Step Gulch Placer

The Step Gulch 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: Step Gulch Placer

Commodity

Tertiary: Tin
Tertiary: REE

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: MAX EU OF GRAVEL IN PLACE: 0.0001%

Materials

Ore: Cassiterite
Ore: Monazite

Comments

Comment (Location): USGS BULLETIN 1024-C, PLATE 10, SAMPLE 1219. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

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

Comment (Deposit): MINOR AMOUNTS OF CASSITERITE, MONAZITE, AND ZIRCON IN SLIGHTLY RADIOACTIVE PLACER SAMPLE CONCENTRATE; ESTIMATED VOLUME OF GRAVEL: (HEAD OF GULCH TO MOUNTAIN FRONT) 84,500 CY IN DEPOSIT 1300 FT LONG BY 65 FT WIDE.

References

Reference (Deposit): USGS BULETIN 1024-C, P. 71, 79, 81, 83, 85.

Reference (Other Database): BAG-MF-426-54

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