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Mcneil Copper Claims

Past Producer in Alaska, United States with commodities Copper, Gold, Silver, Iron
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Geologic information

Identification information

Deposit ID 10097533
MRDS ID A013050
Record type Site
Current site name Mcneil Copper Claims
Alternate or previous names Currently Sargent Copper Claims, Adggs Gr 8, P. 1 1965
Related records 10282659

Geographic coordinates

Geographic coordinates: -154.64787, 59.13357 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-364 LOCATION 20, NEAR MOUTH OF CREVICE CREEK LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysocolla Ore
Magnetite Ore
Malachite Ore
Actinolite Gangue
Calcite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result TEST SHIPMENTS OF 12 TONS OF ORE 1914-1916 AVERAGED 17.55% CU, 0.12 OZ/TON AU, 15 OZ/TON AG-USGS B773 P. 174

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
    Rock unit name Kamishak Formation
    Rock description Kamishak Formation

Nearby scientific data

(1) -154.64787, 59.13357
ListMap

Comments on the geologic information

  • CONTACT METAMORPHIC EPIDOTE-GARNET TACTITE BODIES AND MAGNETITE-QUARTZ BODIES, BOTH RELATIVELY SMALL AND DISCONTINUOUS.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911
Discoverer C.H. Mcneil
Year of first production 1914
Year of last production 1916

Mining district

District name Redoubt District

Land status

Ownership category State

Ownership information

  • Type Owner
    Owner E. Sargent And Associates
    First year 1980

Workings at the site

  • Type of workings Surface/Underground
    Length 18.29M

Comments on the workings information

  • NUMEROUS PROSPECT PITS AND 60 FT TUNNEL, ALL CURRENTLY CAVED IN.

Comments on development

  • MCNEIL CLAIMS WORKED 1911-1923, TEST SHIPMENTS TOTALING 12 TONS OF ORE MADE TO SMELTER IN TACOMA, WA. CLAIMS ABANDONED 1923, RE-CLAIMED BY E. SARGENT 1953, ASSESSMENT CONTINUING IN 1980.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013050

Bibliographic references

  • Deposit

    USGS MF-364, LOCATION 20 (1972)

  • Deposit

    ADGGS GR 8, P. 1, P. 10-14, FIG. 6, PLATE 1 (1965)

  • Deposit

    USGS OFR 81-1343 A, P. A6 (1981)

  • Deposit

    USGS B773, P. 173-174 (1925)

  • Other Database

    BAG-MF-364-20

General comments

Subject category Comment text
Deposit TACTITE SKARN DEPOSIT WITH DISSEMINATED CHALCOPYRITE; SULFIDE LENSES 3 FT BY 10 FT; QUARTZ-MAGNETITE BODIES, GOSSAN DEPOSITS.
Deposit PROBABLY SAME TACTITE BODY AS (PAINT RIVER) MF-364 LOC. 19; EXPLORATION STILL CONTINUING IN 1980 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey
Editor 02-SEP-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.