Mine detail: Henderson Gulch Placer

Previously called 'Henderson'

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Location

Lat / long:

46.50156, -113.26259

Resource(B)

Primary:	Gold, Tungsten
Secondary:	Sand and Gravel, Construction
Ore:	Gold, Scheelite
Orebody form:	DISSEMINATED DEPOSIT IS TRIANGULAR - SHAPED INTRUSION
Discovery year:	1866

Production

Operation type:	Unknown
Deposit type:	Placer Au-PGE
Production size:	Small
Development status:	Past Producer
Last production ended:	1957

Geology

Host rock:	Newland Limestone
Host type:	Diorite
Structure:	Phillipsburg Batholith, Phillipsburg Overthrust, Sunrise And Henderson Mountain Anticline, Fracture Zone Trending N 60 E, Dipping E
Tectonic:	Cordilleran Miogeosyncline
Alteration processes:	Newland Limestone, Shale Altered To Hornfels, Tactite

References

MRDS	W013387
DEP	10099710
Reference	{Deposit:: USBM REPT INVES 5612, P. 2, 6, 8. 17}{Deposit:: USBM PEPT INVES 4914}{Deposit:: MBMG MEM NO 26, P. 35, 39, 40.}{Deposit:: USGS PP 610, P. 152}{Deposit:: USGS PP 78, P. 263.}{Deposit:: MBMG BULL 10, P. 21.}{Deposit:: 1947 DIREXPL U. S. BUREAU MINE}{Production:: WALKER, USBM R. I. 5612}
Reporter	Krohn, Douglas H., Wise, Kristine K. (Elliott, James E.)