Montezuma prospect (Montezuma High Lode)

Prospect in Summit county in Colorado, United States with commodities Silver, Bismuth, Lead, Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Bibliographic references
  10. Reporter information

Geologic information

Identification information

Deposit ID 10311042
Record type Site
Current site name Montezuma prospect (Montezuma High Lode)
Alternate or previous names Modoc shaft, Blanche vein

Geographic coordinates

Geographic coordinates: -105.8381, 39.73721 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Clear Creek(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grays Peak(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt 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 Summit

Comments on the location information

  • Prospect is at 13,100 feet elevation, along the trace of the Roberts Tunnel, probably on or near Santa Fe Peak or Sullivan Mountain, about 1-1/2 miles SE of Montezuma, in or near sec. 31, T 5 S, R 75 W.

Commodities

Commodity Importance
Silver Secondary
Bismuth Critical Secondary
Lead Secondary
Gold Secondary

Comments on the commodity information

  • Three samples taken near the surface assayed 20-58 oz/ton silver, 0.02-0.03 oz/ton gold, 0.18-0.49% bismuth, and 0.64-10.3% lead.

Nearby scientific data

(1) -105.8381, 39.73721

Economic information

Comments on the geologic information

  • Blanche vein reported to be 8 to 44 in. wide, 2200 feet long, and found in Roberts Tunnel 4000 feet below surface.

Economic information about the deposit and operations

Operation type Underground
Development status Prospect

Mining district

District name Montezuma District

Comments on the production information

  • Reported production of $44,000 from Modoc shaft in 1873.

Comments on the reserve resource information

  • Anomalous bismuth, lead, silver, and gold values in selected mineralized samples. (Unpublished memos dated November 1999 in Sunshine Mining Co. file #222 at Colorado Geological Survey.)

Comments on the workings information

  • Claims (12 or 20) staked and filed at county courthouse.

Reference information

Bibliographic references

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 18-JAN-06 Beach, Richard A. Colorado Geological Survey

Beyond USGS

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

Authoritative Colorado resources

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