Chris Tucker Minerals
Specializing in minerals from Montana

Congress Mine, Broadwater County, Montana.
The Congress mine was a gold producer, developed by shafts, exploring a vein cutting andesite.  The mine workings encountered a large limestone xenolith; sparse secondary minerals are present in the limestone.  The Congress holds the distinction of being one of four known localities where quartz epitactic on hemimorphite has been found. 

Congress mine, Radersburg Mining District, Broadwater County, Montana
The dumps to the Congress.  The main shaft is on the right side of the dump.  The rusty looking dump in the foreground is from a shallow adit.  Today water stands just below the adit level.


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