Power Metals Assays 6.78% Li2O from Spodumene Grab Sample, Gullwing Lake Pegmatite
Power Metals Assays 6.78% Li2O from
Spodumene Grab Sample, Gullwing Lake
Pegmatite
VANCOUVER
,
Sept. 10, 2018
/CNW/ -
Power Metals Corp.
("
Power Metals Corp.
" or the "
Company
")
(TSX VENTURE:PWM)(FRANKFURT:OAA1)(OTC:PWRMF) is pleased to announce that assays have
confirmed the presence of high grade Lithium (Li) and Tantalum (Ta) mineralization on Gullwing-Tot Lakes
Property located 30 km northeast of
Dryden, Ontario
. Gullwing Lake pegmatite and Tot Lake pegmatite are
located 6.3 km apart and are hosted by the same mafic metavolcanics unit.
The assay highlights from grab samples from Tot Lake pegmatite include:
4.58 % Li
2
O from quartz – spodumene core, sample 159056 (Figure 1)
2.62 % Li
2
O from quartz – spodumene core, sample 159057
1.68 % Li
2
O and 233 ppm Ta from pink spodumene pegmatite zone, sample 1590235
498 ppm Ta from albitized K-feldspar zone, sample 159238 (Figure 2)
The assay highlights from grab samples on the Gullwing North outcrop include:
6.78 % Li
2
O from pure spodumene sample, sample 159082 (Figure 3)
0.73 % Li
2
O from spodumene – albite – quartz sample, sample 159084
759 ppm Ta from large Ta-oxide crystals in albite unit, sample 159254 (Figure 4)
Figure 1 spodumene – quartz core, sample 159056, Tot Lake
Figure 2 coarse-grained Ta-oxide in albitized K-feldspar zone, sample 159238, Tot Lake
Figure 3 pure spodumene sample with trace lepidolite, sample 159082, Gullwing North outcrop
Figure 4 large Ta-oxide crystal on albite, sample 159254, Gullwing North outcrop
Location map for Gullwing and Tot Lakes pegmatites is given in Figure 5 and tables of assays and UTM
coordinates are given in Tables 1 and 2.
Mapping on Tot Lake pegmatite revealed eye-popping lithium and tantalum mineralization with pale green
megacrystic spodumene blades up to 75 cm long and 15 cm wide identified next to megacrystic K-feldspar
crystals in historical trench 3 (Power Metals Corp, press release dated
July 11, 2018
). The Ta-oxide
crystals are up to 1 by 2 cm in size and are some of the largest Ta-oxide crystals in pegmatites in the
province of
Ontario
. Typically, Ta-oxide minerals are 1 to 2 mm in size. In addition to lithium and tantalum
mineralization, the cesium mineralization is also impressive at Tot Lake. Pollucite (Cs ore mineral) at Tot
Lake is concentrated in a 1 by
5 m
pod near the southwestern end of the pegmatite dyke where it
comprises 32 vol% of the pod (Breaks et al., 2014). Pollucite is rare in nature and is only known at four
other pegmatite localities in
Ontario
(Breaks et al., 2014). Pollucite is an indicator mineral for extreme
chemical fractionation.
Table 1 High grade Li assays for grab samples from Gullwing and Tot Lakes pegmatites, UTM NAD 83,
Zone 15.
Sample
No.
Station
Easting
(m)
Northing
(m)
Elevation
(m)
Lithology
Ta
(ppm)
Li
2
O
(%)
Pegmatite
159082
JK-18-157
532777
5529476
397
Pegmatite
7.2
6.78
Gullwing North
159056
JK-18-126
538935
5530873
287
Pegmatite
27.8
4.58
Tot Lake
159057
JK-18-126
538935
5530872
287
Pegmatite
78
2.62
Tot Lake
159235
AV-18-075
538930
5530873
397
Pegmatite
233
1.68
Tot Lake
159059
JK-18-126
538934
5530872
396
Ultramafic Volcanic
18.2
0.757
Tot Lake
159084
JK-18-158b
532777
5529480
393
Pegmatite
40.6
0.733
Gullwing North
159058
JK-18-127
538936
5530878
392
Pegmatite
9.2
0.551
Tot Lake
159241
AV-18-080
538932
5530877
400
Pegmatite
40
0.512
Tot Lake
Sample 159059 represents the metasomatized ultramafic host rock next to spodumene-rich pegmatite.
Table 2 High grade Ta assays for grab samples from Gullwing and Tot Lakes pegmatites, UTM NAD 83,
Zone 15.
Sample
No.
Station
Easting
(m)
Northing
(m)
Elevation
(m)
Lithology
Ta
(ppm)
Li
2
O
(%)
Pegmatite
159254
AV-18-104
532783
5529473
401
Pegmatite
759
0.007
Gullwing North
159238
AV-18-078
538918
5530897
399
Pegmatite
498
0.019
Tot Lake (north)
159235
AV-18-075
538930
5530873
397
Pegmatite
233
1.68
Tot Lake
159237
AV-18-077
538916
5530888
401
Pegmatite
227
0.342
Tot Lake
159239
AV-18-079
538933
5530876
397
Pegmatite
208
0.004
Tot Lake
159262
AV-18-111
532774
5529386
413
Pegmatite
150
0.013
Central Gullwing
159236
AV-18-076
538935
5530874
395
Pegmatite
101
0.061
Tot Lake
Figure 5 Location of high grade grab samples from Gullwing and Tot Lakes pegmatites, northeast of
Dryden
.
Dr. Selway, VP of Exploration, stated "The summer mapping program at Gullwing-Tot Lakes Property
confirmed the presence of high-grade spodumene and tantalum on both pegmatite dykes. The Property has
been historically underexplored, but the property is now drill ready. I look forward to a drill program on the
pegmatites in the near future."
Quality Control
The grab samples were shipped to SGS analytical lab in
Lakefield, Ontario
by Manitoulin Transport. SGS
analytical lab in
Lakefield
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.
Gullwing-Tot Lakes
Gullwing-Tot Lakes Property is located in Drope and
Webb
townships, 30 km northeast of
Dryden
,
NW
Ontario
with excellent road access. Gullwing and Tot Lakes pegmatites contain spodumene. The Property
was optioned from Exiro Minerals Corp. in 2017 (Power Metals press release dated
April 20, 2017
). The
Property is located 5.5 km northeast of the Mavis Lake spodumene pegmatite field. Power Metals has an
80% interest with its 20% working interest partner MGX Minerals Inc.
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 six spodumene dykes: North,
Main, South, East and Northeast Dykes on the Henry Dome and the West Joe Dyke on a new tonalite
dome. 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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SOURCE
POWER METALS CORP
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CNW 03:05e 10-SEP-18