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Pinochle Prospect

Occurrence in Alaska, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10000824
MRDS ID A011476
Record type Site
Current site name Pinochle Prospect
Related records 10233986

Geographic coordinates

Geographic coordinates: -146.13505, 61.20349 (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. 27. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • PYRITE IS ONLY VISIBLE SULFIDE

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group;Valdez Group

Nearby scientific data

(1) -146.13505, 61.20349
ListMap

Geologic structures

Type of structure Regional
Structure description Host Rock Is Closely Folded Along E-W Fold Aces

Ore body information

  • General form VEINS AND LENSES
    Dip }
    Width 0.91M
  • General form VEINS AND LENSES
    Dip }
    Width 0.3M

Controls for ore emplacement

  • Fracture Control

Comments on the geologic information

  • SCHISTOSITY OF COUNTRY ROCK IS N 67 W WITH 86 N DIP.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Mining district

District name Port Valdez

Land status

Ownership category State

Comments on the workings information

  • MORE THAN 200 FT OF UNDERGROUND WORKINGS AND SOME SURFACE STRIPPING DONE BETWEEN 1911 AND 1916; CURRENT CONDITION UNKNOWN

Comments on development

  • FAIRLY WELL EXPLORED BY UNDERGROUND WORKINGS BY 1916; PROBABLY NOTECONOMIC DEPOSIT, SINCE NO POST 1916 WORK APPEARS TO HAVE BEEN DONE

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011476

Bibliographic references

  • Deposit

    USGS BULL 622, P. 153, 161-162

  • Deposit

    USGS BULL 642, P. 143

  • Deposit

    USGS BULL 662, P. 190

  • Deposit

    USGS MF-438, LOC. 35

  • Deposit

    USGS OFR 80-892B, LOC. 27

  • Other Database

    BAG-OFR-80-892B-27

General comments

Subject category Comment text
Deposit VERTICAL FISSURE STRIKING N 30 TO 60 W, 4 TO 36 IN WIDE, CONTAINS VARIABLE AMOUNTS OF QUARTZ VEINS AND LENSES; CROSSCUT ENCOUNTERED VERTICAL SHEAR ZONE RUNNING N 85 W, 4 TO 12 IN WIDE WITH UP TO 12 IN QUARTZ VEIN; PYRITE IS ONLY VISIBLE SULFIDE
Deposit SEE ALSO: RAMSEY RUTHERFORD MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.
Editor 14-APR-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE ORE BODY FIELDS FROM THE DEPOSIT COMMENTS FIELD.