
2
O and 111 ppm Ta
Sample 159022 with 198 ppm Ta.
Cook's pegmatite has elevated Li values up to 0.34 % Li2O and up to 161 ppm Ta. Rhea's pegmatite and Cook's pegmatite are
312 m
apart along
strike along the contact between mafic metavolcanics, metasediments and mafic tuffs. Rhea's and Cook's pegmatites are along the same contact
between mafic metavolcanics and metasediments as other petalite pegmatites historically mapped by Ontario Geological Survey: Draven, Black
Bear, Ballpeen, Pegmatites # 5, 6, 7, 8, 9, 10 and 11. The exploration potential is excellent that more petalite pegmatites will be found along this
contact on the Paterson Lake Property. The Cook's pegmatite is an enormous pegmatitic granite
420 m
long by
140 m
wide covered by black
lichen. A thorough cleaning of the Cook's pegmatite may result in discovery of lithium mineralization similar to that at Rhea's pegmatite.
Paterson Lake Property occurs within the Separation Rapids Greenstone Belt which is also home to the Big Whopper and Big Mack petalite
pegmatites (Figure 2). Separation Rapids Greenstone Belt is known as the Bird River Greenstone Belt in
Manitoba
which hosts the Tanco
pegmatite.
Power Metals' Paterson Lake property consists of 106 cell claims within the Paterson Lake and Treelined Lake Areas. The Property is
approximately 7 km x 3 km in size. Power Metals optioned the Paterson Lake property in 2017 because the property has multiple known petalite
pegmatite dykes on surface, but yet is still underexplored.
Quality Control
The grab samples were delivered to SGS preparation lab in
Red Lake
by Power Metals' geologist. The samples were then shipped to SGS
analytical lab in
Lakefield, Ontario
which has ISO 17025 certification. Every 20 samples included one external quartz blank and one external lithium
standard. The ore grade Li
2
O% was prepared by sodium peroxide fusion with analysis by ICP-OES with a detection limit of 0.002 % Li
2
O. A
QA/QC review of the standards and blanks for this mapping program indicate that they passed and the assays are accurate and not contaminated.
Paterson Lake
Paterson Lake Property is located in Paterson Lake and Treelined Lake Areas, 60 km north of
Kenora
,
NW Ontario
close to the
Ontario
-
Manitoba
border. Paterson Lake Property is located within the Separation Rapids Greenstone Belt and hosts multiple petalite-bearing pegmatite dykes. The
Property was optioned from Exiro Minerals Corp. in 2017 (Power Metals press release dated
April 20, 2017
). Avalon Advanced Materials
Separation Rapids Lithium Project with 8.12 Mt at 1.37 % Li
2
O measured + indicated resources as of
November 15, 2017
is located 1.2 km from
the Paterson Lake Property. Power Metals has an 80% interest with its 20% working interest partner MGX Minerals Inc.
Table 1 Grab samples from Paterson Lake Property, northwestern Ontario. UTM NAD 83, Zone 15.
Sample
Number
Easting
(m)
Northing
(m)
Li
2
O
(%)
Ta
(ppm)
Cs
(ppm)
west along strike of Marko's pegmatite
159001
393086
5569688
0.096
151
327
159002
393085
5569685
0.204
116
373
159035
392852
5569586
0.233
3.1
935
159037
392864
5569586
4.43
23.1
170
159038
392865
5569592
3.36
157
1742
159039
392866
5569589
0.121
200
1307
159201
393087
5569689
4.17
17.4
39.5
159217
392853
5569581
3.62
74.3
1025
159218
329400
5570239
1.57
1.9
230
159219
392386
5570235
0.245
1236
2473
159221
392901
5569591
0.118
725
472
159222
392900
5569594
3.90
29.7
185
Rhea's Pegmatite
159021
391872
5570163
2.31
111
32.1
159022
391872
5570160
0.018
198
22.9
Cook's pegmatite
159018
329400
5570239
0.221
22.3
195
159043
392275
5570234
0.217
17.4
81.8
159045
392331
5570238
0.275
161
120
159206
392303
5570225
0.337
25.8
170
Figure 2 Paterson Lake Lithium Project geology and pegmatite occurrences map.
Case Lake
Case Lake Property is located in Steele and Case townships, 80 km east of
Cochrane
,
NE Ontario
close to the
Ontario
-
Quebec
border. The Case
Lake pegmatite swarm consists of five spodumene dykes: North, Main, South, East and Northeast Dykes on the Henry Dome. All five of the dykes
contain spodumene mineralization. Power Metals has an 80% interest with its 20% working interest partner MGX Minerals Inc.
Qualified Person
Julie Selway
, Ph.D., P.Geo. supervised the preparation of the scientific and technical disclosure in this news release. Dr. Selway is the VP of
Exploration for Power Metals and the Qualified Person ("QP") as defined by National Instrument 43-101. Dr. Selway is supervising the exploration
program at Case Lake. Dr. Selway completed a Ph.D. on granitic pegmatites in 1999 and worked for 3 years as a pegmatite geoscientist for the
Ontario Geological Survey. Dr. Selway also has twenty-three scientific journal articles on pegmatites. A National Instrument 43-101 report has
been prepared on Case Lake Property and filed on
July 18, 2017
.
About Power Metals Corp.
Power Metals Corp. is a diversified Canadian mining company with a mandate to explore, develop and acquire high quality mining projects. We are
committed to building an arsenal of projects in both lithium and high-growth specialty metals and minerals. We see an unprecedented opportunity to
supply the tremendous growth of the lithium battery and clean-technology industries. Learn more at
www.powermetalscorp.com
ON BEHALF OF THE BOARD,
Johnathan More
, Chairman & Director
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, or to, or for the account or benefit of, a "U.S. person" (as defined in Regulation S of
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.
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Power Metals Corp., Johnathan More, 646-661-0409, [email protected]
CO: POWER METALS CORP
CNW 05:00e 30-JUL-18