The Comstock Mine is a iron mine located in Iron county, Utah at an elevation of 6,601 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: 6,601 Feet (2,012 Meters)
Commodity: Iron
Lat, Long: 37.64417, -113.35944
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Comstock Mine MRDS details
Site Name
Primary: Comstock Mine
Commodity
Primary: Iron
Location
State: Utah
County: Iron
District: Pinto Iron
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: Surface
Ownership
Owner Name: C. F. And I. Steel Corp.
Owner Name: Utah International, Inc.
Production
Year: 1968
Time Period: 1956 - 1968
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1956
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Sevier Thrust System
Type: L
Description: Iron Mtn. Intrusion, Faulting
Alterations
Alteration Type: L
Alteration Text: Limonitization
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Analytical Data
Analytical Data: IRON 54%
Materials
Ore: Magnetite
Ore: Hematite
Gangue: Calcite
Comments
Comment (Deposit): ORE BODY IS A HUGE ROOF PENDANT REPLACEMENT DEPOSIT IN HOMESTAKE LIMESTONE. IT IS CUT BY SEVERAL FAULTS OF SMALL TO LARGE DISPLACEMENTS, PRODUCING A JUXTAPOSITION OF SEDIMENTARY BLOCKS
Comment (Workings): BENCH MINE, WORKINGS INCLUDE THE COMSTOCK AND MOUNTAIN LION ORE BODIES
Comment (Deposit): THIS DEPOSIT UNDERLIES COMSTOCK, COPPER FRACTION, DEAR, SUNBEAM, STRIP, EMMA AND THE MOUNTAIN LIAR GROUP OF CLAIMS, AND IS KNOWN TO BE ONE LARGE CONTINUOUS ORE BODY. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
Comment (Geology): BRECCIATION OF PORPHYRY AND SEDIMENTARY ROCKS IS IMPORTANT IN LOCALIZATION OF IRON MINERALIZATION.
Comment (Commodity): ORE OCCURS AS A SOFT, BLACK, FINE, GRANULAR MIXTURE WITH OCCASIONAL RIBS OF HARD, DENSE MATERIAL.
Comment (Location): SECTION SUBDIVISIONS: NE 1/4, SW 1/4, NW 1/4
References
Reference (Deposit): 1954 GEOLMAP MACKIN, MINERALS INVESTIGATIONS MAP MF-14
Reference (Deposit): 1967 RECON BLANK AND MACKIN, PROF. PAPER 516-B
Reference (Deposit): 1976 RECON BULLOCK, UTAH GEOL. MINERAL SURVEY BULLETIN 88
Reference (Production): BULLOCK, 1976, UGMS BULLETIN 88
Reference (Deposit): 1947 DIREXPL YOUNG, U.S. BUREAU OF MINES REPT. INV. 4076
Reference (Deposit): 1947 RECON MACKIN, UTAH GEOL. SOC. GUIDEBOOK #2
Reference (Deposit): BULLOCK, KENNETH C., 1976, IRON DEPOSITS OF UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 88, P 23-63.
Reference (Deposit): YOUNG, W.E., 1947, IRON DEPOSITS, IRON COUNTY, UTAH: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4076, 102 P.
Reference (Deposit): MACKIN, J. HOOVER, 1947, SOME STRUCTURAL FEATURES OF THE INTRUSIONS IN THE IRON SPRINGS DIST.; UTAH GEOL. SOCIETY GUIDEBOOK NO. 2, 62 P.
Reference (Deposit): BLANK, H. RICHARD AND MACKIN, J. HOOVER, 1967, GEOL. INTERPRETATION OF AN AEROMAGNETIC SURVEY OF THE IRON SPRINGS DIST. UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER 516-B, 14 P.
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