Mine detail: Island Mountain Consolidated

Previously called 'LeachAnnexMerritt GoreShotgun'

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Location

Lat / long:

40.03318, -123.48528

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold
Tertiary:	Iron
Ore:	Cubanite, Pyrrhotite, Sphalerite
Gangue:	Calcite, Gypsum, Quartz
Orebody form:	LENTICULAR

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
Production years:	1915 - 1930

Geology

Host type:	Shale,Siltstone
Associated type:	Andesite
Structure:	Homocline With Beds Of Shale And Graywacke, Paralleling General Strike Of Graywacke And Shale Are Several Notable Faults Marked By Depressions, Shear Zones And Landslides.
Alteration processes:	Silicification

References

MRDS	W017588
DEP	10072353
Reference	{Deposit:: *RIEN, J.C., 1965 : MINES AND MINERALS, TRINITY COUNTY, CA.: CALIF. DIV. MINES AND GEOLOGY, COUNTY REPT. 4, P. 21 , 62}{Deposit:: STINSON, M.C., 1957 : GEOLOGY OF THE ISLAND MOUNTAIN COPPER MINE, TRINITY COUNTY, CA.: CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 1 & 2 : DIV. OF MINES, P. 9 - 33}{Production:: *RIEN, J.C., 1965 , P. 21}
Reporter	Weeks, Robert, Fraticelli, L. A. (Albers, J.)