Deer Cr., Trib., Crosby Cr. Placer Tin Occurrence

The Deer Cr., Trib., Crosby Cr. Placer Tin Occurrence is a mine located in Alaska at an elevation of 351 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

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.

Site Name

Primary: Deer Cr., Trib., Crosby Cr. Placer Tin Occurrence

Commodity

Tertiary: Tin

Location

State: Alaska
District: Port Clarence

Land Status

Land ownership: State
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: 1953
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: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene

Analytical Data

Analytical Data: CHURN-DRILL SAMPLE BM8: 0.05% SN, 0.2 LBS/CY SN (USBM RI 5493, P. 32, TABLE 7)

Materials

Ore: Cassiterite
Gangue: Vesuvianite
Gangue: Orthoclase
Gangue: Oligoclase
Gangue: Limonite
Gangue: Tourmaline
Gangue: Quartz
Gangue: Pyrite
Gangue: Chondrodite

Comments

Comment (Location): LOCATION TAKEN FROM USBM RI 5493, P. 20, FIG. 10, LOC. BM8; ALSO USGS MF-426, LOC. 56. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Workings): 14 FT. DEEP CHURN-DRILL HOLE.

Comment (Geology): MAJOR.UNITS: COMPOSITION OF BEDROCK UNKNOWN; COVERED BY TUNDRA (BUT PROBABLY PRECAMBRIAN LIMESTONE OR GRAPHITIC SILT.

Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Comment (Development): CHURN-DRILL SAMPLES TAKEN BY USBM IN 1953.

Comment (Deposit): 14 FT. DEEP CHURN DRILL HOLE EXPOSED 2.0 FT. OF OVERBURDEN, 6.0 FT. OF GRAVEL, AND 6.0 FT. OF PAY HORIZON. CASSITERITE IDENTIFIED IN SAMPLES.

References

Reference (Deposit): USGS MF-426, LOC. 56 (1972)

Reference (Deposit): USBM RI 5493, P. 20, 31-32, FIG. 10, SAMPLE NO. BM8 (1959)

Reference (Deposit): USGS OF 75-587 (1975)

Reference (Deposit): USGS I-685 (1972) - FOR AREA GEOLOGY

Reference (Other Database): BAG-MF-426-56

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