Michigan Bluff

Occurrence in Placer county in California, United States with commodity Nickel

Geologic information

Identification information

Deposit ID 10033777
MRDS ID M020423
Record type Site
Current site name Michigan Bluff

Geographic coordinates

Geographic coordinates: -120.77519, 39.03517 (WGS84)
Relative position 3 MI. BY PAVED ROAD FROM FORESTHILL
(click for info)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 011E 20,29,30 California

Commodities

Commodity Importance
Nickel Tertiary

Analytical data

Result SURFACE SAMPLE ASSAYED 0.03 PERCENT NICKEL

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.77519, 39.03517

Comments on the geologic information

  • GEOL.DESC: 100 ACRES CONTAINING NICKELIFEROUS LATERITE IS UNDERLAIN BY SERPENTINITE AND PERIDOTITE. THICKNESS OF DARK REDDISH-BROWN LATERITE IS NOT KNOWN.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1850

Ownership information

  • Type Owner
    Owner Fee Land

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M020423

Bibliographic references

  • Deposit

    BRIGHT, J.H., 1974 ( 1958 ), PRIVATE COMMUNICATION.

  • Deposit

    RYNEARSON, GARN A., 1953 , CHROMITE DEPOSITS IN N. SIERRA NEVADA, CALIF. (PLACER, NEVADA, SIERRA, YUBA, BUTTE, AND PLUMAS COUNTIES): CALIF. D.O.M. BULL. 134 , PT. 111 , CH. 5 , PP. 171 - 323

  • Deposit

    CHESTERMAN, C.W., 1976 , WRITTEN COMMUNICATION.

General comments

Subject category Comment text
Deposit Discovery Year: NICKEL IDENTIFIED 1957 , AREA WAS SITE OF ACTIVE GOLD MINING FROM 1850 THROUGH 1940'S, PRODUCED WELL OVER $25 MILLION IN GOLD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1978 Killman, K.; Albers, J. U.S. Geological Survey