Rock of Ages Mine

Past Producer in Dolores county in Colorado, United States with commodities Gold, Silver, Lead, Copper, Zinc
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. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014221
MRDS ID D010894
Record type Site
Current site name Rock of Ages Mine
Alternate or previous names Patented Claims: Rock of Ages, MS 19205a, Rock of Ages No. 2, MS 19205a, Peak View, MS 19205a, Rock of Ages Mill Site, MS 19205b

Geographic coordinates

Geographic coordinates: -107.99285, 37.8557 (WGS84)
Elevation 3920
Location accuracy 10(meters)
Relative position 11.2 MILES S 50 W FROM TELLURIDE. Adit labeled on Bull. 1227, pl. 1.

Site location context

Political divisions (FIPS codes)

Dolores(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Wilson(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Miguel(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Lizard Head Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Dolores
United States Colorado San Miguel

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 042N 010W 32 S2 Colorado

Comments on the location information

  • CLAIMS STRADDLE COUNTY LINE ON DIVIDE BETWEEN NAVAJO BASIN AND SILVER PICK BASIN 0.5 MILE SW OF WILSON PEAK. ELEV AND LAT-LONG GIVEN ARE FOR MAIN TUNNEL ON DOLORES COUNTY SIDE OF RIDGE. as labeled on pl. 1 of Bull 1227.
  • PLSS location for duplicate, deleted record 10288521 was 41N, 10W, sec. 5, N2N2N2, but this area is unsurveyed and PLSS is not shown on topos.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Copper Primary
Zinc Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result FIRE ASSAY OF VEIN MATERIAL CONTAINED 0.04 OZ/TON AU, 0.54 OZ/TON AG, 0.52% CU, 0.26% PB, 0.10% ZN

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Wilson Peak Stock--Porphyritic Adamellite;Wilson Peak Stock--Granodiorite
    Rock description Wilson Peak Stock--Porphyritic Adamellite;Wilson Peak Stock--Granodiorite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -107.99285, 37.8557

Economic information

Geologic structures

Type of structure Regional
Structure description Paradox Basin, San Miguel Mtns
Type of structure Local
Structure description Wilson Peak Stock

Controls for ore emplacement

  • Generally Ne-Trending Fissures Cutting Intrusive Rocks

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Mount Wilson District

Land status

Ownership category National Wilderness
Area name San Juan N. F. , Lizard Head Wilderness

Ownership information

  • Type Owner-Operator
    Owner Ed Hotz and Ed Netherton
    Year 1964

Comments on the workings information

  • ONE TUNNEL DRIVEN GENERALLY NORTH, EXACT EXTENT UNKNOWN; WORKINGS CONSISTED OF AT LEAST 700 FT OF CROSSCUTS AND DRIFTS.

Comments on development

  • CLAIMS SURVEYED IN 1911 AND PATENTED IN 1914 BY CHARLES F. PAINTER, BUT MINE REPORTEDLY PRODUCED ORE AT LEAST IN LATE 1890s.

Reference information

Bibliographic references

  • Deposit

    BROMFIELD, C.S., AND OTHERS, 1972, MINERAL RESOURCES OF THE WILSON MOUNTAINS PRIMITIVE AREA, COLORADO: USGS BULL. 1353-A, P. 50-51.

  • Deposit

    BROMFIELD, C.S., 1967, GEOLOGY OF THE MOUNT WILSON QUADRANGLE, WESTERN SAN JUAN MOUNTAINS, COLORADO: USGS BULL. 1227, p. 93, pl. 1.

  • Deposit

    BLM MINERAL SURVEY MS 19205A&B

  • Deposit

    CBM Annual Report, 1964

General comments

Subject category Comment text
Deposit ON NORTH SIDE OF WILSON PEAK STOCK, NUMEROUS FISSURES TRENDING N 60 TO 80 E DIP STEEPLY NW AND SE, AND CUT PORPHYRITIC ADAMELLITE NEAR CONTACT WITH GRANODIORITE. SOME FISSURES CONTAIN DISCONTINUOUS VEINS 0.5 TO 2 INCHES WIDE AND COMPOSED OF QUARTZ, PYRITE, AND SULFIDES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-83 Schwochow, Stephen D. Colorado Geological Survey
Reporter 17-NOV-83 Denton, David K. U.S. Bureau of Mines
Editor 11-JUL-08 Wilson, Anna B U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Colorado resources

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