Soda Springs Group

Past Producer in Larimer county in Colorado, United States with commodities Uranium, Silver, Lead, Bismuth, REE
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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10013868
MRDS ID D010400
Record type Site
Current site name Soda Springs Group

Geographic coordinates

Geographic coordinates: -105.61588, 40.6772 (WGS84)
Elevation 2774
Relative position 21.5 MILES N 15 W FROM ESTES PARK

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 008N 073W 06,07 Colorado

Comments on the location information

  • MOSTLY ON NW SIDE OF MINERAL SPRINGS GULCH. ELEV AND LAT-LONG GIVEN ARE FOR PROSPECT ON HILLTOP NEAR CENTER N2 SEC. 07. ; INFO FROM LAND.ST :(1980)

Commodities

Commodity Importance
Uranium Primary
Silver Tertiary
Lead Tertiary
Bismuth Critical Tertiary
REE Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Uranophane Ore
Biotite Gangue
Hematite Gangue

Analytical data

Result USGS/USBM SAMPLES CONTAINED 0.3 OZ/TON AG, TRACE PB, BI, AND Y, 0.043 % U308

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Quartzofeldspathic Mica Schist And Gneiss And Hornblende Gneiss;Granitic Gneiss
    Rock description Quartzofeldspathic Mica Schist And Gneiss And Hornblende Gneiss;Granitic Gneiss
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -105.61588, 40.6772

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

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Mayesville District

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Surface
    Overall depth 4.88M
    Overall length 10.06M
    Overall width 3.96M

Comments on the workings information

  • OPEN CUT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ZONED PEGMATITE TRENDS NE AND DIPS NEARLY VERTICAL. 2-FT-WIDE FELDSPAR-RICH OUTER ZONE CONTAINS GIANT BLADED BIOTITE; INNER ZONE IS QUARTZ-GRAPHIC GRANITE. SECONDARY U COATS MINUTE FRACTURES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1983 Schwochow, Stephen D. Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.