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Mary Murphy Group

Past Producer in Chaffee county in Colorado, United States with commodities Gold, Silver, Lead, Zinc, Copper
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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. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10017155
MRDS ID DC02999
Record type Deposit
Current site name Mary Murphy Group
Alternate or previous names Mary Murphey, Mary Murphy Mine
Related records 10214309, 10287119

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -106.34861, 38.66861 (WGS84)
Elevation 3124
Location accuracy 10(meters)
Relative position Approx. 2 mi. south of St. Elmo.

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Saint Elmo(quadrangle 1:24,000 scale)

Gunnison(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Chaffee

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 51N 06E 18 Colorado

Commodities

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

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Chalcopyrite Ore
Quartz Gangue
Rhodochrosite Gangue
Rhodonite Gangue
Calcite Gangue
Barite Gangue
Fluorite Gangue
Psilomelane Trace
Pyrolusite Trace
Malachite Trace
Azurite Trace
Chrysocolla Trace
Pyrite Unknown
Cerrusite Unknown
Smithsonite Unknown
Anglesite Unknown

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 Host
    Rock type Plutonic Rock > Granitoid > Monzonite
    Rock unit name Mount Princeton quartz monzonite

Nearby scientific data

Main Entrance (1) -106.34861, 38.66861
ListMap

Economic information

Ore body information

  • Name Mary vein, West Pat vein, East Pat vein, Morley vein, Nelson vein
    General form vein

Comments on the geologic information

  • GEOL.DESC: PYRITIC QTZ VEINS. GALENA, SPHALERITE, CHALCOPYRITE, CERUSSITE, CALAMINE, SMITHSONITE, AND FREE GOLD IN THE VEIN

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Production years Probably produced continuously from 1870-1925. Intermittent production from 1926-1951. Production records available for 1901-1949.

Mining district

District name Chalk Creek (Alpine, Romley, St. Elmo)

Production statistics

  • Year 1951
    Period 1901-1949
    Ore mined 346361.54mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Copper Copper 632407.1mt
    Major Zinc Zinc 6593121.13mt
    Major Lead Lead 8497131.35mt
    Major Silver Silver 30205150.26g
    Major Gold Gold 3429283.19g

Comments on the production information

  • CHAFFEE CO. 1869-1961: 66,849.98 T. LEAD, 15,442.15 T. ZINC

Reference information

Bibliographic references

  • Deposit

    SHARPS, 1963, COLO. SCH. MINES MINERAL IND. BULL., V.6, NO.6

  • Reference

    Dings and Robinson, 1957, USGS Prof. Paper 289, p. 98-101.

  • Location

    Mine Map Repo # 408148

  • Location

    Mine Map Repo #4 07576

General comments

Subject category Comment text
Deposit RECORD DC04999 HAS BEEN MERGED WITH THIS RECORD AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey
Updater 1992-08-01 Spanski, Gregory T. U.S. Geological Survey
Updater 2007-05-15 Wilson, Anna B. U.S. Geological Survey Updated master record based in information in Dings and Robinson. Combined 10287119 (MAS 008150006 and 0080150197) into MRDS CD02999. List of maps is not helpful--the geologic maps are embedded in the references.

Beyond USGS

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

Maps centered on this site

Authoritative Colorado resources

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