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Unnamed Pb-Zn-Mo-Cu-Ag Occurrence

Occurrence in Saguache county in Colorado, United States with commodities Lead, Zinc, Molybdenum, Copper, Silver
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10012921
MRDS ID D008940
Record type Site
Current site name Unnamed Pb-Zn-Mo-Cu-Ag Occurrence

Geographic coordinates

Geographic coordinates: -106.30477, 37.9389 (WGS84)
Elevation 2746
Relative position 18 MILES N 9 E OF DEL NORTE

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lime Creek(quadrangle 1:24,000 scale)

Del Norte(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Saguache(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 043N 006E 27 E2 OF SW OF SW Colorado

Comments on the location information

  • NEAR SADDLE ON SW PROJECTION OF CRYSTAL HILL ; INFO FROM LAND.ST :1977

Commodities

Commodity Importance
Lead Primary
Zinc Critical Tertiary
Molybdenum Tertiary
Copper Tertiary
Silver Tertiary

Alteration

  • (Local) Pervasive Propylitization; Locally Intense Argillization; Kaolinitization, Silicification

Analytical data

Result OSTERWALD'S SEMIQUANTITATIVE SPECTROSCOPIC ANALYSES OF ROCK SAMPLES SHOWED FOLLOWING ANOMALOUS CONCENTRATIONS OF PB, ZN, CU, AG, AND/OR MO: GT 10000 PPM PB, 2000 TO 4999 PPM ZN, 60 TO 100 PPM MO, 100 TO 249 PPM CU, 10 TO 49 PPM AG, 1000 TO 1500 PPM AS

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Biedell Quartz Latite
    Rock description Biedell Quartz Latite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
    Rock unit name Biedell Quartz Latite
    Rock description Biedell Quartz Latite

Nearby scientific data

(1) -106.30477, 37.9389
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, Rio Grande Rift
Type of structure Local
Structure description Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Crystal Hill District

Land status

Ownership category BLM Administrative Area

Reference information

Bibliographic references

  • Deposit

    OSTERWALD, E.J., 1977, THE BIEDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P

General comments

Subject category Comment text
Deposit IN QUARTZ LATITE PORPHYRY OF BIEDELL STOCK JUST NW OF BIEDELL-KLONDIKE FAULT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Schwochow, Stephen D. Colorado Geological Survey

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.