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B & M Placer Mine

Producer in Humboldt county in Nevada, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10043953
MRDS ID M231262
Record type Site
Current site name B & M Placer Mine

Geographic coordinates

Geographic coordinates: -117.05344, 40.65073 (WGS84)
Elevation 1554
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Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 032N 044E 17,20 Nevada

Comments on the location information

  • MOUTHS OF SNOW GULCH AND PIUTE CANYON

Commodities

Commodity Importance
Gold Primary

Mineral occurrence model information

Model code 119
USGS model code 39a
BC deposit profile C01. C02
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -117.05344, 40.65073
ListMap

Ore body information

  • General form CHANNEL
    Depth to bottom 6.71M
    Width 9.14M
    Length 609.6M

Controls for ore emplacement

  • Channel, Streambed

Comments on the geologic information

  • AVERAGE 22 FEET TO BEDROCK

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1939
Discoverer G. Estes
Discovery method Ore-Mineral Not In Place
Year of first production 1940

Mining district

District name Battle Mountain District

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Artillery Resources, Cornelius O'Leary, Manager
    Home office 1055 West Georgia St, Suite 2020, Vancouver, B. C., Canada
    First year 1984

Workings at the site

  • Type of workings Surface
    Overall depth 9.14M

Comments on the workings information

  • NUMEROUS BULLDOZER AND BACKHOE TRENCHES; WATER WELLS IN THE 2 CANYONS, AND AN OPERATING OPEN PIT IN GRAVELS IN CAN-YON; GRAVITY CONCENTRATION PLANT.

Comments on development

  • OPERATED IN 1940 AND 1941 WITH A WASHING PLANT UTILIZING WATER PUMPED FROM HUMBOLDT VALLEY. ACTIVE SMALL OPEN PIT AND GRAVITY CONCENTRATION OPERATION (1984) EMPLOYING ABOUT 7 WORKERS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M231262

Bibliographic references

  • Deposit

    WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT COUNTY, NEV; N.B.M.G. BULL 59

  • Deposit

    JONES, R. B., 1984, DIRECTORY OF NEVADA MINE OPERATIONS ACTIVE DURING 1983, IN THE NEVADA MINERAL INDUSTRY-1983: N-BMG MI-1983.

  • Deposit

    JONES, R. B. AND PAPKE, K. G., 1984, ACTIVE MINES AND OIL FIELDS IN NEVADA-1983, NBMG MAP 84.

  • Deposit

    GARSIDE, L. J., 1984, FIELD EXAMINATION, 10 OCT 84.

  • Production

    WILLDEN, 1964.

General comments

Subject category Comment text
Deposit PLACER; CHANNEL
Deposit LOCATED IN 1939 BY G. ESTES; GOLD WAS FOUND IN A CHANNEL AVERAGING 30 FEET WIDE AND EXTENDING FOR ABOUT 2000 FEET DOWN THE FAN. BEDROCK DEPTH AVERAGED ABOUT 22 FEET. THE GOLD WAS COARSE, (AVERAGING OVER 1/8 INCH IN DIAMETER) AND WAS DISTRIBUTED UNIFORMLY THROUGHOUT THE GRAVEL. THE PROPERTY OPERATED IN 1940 AND 1941 WITH A WASHING PLANT UTILIZING WATER PUMPED FROM THE HUMBOLDT VALLEY ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Flynn, Patricia Dodd Nevada Bureau of Mines and Geology
Updater 01-JUL-1985 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology