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The Flotation Concentration Of A Complex Low-Grade Lead Zinc Ore, Edward James Fong
The Flotation Concentration Of A Complex Low-Grade Lead Zinc Ore, Edward James Fong
Bachelors Theses and Reports, 1928 - 1970
This report is concerned primarily with the beneficiation of a low-grade complex lead-zinc ore. The depletion of high grade veins has caused the mineral engineer to seek deposits deeper in the earth's crust or to find lower grade deposits. The other alternative has placed more research problems on Mineral Dressing Engineers in particularly the iron, copper, lead and zinc fields.
Fluorite Deposits In The Dry Creek District, Near Superior, Mineral County, Montana, Russell M. Corn
Fluorite Deposits In The Dry Creek District, Near Superior, Mineral County, Montana, Russell M. Corn
Bachelors Theses and Reports, 1928 - 1970
Fluorite was discovered in the. Dry Creek District, Mineral County, in 1943 and the first commercial prodÂuction of this mineral in Montana waS recorded from this locality.