Date of Award
Bachelor of Science in Geological Engineering
Dr. Eugene S. Perry
During the last few years a great deal of research has been done in connection with the black manganese oxide minerals. This is especially true of the so called mineral psilomelane. It has been proven without a doubt that the name psilomelane has been used in the past to include a great variety of similar black manganese oxide minerals. By the use of X-ray equipment these minerals have been definitely identified.
Davis, Logan E., "The Psilomelane Mineral of the Butte District, Montana" (1949). Bachelors Theses and Reports, 1928 - 1970. 273.
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