Hilltop Mine

Past Producer in Park county in Colorado, United States with commodities Silver, Lead, Zinc, Copper, Gold

Geologic information

Identification information

Deposit ID 10016202
Record type Site
Current site name Hilltop Mine
Alternate or previous names Hill Top Mine, Sherman-Hilltop Property, Last Chance Lode

Geographic coordinates

Geographic coordinates: -106.17478, 39.21388 (WGS84)
Location accuracy 10(meters)
(click for info)

Geographic areas

Country State County
United States Colorado Park

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 10S 79W 01 NE4 Colorado

Comments on the location information

  • At the head of Fourmile Creek, south of Mount Sherman, about 7 miles ESE of Leadville, in NW/4 sec 1, T 10 S, R 79 W.


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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Silver Ore
Smithsonite Ore
Sphalerite Ore
Barite Gangue
Calcite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

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 Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Leadville Dolomite
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -106.17478, 39.21388

Comments on the geologic information

  • Ore bodies are in fault-controlled, solution-enlarged joint system.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Horseshoe District

Comments on the production information

  • Early production from 1888-90 totaled $559,355 in silver and $568,907 in lead. Output from 1901-23 from 31,682 tons of ore was 1,842 oz gold, 410,438 oz silver, 7,842,672 lb lead, 2,530,935 lb zinc, and 106,700 lb copper. (Behre, 1953)
  • Total production is about 8,000,000 oz of silver, plus unknown amounts of lead, zinc, gold, and copper. (Bloom, 1965)

Comments on development

  • Hilltop and Sherman mines and surrounding claims (about 3600 acres) consolidated by mining company. (Sunshine files, 2000)

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS DC00680

Bibliographic references

  • Deposit


  • Deposit

    Behre, C. H., Jr., 1953, Geology and ore deposits of the west slope of the Mosquito Range (Colorado): U.S. Geological Survey Professional Paper 235, 176 p.

  • Deposit

    Bloom, D. N., 1965, Geology of the Horseshoe district and ore deposits of the Hilltop mine, Park County, Colorado: Golden, Colorado School of Mines, Ph.D. dissertation, 211 p.

  • Deposit

    Johansing, R. J., and Thompson, T. B., 1990, Geology and origin of Sherman-type deposits, central Colorado: Economic Geology Monograph 7, p. 367-394.

  • Deposit

    Tschauder, R. J., Landis, G. P., and Noyes, R. R., 1990, Late Mississippian karst caves and Ba-Ag-Pb-Zn mineralization in central Colorado: Part I. Geologic framework, mineralogy, and cave morphology: Economic Geology Monograph 7, p. 308-338.

  • Development

    Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.

  • Deposit

    MINE MAP REPO #402590 #403245 #403249

  • Deposit


  • Deposit

    MSHA.DBF, 1995.

  • Deposit

    CONSV. DIV. COMP. DATE, 9,64

  • Deposit

    DMEA 1463, 4572; OME 6615

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1972 Conservation Division Files U.S. Geological Survey
Updater 01-MAR-2006 Beach, Richard A. Colorado Geological Survey
Reporter 10-APR-1995 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Reporter 01-JUL-1977 Hasler, J. William U.S. Geological Survey