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Projects
Congress Property
BRX / Wayside Claims
Norma Sass Property
Ruf Claims
Eagle Claims
Project Photos
  |  One of Nevada's Best Remaining Carlin-type Exploration Targets
Norma Sass Overview
Lower Plate Encountered at Relatively Shallow Depths The primary target at Norma Sass is the Lower Plate of the Roberts Mountains overthrust, where most of the region's larger mines---including the nearby Pipeline Mine---have encountered world-class orebodies. Drilling in 2005 by Agnico-Eagle Mines showed the property is underlain by Lower Plate carbonate rocks at relatively shallow depths. Agnico-Eagle conducted 14,000 feet of drilling in 2005 and another 15,000 feet in 2006. Their 2005 drilling encountered gold at depths of 400 and 600 feet. Results of their 2006 drilling are pending. Exploration Concept The conceptual target at Norma Sass is potential high-grade (>0.50 oz Au/t) Carlin-style gold mineralization hosted by sheared carbonate strata in the upper 150 ft of the Roberts Mountains formation. Past drilling has encountered significant Carlin-style gold mineralization, including narrow ore-grade intervals (up to 40 ft/0.053 oz Au/t) and a strongly developed trace element suite within favorable lower plate carbonate strata. According to McCormack and Hays (1996), gold mineralization at the Pipeline mine, along with most of the other major gold ore bodies at the south end of Crescent Valley, is strongly controlled by sub-horizontal and/or bedding parallel shear zones within the Roberts Mountains formation. At Gold Acres, gold is controlled by a shear zone within the Roberts Mountains formation that dips to the south at 15° to 20°, sub-parallel to the Roberts Mountain Thrust Fault. This shear zone is thought to extend under portions of the Norma-Sass claims. The highest grades at Gold Acres were encountered where NE-trending high angle faults intersect the shallow dipping shear zone. Geology---on the Margin of the Gold Acres Structural Window The claims are situated on the southwest margin of the Gold Acres structural window in folded and faulted, early to middle Paleozoic siliciclastic strata of the upper plate of the Roberts Mountains thrust fault. These rocks overlie mildly deformed, coeval lower plate carbonate strata that hosts major Carlin-type gold deposits at the nearby Gold Acres and Pipeline/South Pipeline open pit mines. Lower plate carbonate rocks are not exposed on the Norma-Sass claims, but have been intersected in most drill holes. A series of important northeast striking normal faults extend southward from the Gold Acres pits on to the Norma-Sass claims. These faults are considered potentially important ore-controlling structures. At the Gold Acres mine, located 2,000 ft north of the claims, a mineralized shear zone in the Roberts Mountains formation dips southward toward the Norma-Sass claims, suggesting potential for discovery of gold mineralization at a depth of less than 1,500 ft. Project Maps
Project Photos
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