The Sunrise Canyon Manganese Prospect is a manganese 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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Sunrise Canyon Manganese Prospect MRDS details
Site Name
Primary: Sunrise Canyon Manganese Prospect
Secondary: Slocum Inlet
Commodity
Primary: Manganese
Location
State: Alaska
District: Juneau
Land Status
Land ownership: National Forest
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1935
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
Not available
Analytical Data
Analytical Data: TWO CHANNEL SAMPLES ACROSS REPRESENTATIVE SECTIONS: 22.4% MN OVER 3.5 FT WIDTH, 31.6% MN OVER 1.0 FT WIDTH, PITTMAN, 1957, UNPUB. USBM OFR
Materials
Ore: Rhodochrosite
Ore: Manganite
Ore: Rhodonite
Ore: Psilomelane
Ore: Pyrolusite
Comments
Comment (Location): BEST LOCATION: PITTMAN, 1957, UNPUBLISHED USBM REPORT; SEE REFERENCES LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): 8 CLAIMS STAKED IN ABOUT 1935; MORE STAKED LATER; ONLY 2 CLAIMS HELD IN 1957, WHEN PROSPECT WAS EXAMINED BY USBM
Comment (Deposit): MN-BEARING VEIN FROM 1.0 TO 3.5 FT WIDE COMPOSED OF ABOUT 70% RHODOCHROSITE, 15% MANGANESE DIOXIDE (PYROLUSITE AND/OR MANGANITE), 10% QUARTZ, 5% RHODONITE AND POSSIBLY SOME PSILOMELANE; SEVERAL OTHER PARALLELMN-BEARING VEINS FROM 0.1 TO 1.0 FT WIDE IN AREA OVER A 6000-FT STRIKE LENGTH
Comment (Workings): A FEW SHALLOW PITS AND TRENCHES
Comment (Geology): MN-BEARING VEINS ARE IN UPPER 200-300 FT OF PHYLLITE, OVERLAIN BY METAMORPHOSED SCHISTOSE SERIES OF BASALTIC LAVAS AND TUFFS, JUST W OF COAST RANGE BATHOLITH; VEINS ARE CONFORMABLE TO N 50 W STRIKING, 45-80 NEDIPPING SCHISTOSITY OF PHYLLITE
Comment (Deposit): BENEFICIATION TESTS FAILED TO PRODUCE A MARKETABLE CONCENTRATE; SEE ALSO: ENTERPRISE CLAIMS (LIMESTONE INLET) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): PITTMAN, TOM L., 1957, RECONNAISSANCE EXAMINATION OF SUNRISE CANYON MANGANESE, SLOCUM INLET, AK: USBM OFR, UNNUMBERED, 7 P.
Reference (Deposit): USGS OFR 85-717, P. 321, NO. T012
Reference (Other Database): BAG-OFR-85-717-T012
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