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Chief Mountain, Pala, Pala District, San Diego Co., California, USA

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Latitude & Longitude (WGS84): 33° 23' 14'' North , 117° 3' 0'' West
Latitude & Longitude (decimal): 33.38722,-117.05000
Köppen climate type:Csa : Hot-summer Mediterranean climate


Summary:
Chief Mountain is the northeastern most of five pegmatite-hosting mountains that comprise the Pala pegmatite district. Elevation approx. 1502' AMSL.


Mineral List

Mineral list contains entries from the region specified including sub-localities

37 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

Cretaceous
66 - 145 Ma



ID: 2703489
Gabbro, undivided

Age: Cretaceous (66 - 145 Ma)

Description: Massive, coarse-grained, dark-gray and black biotite-hornblende-hypersthene gabbro.

Reference: Kennedy, M.P., and S.S. Tan. digital prep. by Bovard et al. Geologic Map of the Oceanside 30’ x 60’ Quadrangle, California. California Department of Conservation California Geological Survey. [131]

Cretaceous - Triassic
66 - 252.17 Ma



ID: 2776321
Mesozoic gabbroic rocks, unit 2 (undivided)

Age: Mesozoic (66 - 252.17 Ma)

Stratigraphic Name: Cuyamaca Gabbro; Elk Creek Gabbro; Gold Park Gabbro-Diorite; San Marcos Gabbro; Summit Gabbro

Description: Gabbro and dark dioritic rocks; chiefly Mesozoic

Comments: Mostly small exposures of gabbro and diorite scattered in western Klamath Mts., Sierra Nevada, Coast Ranges, Mojave Desert, and Peninsular Ranges

Lithology: Major:{diorite,gabbro}

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


Localities in this Region


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.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jahns, R. H. and Wright, L. A. (1951), Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines Special Report 7A: 31.
Murdoch, Joseph & Webb, Robert W. (1966), Minerals of California, Centennial Volume (1866-1966). California Division Mines & Geology Bulletin 189: 102.

Mineral and/or Locality  
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