Iconic Discovers Leachable Lithium in Sediments, Announces Brine Sampling Results At Bonnie Claire Lithium Property; Sarcobat...
15 Dezembro 2016 - 8:15PM
Iconic Minerals Ltd. (the “Company” or “Iconic”)
(TSX‑V:ICM) (FSE:YQG) (OTC:BVTEF) is pleased to announce that it
has received very encouraging initial lithium leaching results from
sediments drilled in BC1601 at its Bonnie Claire project. Three
samples from different elevations of the 1,560 feet (475 m) thick,
continuously mineralized section of fined grained sediments show
leach recoveries of 98, 93 and 89 percent Li, leaching with dilute
acid. The lithium in the brine leachate appears to be lithium
chloride, which is how lithium occurs in Clayton Valley brines.
Early analysis of the sediments including geochemical and x-ray
diffraction (XRD) results indicate the lithium is possibly
occurring as lithium carbonate. Sample depths, lithium
content of the original sample, lithium content of the leachate,
and total recovery are shown in the table below.
Sample Description |
Sediment Assay Li (ppm) |
Leachate Assay Li (ppm) |
Recovery (%) |
BC1601 440-460' |
1420 |
1390 |
98 |
BC1601 780-800' |
1220 |
1130 |
93 |
BC1601 1220-1240' |
2550 |
2260 |
89 |
Samples were leached with dilute
hydrochloric/nitric acid and the leachate analyzed by Inductively
Coupled Plasma (ICP) by ALS Minerals of Reno, Nevada. The sediment
assays average 1,153 ppm Li over the 1,560 feet (475 m) depth of
the drill hole with the highest value being 2,550 ppm Li. The
lithium-rich sediments probably continue below the currently
drilled depth. XRD results show the sediments, dominated by very
fine grained particles, are made up of common volcanic minerals and
only minor clay minerals. Further leach tests are under way using
only deionized water. Additional metallurgical testing is planned
to determine if either bulk mining and heap leaching or in-situ
leaching may be feasible for lithium recovery at Bonnie Claire.
Brine assays from both BC1601 and 1602 have now
been received. Analysis was done by Western Environmental Testing
Laboratory of Sparks, Nevada. A highly anomalous brine sample was
taken at 1,500 feet (457 m) in BC1601 which assayed 132 ppm Li.
Although the lithium content of other brine samples from BC1601
were low, the assay from 1,500 feet is encouraging enough to
warrant additional brine drilling. Results from BC1602 had a high
Li value of 19 ppm. The results show that the Bonnie Claire project
has the ability to produce lithium brine, but more drilling is
needed to define the most productive areas. Future drilling will
specifically target major fault zones hosting groundwater fluid
flow as at Clayton Valley. At Clayton Valley producing wells occur
along linear trends we interpret as fault zones.
Iconic has refined its structural interpretation
of the 35 square mile (90 sq. km.) project area and moved future
drill sites to interpreted fault zones. Drilling fault zones
should increase the probability of intersecting more lithium brine
and also provide further intercepts of the Li bearing sediments. A
NI 43-101 resource report is planned after the drilling is
completed. Starting with the 1,500 feet (457 m) intercept of
lithium-rich sediments in BC1601 it should be relatively easy to
define a very large lithium resource. McClelland Laboratories,
Inc., of Sparks, Nevada has been selected to conduct advanced
metallurgy to determine the feasibility of dilute acid leaching of
the sediments producing a lithium brine that could then be treated
by conventional means currently used by lithium mines producing
from brine.
The Bonnie Claire Lithium Property
Characteristics:
The Property is located within Sarcobatus Valley
that is approximately 30 km (19 miles) long and 20 km (12 miles)
wide, the associated drainage basin covers an area of 2,070 square
km (800 sq mi). Quartz-rich volcanic rocks, that contain
anomalous amounts of lithium, occur within and adjacent to the
drainage basin. Geochemical analysis of the local salt flats
has yielded lithium values up to 340 ppm. The gravity low
within the valley is 20 km (12 miles) long, the current estimates
of the depth to bedrock range from 600 to 900 meters (2,000 to
3,000 feet). The current claim block covers the gravity low
and the associated mud flats.
Richard Kern, Certified Professional Geologist
(#11494) and CEO of Iconic is the Qualified Person who has prepared
and reviewed this press release in accordance with NI 43-101
reporting standards.
On behalf of the Board of Directors
SIGNED: “Richard Kern”
Richard Kern, President and CEOContact: (604)
336-8614
For further information on ICM, please visit our
website at www.iconicmineralsltd.com. The Company’s public
documents may be accessed at www.sedar.com Forward
Statement: This news release includes certain
forward-looking statements or information. All statements
other than statements of historical fact included in this release
are forward-looking statements that involve various risks and
uncertainties. There can be no assurance that such statements
will prove to be accurate and actual results and future events
could differ materially from those anticipated in such
statements. Iconic expressly disclaims any intention or
obligation to update or revise any forward-looking statements
whether as a result of new information, future events or otherwise
except as otherwise required by applicable securities
legislation.
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.
ICONIC MINERALS LTD.
Suite 303, 595 Howe Street
Vancouver, B.C. V6C 2T5
Phone: (604) 336-8614 Fax: (604) 718-2808
www.iconicmineralsltd.com
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