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Thornburg Mine (Los Ochos claims; Los Ochos Mine; Thornburg No. 1 Mine; T-1 Mine), Cochetopa District (Cochetopa Creek District), Saguache Co., Colorado, USAi
Regional Level Types
Thornburg Mine (Los Ochos claims; Los Ochos Mine; Thornburg No. 1 Mine; T-1 Mine)Mine
Cochetopa District (Cochetopa Creek District)Mining District
Saguache Co.County
ColoradoState
USACountry

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Key
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Latitude & Longitude (WGS84): 38° 22' 10'' North , 106° 44' 47'' West
Latitude & Longitude (decimal): 38.36945,-106.74639
GeoHash:G#: 9wu46bvwh
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Gunnison6,076 (2018)25.0km


Commodities (Major) - Uranium
Development Status: Past Producer
Host Rock Unit: Metasedimentary Rocks
Structure: Cochetopa Dome; Los Ochos Fault; Razor Creek Dome, San Juan Volcanic Field; Gunnison Uplift
Host Rock: Schist, Sandstone, Clay, Mud, Mudstone
Tectonic Structure: Central Cordillera (Southern Rocky Mtns); Colorado Platform

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Bornite
Formula: Cu5FeS4
Reference: Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Chalcopyrite
Formula: CuFeS2
Reference: Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Ilsemannite
Formula: Mo3O8 · nH2O
Reference: Minerals of Colorado (1997) Eckel, E. B.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Johannite
Formula: Cu(UO2)2(SO4)2(OH)2 · 8H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Marcasite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Metazeunerite
Formula: Cu(UO2)2(AsO4)2 · 8H2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Quartz
Formula: SiO2
Reference: Minerals of Colorado (1997) E.B. Eckels; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Quartz var: Chalcedony
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Uraninite
Formula: UO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Uraninite var: Pitchblende
Formula: UO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
Uranopilite
Formula: (UO2)6(SO4)O2(OH)6 · 14H2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Zippeite
Formula: K3(UO2)4(SO4)2O3(OH) · 3H2O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Marcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
Ilsemannite4.FJ.15Mo3O8 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Johannite7.EB.05Cu(UO2)2(SO4)2(OH)2 · 8H2O
Uranopilite7.EA.05(UO2)6(SO4)O2(OH)6 · 14H2O
Zippeite7.EC.05K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Metazeunerite8.EB.10Cu(UO2)2(AsO4)2 · 8H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Group 4 - SIMPLE OXIDES
Miscellaneous
Ilsemannite4.6.3.1Mo3O8 · nH2O
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)6(XO4)Zq·xH2O
Uranopilite31.2.6.1(UO2)6(SO4)O2(OH)6 · 14H2O
(AB)3(XO4)2Zq·xH2O
Johannite31.8.2.1Cu(UO2)2(SO4)2(OH)2 · 8H2O
Miscellaneous
Zippeite31.10.4.1K3(UO2)4(SO4)2O3(OH) · 3H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Metazeunerite40.2a.14.2Cu(UO2)2(AsO4)2 · 8H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Uranophane53.3.1.2Ca(UO2)2(SiO3OH)2 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Chalcedony-SiO2
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

HHydrogen
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
H IlsemanniteMo3O8 · nH2O
H JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
H MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
OOxygen
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
O Uraninite (var: Pitchblende)UO2
O BaryteBaSO4
O Quartz (var: Chalcedony)SiO2
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
O IlsemanniteMo3O8 · nH2O
O JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
O QuartzSiO2
O MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
O UraniniteUO2
SiSilicon
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
S BaryteBaSO4
S MarcasiteFeS2
S Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
S JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
S ChalcopyriteCuFeS2
S BorniteCu5FeS4
KPotassium
K ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
CaCalcium
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
FeIron
Fe MarcasiteFeS2
Fe ChalcopyriteCuFeS2
Fe BorniteCu5FeS4
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
Cu MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
AsArsenic
As MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
MoMolybdenum
Mo IlsemanniteMo3O8 · nH2O
BaBarium
Ba BaryteBaSO4
UUranium
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
U Uraninite (var: Pitchblende)UO2
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
U JohanniteCu(UO2)2(SO4)2(OH)2 · 8H2O
U MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
U UraniniteUO2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 2855928
Granitic rocks of 1700-m.y. age group

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Boulder Creek Granite; Cross Creek Granite; Denny Creek Granodiorite; Kroenke Granodiorite; Browns Pass Quartz Monzonite; Powderhorn Granite; Pitts Meadow Granodiorite; Bakers Bridge Granite; Tenmile Granite

Description: Includes Boulder Creek -M.Y. AGE GROUP (AGE 1650-1730 M.Y.)--Includes Boulder Creek, Cross Creek, Denny Creek, Kroenke, Browns Pass, Powderhorn, Pitts Meadow, Bakers Bridge, and Tenmile Granites, Quartz Monzonites, or Granodiorites; also, unnamed granitic rocks

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{granite}, Minor:{granodiorite,quartz monzonite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleoproterozoic
1600 - 2500 Ma



ID: 3192520
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Malan, R.C., and Ranspot, H.W. (1959), Geology of the Uranium Deposits in the Cochetopa Mining District, Saguache and Gunnison Counties, Colorado. Economic Geology: 54(1): 1-19.
NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER,....


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