The Croesus Mine is a lead and silver mine located in Blaine county, Idaho at an elevation of 6,001 feet.
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
Elevation: 6,001 Feet (1,829 Meters)
Commodity: Lead, Silver
Lat, Long: 43.4739, -114.34690
Map: View on Google Maps
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.
Croesus Mine MRDS details
Site Name
Primary: Croesus Mine
Commodity
Primary: Lead
Primary: Silver
Secondary: Gold
Tertiary: Copper
Location
State: Idaho
County: Blaine
District: Mineral Hill District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Year: 1907
Time Period: 1885-1907
Material type: ORE
Description: Cp_Grade: ^$8 Au/Ton, 31.4 Oz Ag/Ton, 48-60% Pb
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Year: 1881
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENSES
Structure
Type: L
Description: Younger Lamprophyre Dikes Intrude Fracture Zone
Alterations
Alteration Type: L
Alteration Text: Sericitization, Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: PB - AG ORE REPORTED TO CONTAIN 5 TO 20% PB, 1 OZ AG FOR EACH % OF PB, 0.25 - 0.35 OZ AU/TON, GOLD VEIN AVG. $65 IN AU + AG, WITH 2.5 OZ AU TO 15 OZ AG
Materials
Ore: Galena
Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Pyrite
Gangue: Calcite
Gangue: Pyrrhotite
Gangue: Siderite
Comments
Comment (Deposit): 2 VEINS. ONE GOLD, THE OTHER LEAD - SILVER. GOLD VEIN DIPS 70 DEG. S., THE LEAD - SILVER VEIN DIPS 65 DEG N.
Comment (Location): IN LOWER SCORPIAN GULCH
Comment (Commodity): SHIPPING ORE AVG $40 - $60/TON, MILLING ORE $10 - $12/TON
Comment (Development): 100 - TON MILL ERECTED IN 1908.
References
Reference (Deposit): 1910 COMPILE 11TH ANN. REPT. OF MINING INDUSTRY, 1909
Reference (Deposit): 1930 GEOLMAP J. B. UMPLEBY AND OTHERS, BULL. 814
Reference (Deposit): ANDERSON, A. L., AND OTHERS, 1950, DETAILED GEOLOGY OF CERTAIN AREAS IN THE MINERAL HILL AND WARM SPRINGS MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, 73 P.
Reference (Deposit): UMPLEBY, J. B. AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, P. 1-245.
Reference (Deposit): BELL, R. N., 1907, EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906.
Reference (Deposit): MOORE, F. C., 1910, ELEVENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1909.
Reference (Deposit): 1907 COMPILE 8TH ANN. REPT. OF MINING INDUSTRY, 1906
Reference (Deposit): 1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90
Reference (Production): ITEMS 7-11, UMPLEBY, J. B., AND OTHERS, 1930, USGS BULL. 814; ITEM 17, BELL, R. N., 1907, EIGHTH ANNUAL MINING REPORT.
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.