Fragment of red shale from the Cason shale at Cason mine. Wilkinson County, Georgia. 1918.
Dates
Date Taken
1918
Summary
Polished specimens of manganese ore from the Batesville district. Showing buttons of girvanellas that have been replaced by manganese oxide (light gray).
Summary
Polished specimens of manganese ore from the Batesville district. Showing buttons of girvanellas that have been replaced by manganese oxide (light gray).
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