|Latitude & Longitude (WGS84):||37° 57' 24'' North , 107° 37' 35'' West|
|Latitude & Longitude (decimal):||37.95694,-107.62645|
|Köppen climate type:||Dfc : Subarctic climate|
Poughkeepsie Gulch is northeast of the Red Mountains. Only the upper (southern) part is in San Juan County.
Mineral ListMineral list contains entries from the region specified including sub-localities
32 valid minerals. 1 (TL) - type locality of valid minerals.
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
|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. 
23.03 - 33.9 Ma
|Ash-flow tuff of main volcanic sequence|
Age: Oligocene (23.03 - 33.9 Ma)
Description: Includes many named units
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.