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Tomboy Mine, Telluride District (Upper San Miguel District), San Juan Mts, San Miguel Co., Colorado, USAi
Regional Level Types
Tomboy MineMine
Telluride District (Upper San Miguel District)Mining District
San Juan MtsMountain Range
San Miguel Co.County
ColoradoState
USACountry

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Latitude & Longitude (WGS84): 37° 56' 10'' North , 107° 45' 11'' West
Latitude & Longitude (decimal): 37.93611,-107.75306
GeoHash:G#: 9weru409g
Locality type:Mine
Köppen climate type:Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Telluride2,399 (2018)5.2km
Mountain Village1,395 (2017)9.1km
Ophir169 (2017)11.2km
Ouray1,008 (2017)12.0km
Silverton637 (2011)15.8km


Commodities (Major) - Gold; (Trace) - Zinc, Silver, Lead, Fluorine-Fluorite
Development Status: Past Producer
OWN-OPR: FITZ WRIGHT 1953

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


6 valid minerals.

Detailed Mineral List:

Fluorite
Formula: CaF2
Galena
Formula: PbS
Gold
Formula: Au
Quartz
Formula: SiO2
Silver
Formula: Ag
Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

OOxygen
O QuartzSiO2
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
SSulfur
S SphaleriteZnS
S GalenaPbS
CaCalcium
Ca FluoriteCaF2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
AuGold
Au GoldAu
PbLead
Pb GalenaPbS

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

Miocene - Eocene
5.333 - 56 Ma



ID: 3190650
Cenozoic volcanic rocks

Age: Cenozoic (5.333 - 56 Ma)

Stratigraphic Name: San Juan Mountains

Comments: Southern Rocky Mountains

Lithology: Intermediate-felsic volcanic rocks

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]

Rupelian - Priabonian
28.1 - 37.8 Ma



ID: 2786229
Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates

Age: Paleogene (28.1 - 37.8 Ma)

Description: Includes several named units

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:{andesite}, Minor:{volcanic,conglomerate,igneous}

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]

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)
USGS 7.5 TOPO QUAD.
C D M SUMMARY ANNUAL REPORT 1953.
MIN MAP REPO #408327 1928.


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