Bladed crystals of barite in a matrix of iron oxide and apatite. Custer County, South Dakota. Circa 1968.
Dates
Date Taken
1968
Summary
Bladed crystals of barite in a matrix of iron oxide and apatite. Enlargement X 40. Custer County, South Dakota. Circa 1968. (Photomicrograph) Left portion published as plate 2, figure 6 in U.S. Geological Survey Professional Paper 594-L. 1968.
Summary
Bladed crystals of barite in a matrix of iron oxide and apatite. Enlargement X 40. Custer County, South Dakota. Circa 1968. (Photomicrograph) Left portion published as plate 2, figure 6 in U.S. Geological Survey Professional Paper 594-L. 1968.
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