The Collier Mine is a zinc and copper mine located in Calaveras county, California.
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.
Collier Mine MRDS details
Site Name
Primary: Collier Mine
Secondary: Blood
Commodity
Primary: Zinc
Primary: Copper
Secondary: Lead
Secondary: Silver
Secondary: Gold
Location
State: California
County: Calaveras
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Year: 1944
Time Period: 1942 - 1944
Material type: ORE
Description: Cp_Grade: ^8 % Zn, 1 % Cu, 0.75 % Pb
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR
Structure
Type: L
Description: Fault; East-Dipping High-Angle, With Numerous Subsidiary Spur Faults On Hanging Wall. Several Cross Faults Offsetting The "Footwall Fault", As Well As The Ore.
Alterations
Alteration Type: L
Alteration Text: Pyritization, Oxidation Apparent For 36 Ft. Below Surface.
Rocks
Not available
Analytical Data
Analytical Data: 8.75 - 13.46 %.
Analytical Data: 1.17 - 1.90 %, ZN
Analytical Data: .26 - .91 %, CU
Analytical Data: 2.94 - 4.92 OZ/TON PB
Analytical Data: .07 - .112 OZ/TON, AG
Analytical Data: GOLD
Materials
Ore: Antimony
Ore: Pyrite
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Galena
Gangue: Barite
Comments
Comment (Workings): DEVELOPMENT CONSISTS OF A INCLINED SHAFT - 51 DEGREES WITH LEVELS AT 56 , 124 AND 167 FT., AN ABANDONED SHAFT LIES 150 FT. SE OF MAIN SHAFT. OVER 400 FT. OF DRIFTS.
Comment (Geology): GEOL.DESC: MINE DEVELOPED ALONG FAULT ZONE ALONG CONTACT BETWEEN INTRUSIVE QUARTZ PORPHYRY WITH GREENSTONES AND BEDDED TUFFS.
Comment (Deposit): 1944, U.S. BUREAU OF MINES DRILLED TWO HOLES, ALL HOLES DISCLOSED PRESENCE OF ZINC, COPPER, GOLD AND SILVER-BUT NO COMMERCIAL ORE INTERSECTED.
References
Reference (Deposit): GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY; VOL. 53 NO. 354 , P. 427 .
Reference (Deposit): HEYL, G.R., 1948 , ZINC-COPPER MINES OF THE QUAIL HILL AREA, CALAVERAS COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 , DIV. OF MINES, P. 124 - 125.
Reference (Production): GOODWIN, J.G., 1957 , P. 427 (SEE REF.)
California Gold
"Where to Find Gold in California" 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 California. Read more: Where to Find Gold in California.
