Mine detail: Poinsette Mine

Previously called 'Poinsettia'

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Location

Lat / long:

38.77881, -118.26373

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Chalcedony, Gypsum, Marcasite, Pyrite, Sulfur
Orebody form:	HIGH GRADE PIPES, LENSES
Discovery year:	1914

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	TO 1954

Geology

Host type:	Rhyodacite
Structure:	N 65 W Trending Fault
Alteration processes:	Argillic, Limonitic, Propylitic

References

MRDS	M055317
DEP	10103789
Reference	{Deposit:: BAILEY, E. H., U S GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: BAILEY AND PHOENIX, 1944, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41}{Deposit:: HOLMES, G.W., JR., 1965, MERCURY IN NEVADA: USBM IC 8252}{Deposit:: 1950 DIREXPL USB}{Production:: USBM UNPUB DATA}
Reporter	Gassaway, Judith S., Fiebelkorn, J. B. (Stewart, J. H.)