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Utah Clipper Property
The Utah Clipper Property consist of 229 mineral claims, totaling approximately 4545 acres, directly adjacent to Placer Dome's Pipeline-Gold Acres gold mine complex, in the Cortez-Pipeline sector of the Battle Mountain Trend, Nevada. Subject to third party net smelter royalties, the Utah Clipper Property is 100% controlled by Columbus.
Past production plus reserves at Pipeline-Gold Acres exceeds 25 million ounces gold. Recent announcements by Placer Dome indicate a further 10 million ounces gold at the Cortez Hills and Pediment deposits discovered in 2003.
Historic production at Utah Clipper includes silver and base metals from the Boss Mine and silver production from the Utah Camp and Clipper mines; past work includes limited modern exploration by Newmont, Goldfields, Noranda/Hemlo and Uranerz/Cameco in the late-1980's to mid-1990's and Agnico Eagle in 2006-2007.
The geologic setting at Utah Clipper consists of an undetermined thickness (800 to +2000 feet) of siliceous sediments above the regional Roberts Mountain thrust fault and "lower plate" carbonate units hosting the world class "Carlin" style gold deposits of the district.
The principal geologic target at Utah Clipper, classical "Carlin" or "Pipeline" style bulk minable, disseminated gold deposits or high grade, structurally controlled vein deposits in "lower plate" carbonates, has not been adequately tested by past work.
Indirect evidence for the conceptual target includes:
- Location directly on prolific northwest "trend" of world class deposits in the Cortez-Pipeline area and immediately adjacent to the Pipeline-Gold Acres mine complex.
- Past drilling on the east side of the Utah Clipper Property at the Boss Mine and the Orbit claims intersected favorable lower plate carbonate rocks at depths of 800--1200 feet with anomalous gold, silver, and path-finder elements. Deep drilling on the western 4/5 of the property is limited, with only one hole (Uranerz UUT-3) deep enough to intersect the lower plate at 2200 feet of depth.
- Base metal and silver mineralization at the Utah Camp, Clipper and Boss mines associated with controlling north-northwest structures.
- Magnetic anomaly near east margin of the property indicates aureole of the mineralized Gold Acres stock with which the Gold Acres mine is associated. A second, similar anomaly is centered on Utah Camp to northwest and remains untested.
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