Hill Chromite Prospects

The Hill Chromite Prospects is a chromium mine located in Alaska at an elevation of 2,001 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

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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: Hill Chromite Prospects

Commodity

Primary: Chromium

Location

State: Alaska
District: Chichagof

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: 1935
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: LENS, PINCH AND SWELL

Structure

Type: L
Description: Foliation Of Schist And Phyllite Country Rock Strikes Nw, Dips 50 Degrees - 90 Degrees Ne

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chromite
Gangue: Serpentine
Gangue: Pyroxene
Gangue: Olivine

Comments

Comment (Workings): NATURE OF WORKINGS, IF ANY, NOT DEFINED.

Comment (Geology): SILLS THICKEN MARKEDLY IN AXIAL PART OF MAJOR FOLD IN ENCLOSING SCHISTS AND PHYLLITES.

Comment (Deposit): DEPOSITS ARE SMALL, LOW GRADE, INACCESSABLE, AND OF NO COMMERCIAL SIGNIFICANCE. ; INFO.SRC : 1 PUB LIT

Comment (Development): CLAIMS STAKED BY JOE HILL IN 1935, BUT SHORTLY ABANDONED.

Comment (Location): LOCATION IS USGS MF-464, LOC. 6, WHICH CORRESPONDS TO LARGEST AND NORTHERNMOST ORE BODY SHOWN ON USGS B947-D, PLATE 20. OTHER ORE BODIES TREND SE FOR 5.0 MI., INCLUDING MF-464, LOCS. 6-13. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Deposit): SMALL LENSES, THIN LAYERS, AND DISSEMINATED SMALL GRAINS OF CHROMITE IN SMALL SERPENTINITE BODIES (ALTERED DUNITE AND PYROXENITE IN FORM OF SILLS CONCORDANT TO FOLIATION OF SCHIST AND PHYLLITE COUNTRY ROCK.

Comment (Reserve-Resource): TOTAL RESERVES IN ALL ORE BODIES AMOUNT TO NO MORE THAN A FEW HUNDRED TONS OF CHROMITE.

References

Reference (Other Database): BAG-MF-464-6

Reference (Deposit): USGS B 947-D, P. 72-73, PLATE 20 (1946)

Reference (Deposit): USGS B 936-G P. 173-174, 177-180 (1942)

Reference (Deposit): USGS OF 78-787, P. 12 (1978)

Reference (Deposit): USGS MF-464, LOC. 6-13 (1972)

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