The Three M is a mine located in Lander county, Nevada.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Three M MRDS details
Site Name
Primary: Three M
Commodity
Tertiary: Gold
Tertiary: Silver
Tertiary: Copper
Location
State: Nevada
County: Lander
District: Mccoy
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1934
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: L
Description: Diorite Intrudes The Cane Spring Limestone
Alterations
Alteration Type: L
Alteration Text: Limestone Silicitied And Jasperized
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Malachite
Ore: Pyrite
Comments
Comment (Workings): SHAFT AND LATERAL WORKINGS
Comment (Geology): THE WORKINGS ARE IN DENSE QUARTZITE OR SILICIFIED LIMESTONE BENEATH A GOSSAN OUTCROP. (SCHRODER, 1934).
Comment (Deposit): THE PROPERTY IS EXPLORED BY A 70 FOOT SHAFT AND 100 FEET OF LATERAL WORKINGS.
Comment (Deposit): WORKINGS IN DENSE SILICIFIED LIMESTONE BENEATH COSSAN OUTCROP AT INTRUSIVE CONTACT. COPPER MINERALS PRESENT.
References
Reference (Deposit): STAGER H.K. (1977) GEOLOGY & MINERAL DEPOSITS OF LANDER CO. NEV., N.B.M. BULL 88
Reference (Deposit): SCHRADER F.C. (1934) THE MCCOY MINING DISTRICT LANDER CO. NEV., USGS CIRC 10
Reference (Deposit): MCKEE E.H. & STEWART J. (1968) GEOLOGIC MAP OF THE MCCOY QUADRANGLE, USGS OPEN-FILE MAP
Nevada Gold
Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.
