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Bour Mine (Bour deposit; Molybdenum Syndicate claim; Purdy and Judson Ranches), Ramona area, Ramona, San Diego County, California, USAi
Regional Level Types
Bour Mine (Bour deposit; Molybdenum Syndicate claim; Purdy and Judson Ranches)Mine
Ramona areaArea
Ramona- not defined -
San Diego CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 4' North , 116° 58' West
Latitude & Longitude (decimal):
33.06667,-116.96667
GeoHash:
G#: 9muu47e7r
GRN:
N23W70
Type:
Mine
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
San Pasqual2,041 (2018)3.0km
Ramona20,292 (2011)9.6km
Hidden Trails750 (2008)9.6km
Escondido151,451 (2017)12.6km
Poway50,157 (2017)13.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Palomar Gem & Mineral ClubEscondido, California13km
Vista Gem & Mineral SocietyVista, California30km
El Cajon Valley Gem & Mineral SocietyEl Cajon, California30km
San Diego Gem and Mineral SocietySan Diego, California43km
San Diego Lapidary SocietySan Diego, California43km
Mindat Locality ID:
91157
Long-form identifier:
mindat:1:2:91157:8
GUID (UUID V4):
0


A former Mo mine located in the SE¼NE¼ sec. 10, and in the center W edge of sec. 11, T13S, R1W, SBM, between Bandy Canyon and Highland Valley Road, about 6 miles NNW of Ramona.

Mineralization is in an aplite dike, hosted in granodiorite.

Production data are found in: Calkins (1917), USGS Bulletin 640-D.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘMolybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFerrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Unclassified
ⓘ'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hⓘ FerrimolybditeFe2(MoO4)3 · nH2O
OOxygen
Oⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ MolybdeniteMoS2
FeIron
Feⓘ FerrimolybditeFe2(MoO4)3 · nH2O
MoMolybdenum
Moⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Moⓘ MolybdeniteMoS2

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Calkins, F.C. (1916), Molybdenite near Ramona, San Diego County, California: USGS Bulletin 640-D: 73-76
Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology pages 194, 195
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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