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Seavy Ranch Property

Occurrence in Archuleta county in Colorado, United States with commodity Calcium
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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. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014056
MRDS ID D010673
Record type Site
Current site name Seavy Ranch Property
Related records 10214475

Geographic coordinates

Geographic coordinates: -107.12895, 37.22835 (WGS84)
Elevation 2195
Relative position 7 MILES S 68 W FROM PAGOSA SPRINGS

Site location context

Political divisions (FIPS codes)

Archuleta(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lonetree Canyon(quadrangle 1:24,000 scale)

Durango(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Piedra(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado Archuleta

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 035N 002W 22,35 Colorado

Comments on the location information

  • ALONG UNNAMED TRIBUTARIES OF STOLLSTEIMER CREEK SW (SEC. 35) OF AND NW (SEC. 22) OF NUTRIA. ELEV AND LAT-LONG GIVEN ARE FOR SHAFT SITE IN E2 E2 NE SEC. 35. ; INFO FROM LAND.ST :1975

Commodities

Commodity Importance
Calcium Primary

Materials information

Materials Type of material
Calcite Ore

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Mancos Shale
    Rock description Mancos Shale
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -107.12895, 37.22835
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Basin
Type of structure Local
Structure description Sunetha Anticline, Second Box Anticline, West Fork Syncline

Ore body information

  • General form IRREGULAR
    Thickness 1.68M
  • General form IRREGULAR

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1938
Discoverer William T. Dequasie
Year of first production 1941
Year of last production 1941

Mining district

District name Pagosa Springs Area

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Colorado Minerals Co.
    First year 1943
  • Type Owner
    Owner Grant Seavy
    First year 1943

Comments on the workings information

  • 8 TRENCHES; 5 OPEN PITS; 30-FT SHAFT WITH 13 FT OF CROSSCUTS

Comments on development

  • SMALL TEST SHIPMENT OF SPAR MADE IN 1941 FROM SEAVY RANCH AND MEADOWS PROPERTIES; TOTAL 25 ST. ORE

Reference information

Bibliographic references

  • Deposit

    DESHAYES, E.V., AND WILSON, S.R., 1949, INVESTIGATION OF COLORADO MINERALS CO. CALCITE DEPOSITS, ARCHULETA AND HINSDALE COUNTIES, COLORADO: USBM RI-4554, 7 P.

  • Deposit

    STEVEN, T.A., AND OTHERS, 1974, GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP I-764.

General comments

Subject category Comment text
Deposit VEINS TREND N 17 W, VERTICAL TO STEEPLY NE. MUCH OF CALCITE CONSISTS OF MASSIVE DOGTOOTH SPAR AND INTERGROWN CRYSTALS, MOSTLY FRACTURED, DISCOLORED, AND UNSUITABLE FOR OPTICAL PURPOSES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1983 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.