Goldstrike Discovers Carlin-Style Gold Mineralization in Yukon
13 September 2011 - 3:30PM
Marketwired
Goldstrike Resources Ltd. (TSX VENTURE: GSR)(PINK SHEETS:
APRAF)(FRANKFURT: KCG1) is pleased to report that first pass
reconnaissance geochemical sampling on its Plateau property in
Yukon has returned numerous anomalous gold, arsenic, antimony,
mercury, and thallium values over a 7.5 km strike length that
remains open. Assays have returned up to 1.544 grams per tonne gold
in soils and up to 1.292 grams per tonne gold in rocks. These
samples were also strongly anomalous for key pathfinders.
Goldstrike's new discovery, which has been named the Gold Rush
Zone, is located in the same Hyland Group sedimentary rocks that
host ATAC's Osiris discovery located 85 kilometers to the north
(best drill intersection to date 4.65 grams per tonne gold over
65.2 meters including 9.26 grams per tonne gold over 31.13 meters).
Twenty anomalous soil samples assayed to date have returned 15 to
1,544 parts per billion (1.544 grams per tonne) gold in soil, and
10 rock samples returned values ranging from 20 to 1,292 parts per
billion (1.292 grams per tonne) gold. Pathfinder element values
assayed as high as 2,821 parts per million arsenic, 145.8 parts per
million antimony, 0.08 parts per million mercury, and 0.7 parts per
million thallium in soil, and greater than 10,000 parts per million
arsenic, 69.7 parts per million antimony, 5.47 parts per million
mercury, and 0.9 parts per million thallium in rock. This
geochemical signature is characteristic of Carlin-style deposits,
and combined with the geological setting in the same group of host
rocks as Osiris, demonstrates the Gold Rush Zone has strong
potential to quickly evolve into a significant new gold discovery
in this previously unexplored area, with excellent Carlin-style
gold potential.
Based on these very positive results, the Company recently
completed ground truthing of several additional targets in this
area and carried out a staking program that has significantly
expanded its land position. Phase 2 exploration is now underway,
and is to include detailed geological mapping, prospecting, infill
soil geochemistry and trenching directed toward identifying key
horizons along this 7.5-kilometer trend in preparation for
drilling.
Hyland Group host rocks, including limestone, sandstone, shale
and breccia, are exposed along a northeast-striking ridge in the
Gold Rush Zone. Initial examination indicates that they have been
extensively silicified and mineralized along a three to five meter
wide northeast-striking fault zone that is likely to have provided
a conduit for the mineralization. Many of the rock samples taken
along the strike of the new Gold Rush Zone are silicified and cut
by quartz veins and stockworks. Finely disseminated sulphides
including pyrite and arsenopyrite are present in many of the rocks
sampled, or have been oxidized to limonite. A broad elongated zone
of silica and clay alteration extending along the ridge corresponds
closely to the geochemical anomaly and the fault. Several of the
highest gold, arsenic and antimony values to date have been
obtained near the interface between the silica and clay
alteration.
Gold in Carlin deposits is typically submicroscopic, and
associated with disseminated pyrite or arsenian pyrite, and silica.
These minerals are thought to be deposited from basinal fluids that
travelled up deep-seated faults to replace calcite or dolomite in
limestone, calcareous or dolomitic shale, or other sediments. Gold
may be deposited in or near the fault zone, or may travel laterally
away from the fault along a permeable layer. Gold zones are closely
associated with or surrounded by a geochemical halo of arsenic,
antimony, mercury, and thallium. The best gold grades are reported
to occur near the silica-clay transition. This model appears to
correlate with the geology and geochemistry of the Gold Rush Zone
based on results to date.
"This is an exciting new discovery for Goldstrike," said
Goldstrike President Reimar Koch. "This find further confirms the
potential for numerous new gold discoveries in the Yukon. It opens
up a vast area to exploration for Carlin-style targets. GoldStrike
recently completed the first pass exploration programs on all of
its 24 Yukon gold properties and plans to initiate additional phase
2 programs immediately as positive assay results are received. The
company anticipates a steady flow of news as significant results
become available."
The technical data in this news release has been reviewed and
approved by Trevor J. Bremner, P. Geo., who is a qualified person
as defined in National Instrument 43-101. For more detailed
information on these properties, refer to Goldstrike's web site at
www.goldstrikeresources.com.
ON BEHALF OF THE BOARD
Reimar Koch, President
Neither 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.
Contacts: Goldstrike Resources Ltd. Jeff Stuart (604) 681 1820
or Toll-free (877) 566 9089 604 681 1864 (FAX)
info@goldstrikeresources.com www.goldstrikeresources.com
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