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

Logan Shaft

Past Producer in Dolores county in Colorado, United States with commodity Silver
Map
XML
JSON
KML
D
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. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10166535
MAS/MILS ID 0080330228
Record type Site
Current site name Logan Shaft
Alternate or previous names San Juan National Forest

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -108.02205, 37.71501 (WGS84)
Elevation 3018
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Dolores(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rico(quadrangle 1:24,000 scale)

Dove Creek(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Dolores(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)

Geographic areas

Country State County
United States Colorado Dolores

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 040 N 011 W 24 NWSE Colorado

Commodities

Commodity Importance
Silver Primary

Nearby scientific data

Main Entrance (1) -108.02205, 37.71501
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 REPLACEMENT
    Type of Orebody #2 SHEAR ZONE
    Type of Orebody #3 MASS SULFIDE
    Primary mode of Origin HYDROTHERMAL
    Date of Last Modification 920520

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Pioneer/Rico

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Rico Development Corp.
    Home office Colorado
    Year 1989

Comments on the workings information

  • CAVED SHAFT IN 1989, ABOUT 192,000 CUBIC FEET OF DUMP MATERIAL, SAMPLE # 243

Reference information

Bibliographic references

  • Deposit

    US BUREAU OF MINES OPEN FILE REPORT MLA 2-92

Reporter information

Type Date Name Affiliation Comment
Reporter 20-MAY-1992 Wood U.S. Bureau of Mines

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.