Rockland Mine

Past Producer in Lyon county in Nevada, United States with commodities Gold, Silver, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10103997
MRDS ID M232538
Record type Site
Current site name Rockland Mine
Alternate or previous names Dolores-Rockland, Pittsburg-Dolores
Related records 10198499

Geographic coordinates

Geographic coordinates: -119.09514, 38.6463 (WGS84)
Elevation 2591
Relative position 3 MI. S. OF PINE GROVE

Site location context

Political divisions (FIPS codes)

Lyon(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pine Grove Spring(quadrangle 1:24,000 scale)

Smith Valley(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Walker(hydrologic unit)

Walker(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Lyon

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 09N 026E Nevada

Comments on the location information

  • UNSURVEYED TOWNSHIP

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Tertiary

Materials information

Materials Type of material
Argentite Ore
Pyrite Ore
Stephanite Ore
Quartz Gangue

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 Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -119.09514, 38.6463

Economic information

Ore body information

  • General form TABULAR
    Strike NW
    Dip 45-70NE

Comments on the geologic information

  • ORE OCCURS IN A VEIN ENTIRELY IN GRANODIORITE AT ITS NORTH END, THEN FOLLOWING & PASSING INTO A RHYOLITE DIKE WITH THE DIKE FINALLY AS A FOOTWALL. THE VEIN AVERAGES 3 FEET IN WIDTH. THE VEIN IS A FILLED FISSURE WITH SOME REPLACEMENT OF THE WALLS BY ORE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1867
Year of first production 1870

Mining district

District name Wilson District

Land status

Ownership category National Forest

Comments on the production information

  • TOTAL PRODUCTION= 45,797 TONS ORE WITH GROSS VALUE $380,611, PRODUCED IN THE YEARS 1870 TO 1879, 1915 TO 1917 AND 1933 TO 1934.

Comments on the workings information

  • TUNNELS

Comments on development

  • PRODUCTION INTERVALS WERE 1870-1879, 1915-1917, AND 1933-1934.

Reference information

Bibliographic references

  • Deposit

    MOORE, 1969, GEOLOGY & MINERAL DEPOSITS OF LYON, DOUGLAS, & ORMSBY COUNTIES, NEVADA; NBMG BULL. 75

  • Deposit

    STODDARD & CARPENTER, 1950, MINERAL RESOURCES OF STOREY & LYON COUNTIES, NEVADA; NEVADA; NBMG BULL. 49

  • Deposit

    LINCOLN, 1923, MINING DISTRICTS AND MINERAL RESOURCES OF NEVADA; NEVADA NEWSLETTER PUBLISHING CO.

  • Deposit

    HILL, 1915, SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA & NORTHWESTERN NEVADA; USGS BULL. 594 USBM MINERALS YEARBOOK 1914, PART I.

General comments

Subject category Comment text
Deposit DISCOVERED IN THE LATE 1860'S. IT PRODUCED 2,747 TONS OF ORE FROM 1870 TO 1879 WITH GROSS VALUE $74,503; 42,597 TONS FROM 1915 TO 1917 WITH GROSS VALUE $263,071; AND 443 TONS FROM 1933 TO 1934 WITH GROSS VALUE $43,037. DEVELOPED BY TUNNELS. ; INFO.SRC : 1 PUB LIT
Deposit Discovery Year: LATE 1860'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1981 Royse, Sue E. Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.