Bonnell Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Lead, Zinc, Copper, Antimony

Geologic information

Identification information

Deposit ID 10000598
MRDS ID A011204
Record type Site
Current site name Bonnell Prospect
Alternate or previous names Bunnell, Neversweat
Related records 10258064, 10282905

Geographic coordinates

Geographic coordinates: -151.0215, 63.50262 (WGS84)
Location accuracy 1000(meters)
Relative position 2 1/2 MI SW OF KANTISHNA, AK
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • PLOTTED FROM USGS BULL 849-F, P. 376; "SOUTH SIDE OF ELDORADO CR. AT THE JUNCTION OF REINHART CR." 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
Silver Primary
Lead Secondary
Zinc Secondary
Copper Secondary
Antimony Secondary

Comments on the commodity information

  • GALENA, SPHALERITE, ARSENOPYRITE AND PYRITE LISTED AS GOLD-SILVER BEARING MINERALS

Materials information

Materials Type of material
Calcite Gangue
Quartz Gangue
Rhyolite Gangue
Schist Gangue

Analytical data

Result 0.04 TO 0.34 OZ AU AND TRACE TO 11.10 OZ AG PER TON
Result FLOAT SAMPLE WITH CHALCOPYRITE CONTAINED 0.04 OZ AU AND 44.96 OZ AG PER TON
Result MORRISON, D.A., 1964, P. 97-98
Result CHANNEL SAMPLE CONTAINED 30% PB+ZN AND 13.5 OZ AG PER TON
Result USBM OFR 24-78, P. 4-20

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Birch Creek
    Rock description Birch Creek
    Stratigraphic age (youngest) Early Cambrian

Nearby scientific data

(1) -151.0215, 63.50262

Ore body information

  • General form PINCH AND SWELL
    Strike N 70 E TO N 90 E
    Dip 50 SE TO 70 SE
    Thickness 45.72M
    Length 83.82M

Controls for ore emplacement

  • Possibly Intersecting Dikes In Area

Comments on the geologic information

  • MINERALIZED CONTACT BETWEEN QUARTZ PORPHYRY AND "BIRCH CREEK" SCHIST, MASSIVE AND DISSEMINATED SULFIDES IN IGNEOUS BODY AND IN VEINS ALONG CONTACT; ONLY CONTACT MINERALIZATION KNOWN IN THE AREA

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer John Busia

Mining district

District name Kantishna

Land status

Ownership category National Park

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Total resources 15,500,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.5647 g/mt Gold Major 1983
    Silver Ag 22.1243 g/mt Silver Major 1983

Comments on the reserve resource information

  • ADGGS RI 83-12, P. 17

Comments on the workings information

  • EXPLORED BY 3 SHORT ADITS, 2 OF WHICH WERE CAVED BY 1977

Comments on development

  • OPEN ADIT MAPPED BY USBM IN 1977, ACTIVE PROSPECTING IN 1963

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011204

Bibliographic references

  • Deposit

    USGS BULL 849-F, P. 358, 376

  • Deposit

    MORRISON, D.A, 1964, GEOLOGY AND ORE DEPOSITS OF KANTISHNA AND VICINITY, KANTISHNA DISTRICT, ALASKA: ALASKA UNIVERSITY, COLLEGE, M.S. THESIS, P. 93, 97-98

  • Deposit

    ADGGS OFR 98, P. 9-10, 28

  • Deposit

    USGS OFR 77-169A, P. 44 LOC. 2

  • Deposit

    USBM OFR 24-78, P. 4-20 TO 4-22

  • Deposit

    ADGGS GEOLOGIC REPORT 61, P. 26, 29

  • Deposit

    ADGGS RI 83-12, P. 17

General comments

Subject category Comment text
Deposit COMPLEXLY FAULTED QUARTZ-SIDERITE VEINS UPTO 4 FT THICK INTRUDED ALONG CONTACT BETWEEN QUARTZ-PORPHYRY AND SCHIST; DISSEMINATED SULFIDES IN QUARTZ PORPHYRY; VEINS SHOW PINCH AND SWELL STRUCTURE ALONG STRIKE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-84 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey