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

Grosso

Prospect in Jefferson county in Colorado, United States with commodities Uranium, Vanadium
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10191031
MAS/MILS ID 0080590013
Record type Site
Current site name Grosso

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.26698, 39.79109 (WGS84)

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ralston Buttes(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 003 S 070 W 18 Colorado

Commodities

Commodity Importance
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Beryl Unknown
Muscovite Unknown
Quartz Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) -105.26698, 39.79109
ListMap

Economic information

Ore body information

  • Strike N68E
    Dip 52S
    Field Value
    Type of Orebody #1 PEGMATITE
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 TABULAR
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Strike And Dip N68E:52S
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Front Range

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    REF:MAS

General comments

Subject category Comment text
Deposit INFORMATION FROM DMEA REPORT, DOCKET NO. 3336, DATED 1954. A TIME OF THE REPORT, THERE HAD BEEN NO PRODUCTION FROM THE CL WHICH WERE THEN CONTROLLED BY J.B. GROSSO AND OWNED BY L.C. E. LADWIG OF COLO. THE CLAIMS ARE ON THE 7-1/2 MINUTE MAP, R BUTTES. INCLUDED IN THE DMEA REPORT IS A LOCATION MAP. THE D REPORT CONCLUDED ASSISTANCE FOR EXPLORATION WOULD NOT BE JUS THUS ASSISTANCE WAS DENIED.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Minecom 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.