Lower Spring City Canyon

Occurrence in Humboldt county in Nevada, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10045042
MRDS ID M232696
Record type Site
Current site name Lower Spring City Canyon
Alternate or previous names Bullion Mine?

Geographic coordinates

Geographic coordinates: -117.46986, 41.57378 (WGS84)
Elevation 1615
Relative position 55 MILES NNE OF WINNEMUCCA
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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 043N 040E 28 Nevada

Comments on the location information

  • 1 1/2 MILES BELOW SPRING CITY SITE NEAR MOUTH OF CANYON

Commodities

Commodity Importance
Copper Primary

Analytical data

Result AU, 0.005-0.01 OZ/TON
Result AG 0.12 TO 0.39 OZ/TON.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -117.46986, 41.57378

Controls for ore emplacement

  • Irregular Fractures; Shear Zone In E-Central Part

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1908
Discovery method Ore-Mineral In Place
Year of first production 1875

Mining district

District name Spring City District

Land status

Ownership category Private

Workings at the site

  • Type of workings Surface/Underground
    Length 243.84M
    Overall depth 121.92M

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M232696

Bibliographic references

  • Deposit

    DECKER, D.J., 1974, MINERAL RESOURCE OWNERSHIP INVESTIGATION, NEVADA GARVEY RANCH, HUMBOLDT AND ELKO COUNTIES, NEVADA, UNPUBLISHED REPORT ON FILE AT NBMG: HUMBOLDT COUNTY, ITEM 1

General comments

Subject category Comment text
Deposit SEVERAL OLD SHALLOW INCLINED SHAFTS AND SHORT ADITS ARE DRIVEN ON NARROW QUARTZ VEINS. THE SITE OF THE EARLY-DAY MINING CAMP OF BULLION. THE USGS IN 1908 REPORTED THAT "THE BULLION MINE IS OPENED BY A 400-FT. VERTICAL SHAFT AND AN 800-FT. TUNNEL. THE DUMPS ARE NOW ALL OVERGROWN AND WORKINGS CAVED. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1981 La Pointe, D. D. Nevada Bureau of Mines and Geology
Updater 01-MAY-1987 La Pointe, D.D. Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey