Mine detail: Gap Ridge Mine

Previously called ''

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Location

Lat / long:

34.16069, -93.74076

Resource(M)

Primary:	Mercury
Secondary:	Silver, Antimony, Arsenic
Tertiary:	Zinc
Ore:	Calomel, Cinnabar, Metacinnabar, Sphalerite, Stibiconite
Gangue:	Dickite, Goethite, Pyrite, Quartz, Siderite
Orebody form:	TABULAR
Other material:	Stibnite
Discovery year:	1931

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Gap Ridge Sandstone Member Of Stanley Shale. Penn. Sandstone
Host type:	Sandstone
Structure:	Steep Regional S Dip To Carboniferous Formations. Overthrust Block Cut By Ne Tear Faults, Bedding Plane Faults, And N-S Faults With West Side Moving Relatively North, Two Types Of Small Folds Formed By E-W Compression. ; Reg.Trends: Thrust Faulting From S In Late Paleozoic., Thrust Faults And Close Folds
Alteration processes:	Argillic

References

MRDS	M055055
DEP	10103773
Reference	{Deposit:: USGS, 1937, BULL. 886-C}{Deposit:: USGS, 1942, BULL. 936-H}{Deposit:: BAILEY, E.H., USGS, PERSONAL FILES}{Deposit:: DIREXPL U.S. BUREAU MINES, DRILLIN}{Production:: USBM DATA}
Reporter	Bergquist, Joel R.