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  3. Mineral Resource Data System (MRDS)

Prodigal Mine

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

Geologic information

Identification information

Deposit ID 10087883
MRDS ID D010596
Record type Site
Current site name Prodigal Mine
Alternate or previous names Unpatented Claims: Prodigal, Opal Extension

Geographic coordinates

Geographic coordinates: -105.60393, 40.73498 (WGS84)
Elevation 2637
Relative position 29.8 MILES N70W FROM FORT COLLINS

Site location context

Political divisions (FIPS codes)

Larimer(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rustic(quadrangle 1:24,000 scale)

Fort Collins(quadrangle 1:100,000 scale)

Greeley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Cache La Poudre(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Larimer

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 009N 073W 18,19,20,21 Colorado

Comments on the location information

  • SECTIONS LISTED ARE FROM CDM INF. REPT. ELEV AND LAT-LONG GIVEN AR E FOR PROSPECT IN NW NW SEC. 20, PROBABLE LOCATION BASED ON PRODIGAL 1 AND 2 CLAIMS RELOCATION IN 1979 (BLM RECORDS). ; INFO FROM LAND.ST :1980

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Pyrite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Laramide Intrusive Rocks--Quartz Monzonite Porphypy;Sherman Granite
    Rock description Laramide Intrusive Rocks--Quartz Monzonite Porphypy;Sherman Granite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Sherman Granite;Laramide Intrusive Rocks-Quartz Monzonite Porphyry
    Rock description Sherman Granite;Laramide Intrusive Rocks-Quartz Monzonite Porphyry

Nearby scientific data

(1) -105.60393, 40.73498
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Front Range Uplift, Sherman Batholith
Type of structure Local
Structure description Poudre River Shear Zone, Elkhorn Creek Shear Zone

Ore body information

  • Thickness 0.61M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Manhattan District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Robinson Ranch Mines, Inc.
    Home office Livermore
    First year 1964
  • Type Owner
    Owner E. C. And Z. M. Robinson
    Home office Livermore
    First year 1964

Comments on the workings information

  • SURFACE TRENCHING; 165-FT-DEEP SHAFT, SHORT CROSSCUTS AND DRIFTS

Comments on development

  • ASSESSMENT WORK DONE 1921-29

Reference information

Bibliographic references

  • Deposit

    LOVERING, T.S., AND GODDARD, E.N., 1950, GEOLOGY AND ORE DEPOSITS O F THE FRONT RANGE, COLORADO: USGS PROF. PAPER 223, P. 286.

  • Deposit

    COLORADO DIV. MINES INF. REPT.

General comments

Subject category Comment text
Deposit AIRPHOTOS INDICATE PROBABLE QUARTZ MONZONITE DIKE (PRODIGAL VEIN) TRENDING N3 TO 15E FROM NW SEC. 20 INTO E2 W2 SEC. 17 ON EAST FLANK O F PROHIBITION MTN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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.