1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Mastodon

Occurrence in San Juan county in Colorado, United States with commodities Silver, Lead
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10018673
MRDS ID DC05856
Record type Site
Current site name Mastodon
Related records 10118758

Geographic coordinates

Geographic coordinates: -107.60342, 37.90834 (WGS84)
Relative position 1 MILE NE OF LAKE EMMA

Site location context

Political divisions (FIPS codes)

San Juan(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Handies Peak(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Animas(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado San Juan

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 42N 07W 14 Colorado

Commodities

Commodity Importance
Silver Primary
Lead Primary

Nearby scientific data

(1) -107.60342, 37.90834
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: SAME LODE AS SUNNYSIDE EXTENSION

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    RANSOME, 1901, USGS BULL. 182, P. 181.

  • Deposit

    CONSV. DIV. COMP. DATE, 9,64

General comments

Subject category Comment text
Deposit SOME RICH SILVER ORE IRREGULARLY DISTRIBUTED IN LOW GRADE ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey

Beyond USGS

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

External references

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.