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PROJECTS
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RALSTON VALLEY PROJECT-NEVADA
Golconda
holds 117 Claims (2340 acres) On
the Carlin Trend, in the Goldstrike
subdistrict, a sequence of Paleozoic shales and siltstones overlies beds of
laminated silty limestone. Although smaller ore bodies occur in all rock types,
50 million ounces of gold out of a total of 63 million occur in the laminated
silty limestone sequence. Furthermore, the great majority of the gold
mineralization occurs either in contact or within one kilometer of a Mesozoic
intrusion. In
the Toquima Range, the
Northumberland Mine, Round Mountain Mine (over 10 million ounces of gold) and
the mineralization in the Manhattan and Belmont districts are closely related to
Mesozoic intrusions. In
the Baxter Spring area, a sequence
of shales and siltstones overlies beds of laminated silty limestones like in the
Carlin area. Quartzite and phyllitic shale are thrust over the siltstone and
limestone sequence and are preserved on the newly staked eastern part of the
claims. The laminated silty limestone capped by the overthrusted rocks borders
the Mesozoic intrusion to the east. In
the outcropping area at Baxter Spring, gold mineralization is controlled by
high-angle faulting and by the presence of thin limestone beds in the upper
siltstone sequence. The lower, laminated, silty limestone sequence does not
outcrop. Drill intercepts of 5 ft.
of 6.9 oz Au/ton and 1.6 oz Au/ton and surface samples of up to 4 oz Au/ton come
from this area. Golconda
staked the initial claims because silicification, decalcification and drusy
quartz-barite veining are increasing towards the gravel covered area to the
south of Baxter Spring. The claims were then extended towards the east to cover
the projected contact of the limestone with the granitic intrusion. A small
outcrop of overthrusted quartzite showing hydrothermal alteration was found in
the gravel -covered valley. It is overlying the projected laminated limestone
which is the best host rock for the gold mineralization. In addition, the
potential for gold mineralization is increased because the overthrusted
quartzite-phyllite causes ponding of the hydrothermal solutions in the limestone
underneath. The
newly staked claims bring the size of the claim block up to a width of 2.3 km
(1.4 mls) and a length of 4.2 km (2.6 mls) which follow the intrusive contact. Golconda believes that it controls now the most prospective zone in the Baxter Spring area. An application for a drilling permit is being filed.
Drilling at Ralston Valley project. (click on image to enlarge)
Profile 1
Profile 2
Profile 3
All samples were taken at 60 m (200 ft) intervals.
Massive jasperoid outcrop.
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