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

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Latitude & Longitude (WGS84): 33° 20' 25'' North , 117° 2' 43'' West
Latitude & Longitude (decimal): 33.34028,-117.04528
GeoHash:G#: 9muv8t6jp
Locality type:Mountain
Köppen climate type:Csa : Hot-summer Mediterranean climate


Summary:
Many pegmatites occur on Pala Mountain, especially on its southwestern and eastern slopes. Minor diggings have been made on several pegmatites which contain pockets of quartz crystals, and areas of massive rose quartz. Gem quality tourmaline and beryl have also been reported, although very little production was said to have been obtained from any of these dikes. The area is within lands managed for the benefit of the Pala Band of Mission Indians by the Bureau of Indian Affairs (BIA). Although Tourmaline Queen mountain has been erroneously referred to as "Pala" mountain in historic literature, the correct location of Pala mountain has appeared on most official maps produced since the late 1940's. Elevation approx. 2128' AMSL.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Amblygonite
Formula: LiAl(PO4)F
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 30.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 15.
'Feldspar Group'
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
'Feldspar Group var: Perthite'
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Microcline
Formula: K(AlSi3O8)
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Quartz
Formula: SiO2
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Quartz var: Rose Quartz
Formula: SiO2
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 15.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 18-19.
Spodumene
Formula: LiAlSi2O6
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 30.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Jahns, R. A., and Wright, L. A. 1951. Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 15.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
var: Rose Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Amblygonite'8.BB.05LiAl(PO4)F
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Microcline'9.FA.30K(AlSi3O8)
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spodumene9.DA.30LiAlSi2O6
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-
'var: Perthite'-
'Garnet Group'-X3Z2(SiO4)3
Quartz
var: Rose Quartz
-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li AmblygoniteLiAl(PO4)F
Li SpodumeneLiAlSi2O6
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O BerylBe3Al2(Si6O18)
O Garnet GroupX3Z2(SiO4)3
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Quartz (var: Rose Quartz)SiO2
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O SpodumeneLiAlSi2O6
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
FFluorine
F AmblygoniteLiAl(PO4)F
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpodumeneLiAlSi2O6
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si Garnet GroupX3Z2(SiO4)3
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Quartz (var: Rose Quartz)SiO2
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpodumeneLiAlSi2O6
PPhosphorus
P AmblygoniteLiAl(PO4)F
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)

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: 3186295
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous 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]

Cretaceous - Triassic
66 - 251.902 Ma



ID: 2803878
Mesozoic gabbroic rocks, unit 2 (undivided)

Age: Mesozoic (66 - 251.902 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 Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

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]

Cretaceous
66 - 145 Ma



ID: 2703355
Heterogeneous granitic rocks

Age: Cretaceous (66 - 145 Ma)

Description: A wide variety of heterogeneous granitic rocks occur in the Oceanside quadrangle. Some heterogeneous assemblages include large proportions of metamorphic rocks.

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Jahns, R. A., and Wright, L. A. (1951), Gem and Lithium-Bearing Pegmatites of the Pala District, San Diego County, California. California Division of Mines and Geology Special Report 7A, p. 15, 72 pp.


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