The Kathleen-Margaret Prospect is a copper mine located in Alaska.
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
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Kathleen-Margaret Prospect MRDS details
Site Name
Primary: Kathleen-Margaret Prospect
Secondary: K-M Prospect
Commodity
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: Alaska
District: Valdez Creek
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Greenstone
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic
Name: Greenstone
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Triassic
Analytical Data
Analytical Data: USBM BENEFICIATION TEST INDICATED THAT 1.2% CU ORE COULD BE CONCENTRATED TO CONCENTRATE ASSAYING 36.7% CU WITH 95% RECOVERY, USBM RI5245, P.9
Analytical Data: ORE IS MORE COMMONLY 1 TO 5% CU, ACCORDING TO MACKEVETT, 1964, USGS PP 501-C, P. C120
Analytical Data: DATA FROM USGS CIRC 332, P. 5
Analytical Data: RICHEST CU SAMPLE CONTAINED 2.55 OZ/TON AG
Analytical Data: 7 FT CHANNEL SAMPLE CONTAINED 0.18 OZ/TON AU AND 1.20 OZ/TON AG
Analytical Data: MAIN 10.5 FT VEIN CONSISTS OF BAND OF BARREN QUARTZ 1.5 TO 2 FT WIDE, ADJACENT HIGH-GRADE BAND 1.5 TO 2 FT WIDE ASSAYING 30 TO 45% CU, AND 6.5 TO 7.5 FT BAND ASSAYING 3.5 TO 12.5% CU
Materials
Ore: Bornite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Calcite
Gangue: Malachite
Gangue: Epidote
Comments
Comment (Deposit): SEVERAL BORNITE AND CHALCOPYRITE BEARING QUARTZ VEINS; LARGEST VEIN: 10.5 FT WIDE, ZONE OF RICHEST ORE 60 FT LONG, 5 FT WIDE AND 100 FT HIGH; OTHER VEINS IN AREA SMALLER, LEANER AND CANNOT BE TRACED MORE THAN 100 FT
Comment (Workings): EXPLORED BY ABOUT 800 FT. OF UNDERGROUND WORKINGS, 2000 FT OF EXPLORATORY DRILL HOLES AND SURFACE TRENCHES
Comment (Deposit): WELL EXPLORED PROSPECT; 2 TONS OF ORE ESTIMATED AT 1-2 % CU STOCKPILED AT PROSPECT IN 1960 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Location): BEST LOCATION: ADGGS GR 20, FIGURE 3, LOC. 8 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?
Comment (Development): KNOWN SINCE ABOUT 1918; EARLY HISTORY OBSCURE; EXPLORED BETWEEN 1953 AND 1959, PARTLY UNDER SPONSORSHIP OF DMEA, BY ADIT AND UNDERGROUND CONNECTIONS, DRILL HOLES AND SURFACE TRENCHES
References
Reference (Deposit): USGS PP 501-C, P. C117-C120
Reference (Deposit): ADGGS GR 20, P. 21, LOC. 8
Reference (Deposit): USGS CIRC 332
Reference (Deposit): USBM RI 5245, P. 1,9
Reference (Deposit): ALASKA DIVISION OF MINES AND MINERALS, REPORT FOR THE YEAR 1961, P. 39
Reference (Deposit): ADGGS GR 4, P. 4-5, 8-9, 13
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