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The Cooks Creek project consists of approximately 5 square miles of 100%-owned unpatented mining claims covering an area of outcropping sediment-hosted gold mineralization about 8 miles west of the world-class Pipeline mine in north-central Nevada. Cooks Creek lies along the Battle Mountain -- Eureka mineral belt, also referred to as the Cortez trend. The Pipeline and adjacent Cortez and Cortez Hills Carlin-type gold deposits contain more than 20 million ounces of gold (production plus reserves/resources); the mines are operated by Barrick Gold Corporation.
The main gold zone at Cooks Creek covers an area of at least 2,900 by 2,500 feet (890 x 760m) with surface rock-chip assays reaching 1.26 ppm gold. The zone contains strong enrichments in arsenic, mercury, and antimony (locally occurring as stibnite), elements characteristic of productive Carlin-type gold deposits. Mineralization is localized along northeast-trending faults and hosted by "upper-plate" Paleozoic siliciclastic rocks (siltstone and chert), strongly-altered felsic dikes and volcaniclastics and is coincident with silicification. Historic drilling intersected gold mineralization, including 70 feet grading 0.068 opt (21.3m @ 2.317 g/t) from 60 to 130 feet, 40 feet @ 0.015 opt (12m @ 0.516 g/t), and 20 feet @ 0.019 opt (6m @ 0.635 g/t). Mineralization remains open along at least two northeast-striking fault zones about 1,000 feet apart. Redstar has also identified a gold anomaly about 3,000 ft (900m) south of the main gold zone; rock samples in this second area reach 778 ppb (0.023 opt Au).
Another important target is the district-scale north-northwest trending Cooks Creek fault zone, largely concealed by alluvium about one mile southwest of the main gold zone. The fault is parallel to the ore-controlling structures at the nearby Pipeline deposit and other gold deposits along the Cortez belt and has never been drill tested. Limited exposures of Paleozoic quartzite along the fault zone are strongly brecciated and contain anomalous Hg and As and north-trending silica veins. Further evidence for the Cooks Creek fault being a mineralized structure is that the northeast structures controlling the main gold zone project to the southwest and intersect the fault.
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