Sunrise Canyon Manganese Prospect

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

Name: Sunrise Canyon Manganese Prospect  

State:  Alaska

County:  na

Elevation:

Commodity: Manganese

Lat, Long: 58.075, -133.93056

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.


Satelite image of the Sunrise Canyon Manganese Prospect

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Comment (Location): BEST LOCATION: PITTMAN, 1957, UNPUBLISHED USBM REPORT; SEE REFERENCES LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).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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