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Garfield Mine, East Rifle Creek area, Garfield Co., Colorado, USA

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Latitude & Longitude (WGS84): 39° 39' 23'' North , 107° 42' 18'' West
Latitude & Longitude (decimal): 39.65665,-107.70504
GeoHash:G#: 9x53t578d
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


Ref.: Eckel, Edwin B. (1997), Minerals of Colorado, updated & revised: 16. Located on East Rifle Creek about 13 mi northeast of Rifle; access is by state highway 13 for 3 mi north of Rifle, then northeast on state highway 325 past the Rifle Gap Reservoir. On the West side of East Rifle Creek in SW ¼ sec. 34 and SE ¼ sec. 33, T. 4 S., R. 92 W.


Mineral List


20 valid minerals.

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

Late Jurassic - Late Triassic
145 - 237 Ma



ID: 2896690
Morrison, Curtis, Entrada, and Glen Canyon Fms

Age: Mesozoic (145 - 237 Ma)

Stratigraphic Name: Morrison Formation; Curtis Formation; Entrada Sandstone; Glen Canyon Formation

Description: Curtis is absent along Grand Hogback

Lithology: Major:{sandstone,mudstone,claystone}, Minor:{siltstone,shale}

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]

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

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



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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