Cypress Reports on Dean Lithium Claystone Solubility Results in Clayton Valley, Nevada
(Thomson Reuters ONE) -
VANCOUVER, British Columbia, Jan. 12, 2017 (GLOBE NEWSWIRE) -- Cypress
Development Corp. (TSX-V:CYP) (OTCBB:CYDVF) (Frankfurt:C1Z1) ("Cypress" or the
"Company") is pleased to announce that the Company has received solubility study
assay results from Cypress' 2,700 acre Dean Lithium Brine/Claystone Project
located in the heart of the Clayton Valley lithium exploration area of Esmeralda
county, Nevada.
Cypress Clayton Valley Lithium Project, Nevada location map:
http://www.cypressdevelopmentcorp.com/i/maps/CYP-Clayton-topo-satalite-small.jpg
The Company's Dean Project is located adjacent to producing lithium brine wells
belonging to the Albemarle Silver Peak mine on its west boundary, Pure Energy's
resource area on its southwest boundary and Cypress' Glory Project, optioned to
Pure Energy, on its southern boundary.
Highlights:
* Cypress completes solubility studies on 48 previously assayed Dean claystone
samples;
* A deionized water leach process returns 36.15% Li recovery on average;
* A modified dilute acid leach process returns 94.72% Li recovery on average;
* Permit application made to BLM, Nevada for a series of drill holes into new
Frontera Verda Zone;
* Cypress anticipates drilling to begin at the end of January.
September and October 2016 surface sampling on the Dean Project has revealed a
2 square kilometer area of strong lithium mineralization up to 3,700 ppm Li
(0.82% Li20 equivalent) in calcareous, volcanoclastic, claystones, mudstones and
volcanic ash units. The mineralization is essentially identical to the acreage
being jointly explored by Cypress and Pure Energy Minerals on Cypress' Glory
Project immediately to the south.
Dean sample locations and assay values map:
http://www.cypressdevelopmentcorp.com/i/maps/Dean-Sample-Map-Nov16.jpg
Cypress has now completed solubility studies with 48 previously assayed
claystone samples from the Dean property. A modified dilute Aqua Regia (dilute
acid) process (ME-MS41W) and a deionized water leach process (ME-MS03) has been
carried out by ALS/Chemex lab in Reno, Nevada in order to provide Cypress with
further data on the potential feasibility of a large-scale leach extraction
method of lithium from the abundant mineralized claystone.
The additional assay procedures recently carried out on the samples by
ALS/Chemex from the Dean property clearly show that the lithium in the uplifted
exposed lake bed sediments is easily leached by a dilute acid solution and
deionized water process.
Dean Lithium Solubility Study Assay Results:
+------------+------+----------+------+----------+---------+
| | | | | % Li | % Li |
| | | | | Recovery |Recovery |
| | *ME- | *ME- | *ME- | with | with |
| |ICP61 | MS41W | MS03 | Dilute |Deionized|
| Sample |Li ppm| Li ppm |Li ppm|Aqua Regia| Water |
+------------+------+----------+------+----------+---------+
| Dean-1 | 1010 | 1010 | 105 | 100.00 %| 10.40 %|
+------------+------+----------+------+----------+---------+
| Dean-2 | 1770 | 1720 | 1100 | 97.18 %| 62.15 %|
+------------+------+----------+------+----------+---------+
| Dean-3 | 1480 | 1500 | 302 | 101.35 %| 20.41 %|
+------------+------+----------+------+----------+---------+
| Dean-4 | 1250 | 1240 | 122 | 99.20 %| 9.76 %|
+------------+------+----------+------+----------+---------+
| Dean-5 | 930 | 910 | 164 | 97.85 %| 17.63 %|
+------------+------+----------+------+----------+---------+
| Dean-6 | 1130 | 1070 | 124 | 94.69 %| 10.97 %|
+------------+------+----------+------+----------+---------+
| Dean-7 | 1560 | 1520 | 832 | 97.44 %| 53.33 %|
+------------+------+----------+------+----------+---------+
| Dean-8 | 1720 | 1640 | 854 | 95.35 %| 49.65 %|
+------------+------+----------+------+----------+---------+
| Dean-9 | 2090 | 1990 | 1100 | 95.22 %| 52.63 %|
+------------+------+----------+------+----------+---------+
| Dean-10 | 830 | 790 | 195 | 95.18 %| 23.49 %|
+------------+------+----------+------+----------+---------+
| Dean-22 | 790 | 750 | 239 | 94.94 %| 30.25 %|
+------------+------+----------+------+----------+---------+
| Dean-24 | 2940 | 2780 | 1100 | 94.56 %| 37.41 %|
+------------+------+----------+------+----------+---------+
| Dean-25 | 950 | 880 | 528 | 92.63 %| 55.58 %|
+------------+------+----------+------+----------+---------+
| Dean-26 | 640 | 560 | 188 | 87.50 %| 29.38 %|
+------------+------+----------+------+----------+---------+
| Dean-27 | 900 | 880 | 125 | 97.78 %| 13.83 %|
+------------+------+----------+------+----------+---------+
| Dean-28 | 1350 | 1340 | 247 | 99.26 %| 18.30 %|
+------------+------+----------+------+----------+---------+
| Dean-29 | 960 | 920 | 190 | 95.83 %| 19.74 %|
+------------+------+----------+------+----------+---------+
| Dean-30 | 510 | 480 | 103 | 94.12 %| 20.20 %|
+------------+------+----------+------+----------+---------+
| Dean-31 | 350 | 348 | 111 | 99.43 %| 31.71 %|
+------------+------+----------+------+----------+---------+
| Dean-32 | 960 | 940 | 70 | 97.92 %| 7.28 %|
+------------+------+----------+------+----------+---------+
| Dean-33 | 1440 | 1420 | 279 | 98.61 %| 19.38 %|
+------------+------+----------+------+----------+---------+
| Dean-41 | 1100 | 1020 | 826 | 92.73 %| 75.09 %|
+------------+------+----------+------+----------+---------+
| Dean-42 | 1030 | 970 | 634 | 94.17 %| 61.55 %|
+------------+------+----------+------+----------+---------+
| Dean-43 | 1000 | 920 | 237 | 92.00 %| 23.70 %|
+------------+------+----------+------+----------+---------+
| Dean-44 | 1890 | 1840 | 590 | 97.35 %| 31.22 %|
+------------+------+----------+------+----------+---------+
| Dean-45 | 360 | 298 | 54 | 82.78 %| 15.11 %|
+------------+------+----------+------+----------+---------+
| Dean-46 | 650 | 590 | 510 | 90.77 %| 78.46 %|
+------------+------+----------+------+----------+---------+
| Dean-47 | 910 | 850 | 487 | 93.41 %| 53.52 %|
+------------+------+----------+------+----------+---------+
| Dean-48 | 670 | 550 | 229 | 82.09 %| 34.18 %|
+------------+------+----------+------+----------+---------+
| Dean-49 | 1100 | 1040 | 104 | 94.55 %| 9.41 %|
+------------+------+----------+------+----------+---------+
| Dean-50 | 1250 | 1120 | 865 | 89.60 %| 69.20 %|
+------------+------+----------+------+----------+---------+
| Dean-51 | 1020 | 960 | 155 | 94.12 %| 15.15 %|
+------------+------+----------+------+----------+---------+
| Dean-52 | 1380 | 1400 | 1100 | 101.45 %| 79.71 %|
+------------+------+----------+------+----------+---------+
| Dean-53 | 1200 | 1140 | 978 | 95.00 %| 81.50 %|
+------------+------+----------+------+----------+---------+
|RKCV-00810 | 1480 | 1390 | 553 | 93.92 %| 37.36 %|
+------------+------+----------+------+----------+---------+
|RKCV-00811 | 1320 | 1270 | 273 | 96.21 %| 20.68 %|
+------------+------+----------+------+----------+---------+
|RKCV-00812 | 1750 | 1820 | 1100 | 104.00 %| 62.86 %|
+------------+------+----------+------+----------+---------+
|RKCV-00813 | 2130 | 2040 | 1100 | 95.77 %| 51.64 %|
+------------+------+----------+------+----------+---------+
|RKCV-00814 | 1000 | 980 | 298 | 98.00 %| 29.80 %|
+------------+------+----------+------+----------+---------+
|RKCV-00815 | 390 | 369 |108.5 | 94.62 %| 27.82 %|
+------------+------+----------+------+----------+---------+
|RKCV-00816 | 780 | 690 | 280 | 88.46 %| 35.90 %|
+------------+------+----------+------+----------+---------+
|RKCV-00817 | 780 | 730 | 278 | 93.59 %| 35.64 %|
+------------+------+----------+------+----------+---------+
|RKCV-00818 | 1640 | 1560 | 790 | 95.12 %| 48.17 %|
+------------+------+----------+------+----------+---------+
|RKCV-00819 | 1450 | 1400 | 618 | 96.55 %| 42.62 %|
+------------+------+----------+------+----------+---------+
|RKCV-00820 | 800 | 760 | 279 | 95.00 %| 34.88 %|
+------------+------+----------+------+----------+---------+
|RKCV-00821 | 1150 | 1050 | 567 | 91.30 %| 49.30 %|
+------------+------+----------+------+----------+---------+
|RKCV-00822 | 810 | 780 | 157 | 96.30 %| 19.38 %|
+------------+------+----------+------+----------+---------+
|RKCV-00823 | 570 | 500 | 196 | 87.72 %| 34.39 %|
+------------+------+----------+------+----------+---------+
| | | | |94.72% AV |36.15% AV|
+------------+------+----------+------+----------+---------+
* ME-ICP61 is a 4 acid digestion that will extract lithium from any mineral
including silicates
* ME-MS41W is a highly dilute version of Aqua Regia that will dissolve carbonate
minerals
* ME-MS03 is a leach method that uses deionized water to extract lithium in the
sample
* Li = Lithium Metal
* ppm = parts per million
* AV = Average
Several first order drill targets have been defined on the Dean property that
include extensive outcropping of altered green evaporate-rich volcanoclastic
claystone / mudstone exposures known as the Frontera Verde Zone. The Frontera
Verde Zone covers an area of greater than 2 square kilometers. The average
lithium grade of the Frontera Verde Zone is greater than 1500 ppm Li (>0.32%
Li2O).
Outcropping lithium-rich mudstones at Dean Project:
http://www.cypressdevelopmentcorp.com/i/maps/Dean-Chip-Channel-Samples-Far-
South.jpg
Donald Huston, President Cypress Development, stated, "The results generated
from the most recent assays consisting of a highly dilute weak Aqua Regia
solution and a deionized water solution on the Dean Project samples has returned
very encouraging results relating to the lithium recovery from the claystone
that is known to exist on the majority of the Dean Project in Clayton Valley,
Nevada. It is evident that the use of differing solutions in the assay
procedure, as noted above, that the abundant lithium-rich claystone could be
amenable to an extraction methodology that could be cost effective with a very
high recovery of lithium content expected from processing. Cypress' management
are very encouraged with the progress seen to date and will continue with work
on potential lithium extraction methods from the claystone."
All Data compiled by Cypress to date indicates that a readily soluble non-
hectorite mineral form of lithium-rich claystone exists at surface over wide
areas of Cypress' Glory and Dean Clayton Valley projects.
Cypress has made application to the BLM, Nevada for an area of disturbance
Permit to allow for a series of drill holes into the new Frontera Verda Zone on
the Dean Project. The Company anticipates mobilizing a drill crew into the
Clayton Valley by the end of January.
Quality Control and Quality Assurance:
All samples were submitted to ALS Chemex Labs in Reno, Nevada for analysis using
a modified weak Aqua Regia (dilute acid) process (ME-MS41W) and a deionized
water leach process (ME-MS03). Blind sample blanks were inserted into the sample
sequences at a rate of approximately 1 per 20 samples.
Robert Marvin, PGeo, Exploration Manager for Cypress Development Corp., is the
qualified person as defined by National Instrument 43-101 and has approved of
the technical information in this release.
About Cypress Development Corp.:
Cypress development Corp is a publicly traded lithium and zinc exploration
company that continues to acquire and develop potentially viable mineral
projects in the State of Nevada, U.S.A.
Cypress is very active in Clayton Valley, Nevada with its team committed to
systematically exploring its properties for both a lithium-brine resource and
expanding exploration relating to the potential for a lithium resource that
exists within the large area of non-hectorite "claystones" discovered at surface
that has seen recent high lithium assays recovered from these same "claystones".
Cypress Development Corp. has approx. 33.4 million shares issued and
outstanding.
To find out more about Cypress Development Corp. (TSX-V:CYP), visit our website
at www.cypressdevelopmentcorp.com.
CYPRESS DEVELOPMENT CORP.
"Don Huston"
DONALD C. HUSTON
President
For further information contact myself or:
Don Myers
Director
Cypress Development Corp.
Telephone: 604-687-3376
Toll Free: 800-567-8181
Facsimile: 604-687-3119
Email: info(at)cypressdevelopmentcorp.com
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This release includes certain statements that may be deemed to be "forward-
looking statements". All statements in this release, other than statements of
historical facts, that address events or developments that management of the
Company expects, are forward-looking statements. Although management 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. The Company undertakes no obligation to
update these forward-looking statements if management's beliefs, estimates or
opinions, or other factors, should change. Factors that could cause actual
results to differ materially from those in forward-looking statements, include
market prices, exploration and development successes, continued availability of
capital and financing, and general economic, market or business conditions.
Please see the public filings of the Company at www.sedar.com for further
information.
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The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: Cypress Development Corp via GlobeNewswire
Datum: 12.01.2017 - 14:00 Uhr
Sprache: Deutsch
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