The Berg Mountain Occurrence is a ree 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
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.
Berg Mountain Occurrence MRDS details
Site Name
Primary: Berg Mountain Occurrence
Commodity
Primary: REE
Location
State: Alaska
District: Juneau/Glacier Bay N.M.
Land Status
Land ownership: National Park
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
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
Not available
Materials
Ore: Monazite
Comments
Comment (Location): LOCATION APPROXIMATED FROM USGS I-303, SAMPLE 22 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): TRACES OF YTTRIUM IN HEAVY MINERAL CONCENTRATE OF PYRITIC SILICEOUS ROCK; AEROMAGNETIC ANOMALY NEARBY
Comment (Deposit): STREAM SEDIMENTS TAKEN FROM BERG CR. AND TRIBS DRAINING SEVERAL SQ MI AREA OF DEVONIAN AND/OR SILURIAN VOLCANICS AND SILICEOUS ARGILLITE INDICATED HIGH CR; 700-1350 PPM (1966) AND UP TO 2000 PPM (1976) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): USGS I-303, NO. 22
Reference (Deposit): USGS OFR 78-494, P. C-348, NO. 79
Reference (Deposit): USGS BULL 1246, P. 162
Reference (Deposit): USGS OFR 85-717, NO. J012
Reference (Other Database): BAG-OFR-85-717-012
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