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Radiate arrangement (the wad apparently is the process of changing to a compact and rod like psilomelane), from Doe Valley mine. Johnson County, Tennessee. 1918.

Dates

Date Taken
1918

Summary

Pyrolusite and wad: B, earthy compact wad traversed by a sigmoid band that is of similar composition but has a rod like comb structure and radiate arrangement (the wad apparently is the process of changing to a compact and rod like psilomelane), from Doe Valley mine. Johnson County, Tennessee 1918. Plate 9-B in U.S. Geological Survey Bulletin 737. 1923.

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Data Owner :
U.S. Geological Survey

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Identifiers

Type Scheme Key
name photoLibrary sgw01425
number photoLibrary 33380
batch photoLibrary btch402
number_in_book photoLibrary 1425

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