An airborne survey is being flown over the Butte Highlands property in Montana in an effort to delineate magnetic and very-low-frequency features characteristic of gold skarn mineralization tested there last year.
Orvana Minerals (TSE), which can acquire the property outright, encountered well-mineralized intersections in 1993, which were downdip and along strike from the old Highlands mine. These included 46 ft. grading 0.32 oz. gold per ton in Hole BH93-12 and 37 ft. grading 0.31 oz. in Hole BH93-11. Based on previous work, a geologic resource of more than two million tons grading 0.3-0.6 oz. can be inferred.
In addition to the geophysical work, this year’s program will include infill and stepout drilling in the Highlands mine area.
Orvana also plans to drill-test the Ballarat mine area, which lies 6,000 ft. to the east on the same stratigraphic unit. Previous drilling there returned up to 80 ft. grading 0.23 oz.
A total of 10,000 ft. of reverse circulation drilling and 15,000 ft. of diamond drilling are planned in 1994.
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