The Junction Group is a copper mine located in Elko 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.
Junction Group MRDS details
Site Name
Primary: Junction Group
Commodity
Primary: Copper
Location
State: Nevada
County: Elko
District: Contact (48)
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Nevada Copper Co.
Years: 1968 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1912
Discovery Year: 1912
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Snake River Plain
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: L
Description: Granodiorite Stock With Assoc. Faults, Fractures
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): DEPOSITS ARE TRANSVERSE, USUALLY DIKE OR VEIN LIKE IN CHARACTER, AND INDIRECTLY ASSOCIATED WITH THE CONTACT ZONE. THE "JUNCTION VEIN" TRENDS SW-NE FOR 2 MILES. IT IS 2-4 FEET WIDE, DIPS ABOUT 65 SE, AND IS ASSOCIATED WITH SILICEOUS SYENITE DIKES. ORE IS CONSIDERED GOOD AND AVERAGES 25% CU (SCHRADER, 1912, P 126). CLAIM IS LOCATED ON SCHRADER'S (1912, 1935) CLAIM MAPS. ; INFO.SRC : 1 PUB LIT
Comment (Production): ORE AVERAGED 25% CU
Comment (Deposit): VEINS INDIRECTLY ASSOCIATED WITH THE INTRUSIVE CONTACT
References
Reference (Deposit): SCHRADER, F.C. (1912) A RECONN. OF THE JARBIDGE, CONTACT, AND ELK MT. MINING DISTRICTS, ELKO CO., NEVADA: USGS BUL 497.
Reference (Deposit): SCHRADER, F.C. (1935) THE CONTACT MINING DISTRICT, NEVADA: USGS BUL 847-A
Reference (Production): SCHRADER, F.C. (1912)
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.
