Mine detail: Mayflower Group Mine

Previously called 'Mayflower and Elizabeth Group'

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Location

Lat / long:

43.95298, -115.99626

Resource(M)

Primary:	Silver, Zinc, Lead, Gold
Secondary:	Copper
Tertiary:	Bismuth
Ore:	Bismuthinite, Chalcopyrite, Galena, Gold, Sphalerite, Tetrahedrite
Gangue:	Pyrite, Quartz, Siderite
Orebody form:	LINEAR
Discovery year:	1882

Production

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

Geology

Host rock:	Gravel
Host type:	Quartz Monzonite
Associated rock:	Idaho Batholith-Quartz Monzonite;Dikes-Rhyolite Porphyry, Dacite, Quartz Monzonite
Associated type:	Quartz Monzonite,Rhyolite,Dacite
Alteration processes:	Oxidized, Sericitized, Slightly Silicified

References

MRDS	W007610
DEP	10089028
Reference	{Deposit:: BALLARD, S. M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN, BOISE COUNTY, IDAHO: ID. BUREAU OF MINES AND GEOL: BULL. NO. 9, 103 P.}{Deposit:: ROSS, C.P., 1934, SOME LODE DEPOSITS IN THE NORTHWESTERN PART OF THE BOISE BASIN, IDAHO: USGS BULL. 846-D, P. 239-277.}{Deposit:: ANDERSON, A.L., 1947, GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: USGS BULL. 944-C, P. 266-273.}{Deposit:: JONES, R.W., 1959, MAYFLOWER AND ELIZABETH GROUP: IDAHO BUR MINES AND GEOLOGY OPEN-FILE REPT.}{Deposit:: 1924 GEOLMAP IDAHO BUR MINES BULL. 9.}{Deposit:: 1934 GEOLMAP ROSS, C.P., BULL. 846-D.}{Deposit:: 1947 GEOLMAP ANDERSON, A.L., BULL. 944-C.}{Deposit:: 1959 OTHER IDAHO BUR MINES AND GEOLOGY OPEN-FILE REPT.}{Production:: BALLARD, S. M., 1924: ID. BUREAU OF MINES AND GEOL., BULL. NO. 9 ANDERSON, A.L., 1947, USGS BULL. 944-C.}
Reporter	Everett, Sandra E., Murphy, Lyn S.