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North Douglass prospect, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USAi
Regional Level Types
North Douglass prospectProspect
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)Mountain
PalaTown
Pala Mining DistrictMining District
San Diego CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
33° 23' 11'' North , 117° 3' 39'' West
Latitude & Longitude (decimal):
33.38639,-117.06083
GeoHash:
G#: 9muvbjycu
GRN:
N23W70
Type:
Prospect
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Rainbow1,832 (2011)8.5km
Temecula112,011 (2017)14.4km
Fallbrook30,534 (2011)17.7km
Hidden Meadows3,485 (2011)18.5km
Bonsall3,982 (2011)18.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Fallbrook Gem and Mineral Society, Inc.Fallbrook, California18km
Vista Gem & Mineral SocietyVista, California27km
Palomar Gem & Mineral ClubEscondido, California30km
Mindat Locality ID:
156167
Long-form identifier:
mindat:1:2:156167:1
GUID (UUID V4):
a37d260b-7281-47d9-86e1-85e38affc09d


Setting:
Located in the N2NE4NW4 Sec. 23 T9S R2W, about 1.75 miles north-northeast of Pala, the workings are situated at the base of the eastern slope of Tourmaline Queen Mountain, along the extreme northern end of the Douglass pegmatite dike, adjacent to the Trujillo Canyon road (Salmons Canyon) near the now wild eucalyptus grove, originally planted along the sides of the roadway beginning at the entrance to Salmons City.

History:
The North Douglass prospect was described in 1947 by Edward R. Swoboda as pegmatite between 4 to 7 feet thick that had been exposed in an open cut measuring 10 x 6 x 4 feet, heading south along the slope of the mountain. The pegmatite here was described as mainly graphic granite and sprays of muscovite mica, with local masses of quartz and quartz with blocky microcline showing as segments of core zone. Garnet and schorl were reported in the quartz. A good amount of adjacent float fragments including fine to coarse grained lepidolite with quartz and cleavelandite, together with crystals of gem-quality pink, blue and green tourmaline, suggests the presence of pockets within the dike.

The claim was considered abandoned by 1958, and the land is now managed for the benefit of the Pala Band of Mission Indians by the Bureau of Indian Affairs (BIA).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
ⓘ 'Lepidolite'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
ⓘ 'Tourmaline var. Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ'Lepidolite'-
ⓘ'Tourmaline
var. Rubellite'		-A(D3)G6(T6O18)(BO3)3X3Z
ⓘ''-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'var. Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
Bⓘ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Bⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Tourmaline var. RubelliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Tourmaline var. VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

Other Regions, Features and Areas containing this locality

North America Plate
Pacific PlateTectonic Plate

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

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: p. 14, 72 pp.
Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology p.108
Swoboda, E. R. (2001), Pala district 1946-48: Unpublished field notes and personal interviews. Swoboda Inc., Beverly Hills, Los Angeles County, CA; 5/2; 8 p.
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