Surprise Creek Prospect

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10000846
MRDS ID A011499
Record type Site
Current site name Surprise Creek Prospect

Geographic coordinates

Geographic coordinates: -144.25613, 61.40075 (WGS84)
Location accuracy 2000(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 49 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

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Epidote Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result NO DATA

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Skolai Group
    Rock description Skolai Group

Nearby scientific data

(1) -144.25613, 61.40075

Comments on the geologic information

  • COUNTRY ROCK IS BRECCIATED GREENSTONE OF SKOLAI GROUP NEAR A JURASSIC DIORITE PLUTON

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • SHORT TUNNEL DRIVEN BEFORE 1912

Comments on development

  • ACTIVE AROUND 1911

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011499

Bibliographic references

  • Deposit

    USGS BULL 576, P. 52

  • Deposit

    USGS BULL 1246, P. 62-63

  • Deposit

    USGS MF-438, LOC. 58

  • Deposit

    USGS OFR 80-892A

  • Deposit

    USGS OFR 80-892B, LOC. 49

  • Other Database

    BAG-OFR-80-892B-49

General comments

Subject category Comment text
Deposit MINERALIZED ZONE IN BRECCIATED VOLCANICS VEINED WITH INTERGROWN QUARTZ AND EPIDOTE; CHALCOPYRITE, PYRITE, CHRYSOCOLLA, CHALCOCITE AND BORNITE DISSEMINATED IN QUARTZ AND COUNTRY ROCK
Deposit DEPOSIT IS SIMILAR TO BLACKNEY PROSPECT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey