Pinnacle Creek Placer

The Pinnacle Creek Placer is a 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.

Site Name

Primary: Pinnacle Creek Placer

Commodity

Tertiary: Tin

Location

State: Alaska
District: Port Clarence/Ear Mt.

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
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: INDICATED GRADE OF MINING SECTION: 0.02 LB SN/CY, REF. 2, TABLE 7, SAMPLE NO. BM-6.

Materials

Ore: Cassiterite
Gangue: Orthoclase
Gangue: Calcite
Gangue: Grossularite
Gangue: Idocrase
Gangue: Epidote
Gangue: Plagioclase
Gangue: Pyrite

Comments

Comment (Location): USBM RI 5493, FIG. 10, USBM CHURN-DRILL SAMPLE NO. 6. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Development): USBM CHURN-DRILLING, 1953-54

Comment (Deposit): MINOR CASSITERITE IN CHURN-DRILL PLACER SAMPLE; INDICATED DEPTH OF MINING SECTION: 10.0 FT INCLUDING 1.0 FT OF BEDROCK; ESTIMATED VOLUME OF GRAVEL: (MTN FRONT TO CROSBY CR.) 122,500 CY IN DEPOSIT 3,500 FT LONG BY 35 FT WIDE.

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

References

Reference (Deposit): USGS OFR 77-796-B, P. 7, LOC. 50.

Reference (Other Database): BAG-MF-426-58

Reference (Deposit): USGS BULLETIN 1024-C, P. 85.

Reference (Deposit): USBM RI 5493, P. 1-2, 29-30, 32 (HOLE BM-6).

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