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

Lower Porphyry Gulch

Past Producer in San Juan county in Colorado, United States with commodities Lead, Silver
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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. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10143529
MAS/MILS ID 0081111155
Record type Site
Current site name Lower Porphyry Gulch

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -107.73564, 37.88421 (WGS84)
Elevation 3688
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Juan(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ironton(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)

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 San Juan

Commodities

Commodity Importance
Lead Primary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -107.73564, 37.88421
ListMap

Economic information

Economic information about the deposit and operations

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

Mining district

District name Red Mountain District

Reference information

Bibliographic references

  • Deposit

    BUREAU OF MINES OPENFILE REPORT MLA 2-92 SAMPLES 1355-1356

General comments

Subject category Comment text
Deposit 2 CAVED ADITS ON A NE-TRENDING VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAY-1992 Unknown U.S. Bureau of Mines

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.