Apex Mine (Rundberg Mine; Early Day Mine), Reese River District, Lander Co., Nevada, USA
|Latitude & Longitude (WGS84):||39° 27' 30'' North , 117° 5' 56'' West|
|Latitude & Longitude (decimal):||39.45833,-117.09889|
|Köppen climate type:||BSk : Cold semi-arid (steppe) climate|
A former U occurrence/mine located in sec. 1, T18N, R43E, MDM.
34 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
145 - 201.3 Ma
|Older felsic phaneritic intrusive rocks|
Age: Jurassic (145 - 201.3 Ma)
Description: Concentrated in two areas of the State; common in the west-central part of the State along the California border in Mineral, Esmeralda, Lyon, Douglas, and Carson Counties. There is another more widely scattered group in eastern and central Nevada in Elko, Eureka, and White Pine Counties. Scattered occurrences also are present in Humboldt, Churchill, Lander, and Pershing Counties. Compositions are mainly granitic, granodiorite, and 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.