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Cajalco Mine (Cajalco Tin Mine; Cajalco Dumortierite occurrence), El Cerrito, Riverside County, California, USAi
Regional Level Types
Cajalco Mine (Cajalco Tin Mine; Cajalco Dumortierite occurrence)Mine
El Cerrito- not defined -
Riverside CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 51' 14'' North , 117° 27' 54'' West
Latitude & Longitude (decimal):
33.85389,-117.46500
GeoHash:
G#: 9qh2x4bt5
GRN:
N23W70
Type:
Mine
KΓΆppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
El Cerrito Corona5,100 (2018)5.5km
Home Gardens11,570 (2011)5.8km
Corona164,226 (2017)9.7km
Woodcrest14,347 (2011)10.4km
Norco26,289 (2017)11.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
West End Prospectors CorporationNorco, California12km
Orange Belt Mineralogical SocietySan Bernardino, California33km
Valley Prospectors, Inc.San Bernardino, California33km
Santa Ana Rock & Mineral Club, Inc.Santa Ana, California39km
Route 66 Gold Miners IncBrea, California41km
Mindat Locality ID:
86824
Long-form identifier:
mindat:1:2:86824:9
GUID (UUID V4):
4cab992a-4225-4a5a-a38a-5bd8934b2691


A former Sn occurrence/mine located in secs. 1, 2, 3, 10 & 11, T4S, R6W, SBM, 5.5 km (3.4 miles) ENE of El Cerrito, about 5 miles SE of Corona and about 11 miles SW of Riverside. MRDS database stated accuracy for this location is 1,000 meters. First produced in 1869 and last in 1928.

Mineralization is a vein deposit. Local rocks include Mesozoic granitic rocks, unit 2 (Peninsular Ranges). The vein was followed to 650 feet of depth but had not bottomed out.

Workings apparently include underground openings in view ofd mthe fact that the vein was followed to 650 feet of depth.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


14 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Arsenopyrite
Formula: FeAsS
Description: Occurs in ore.
β“˜ Baryte
Formula: BaSO4
Description: Occurs in ore.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Cassiterite
Formula: SnO2
Description: Occurs in veins of tourmaline-quartz rock.
References:
Jackson, Charles Thomas (1859), Boston Society of Natural History Proceedings: 7: 152
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 120
Benedict, William de L. (1890), The San Jacinto (California) tin mines: Engineering & Mining Journal: 50: 450-453
Fairbanks, Harold W. (1897), The tin deposits at Temescal, southern California: American Journal of Science, 4th. Series: 4: 39-42
Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
American Mineralogist (1930): 15: 79-80.
Page, Lincoln Ridler and Thayer, T.P. (1945) The Temescal tin district, Riverside County, California. USGS Unpublished Report, 24 pp.
Bedford, R.H. & F.T. Johnson (1946), Survey of tin in California: US Bureau Mines Report of Investigation 3876
β“˜ Corundum ?
Formula: Al2O3
β“˜ Dumortierite
Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)
β“˜ Fluorite
Formula: CaF2
Description: Occurs in ore.
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Orthoclase
Formula: K(AlSi3O8)
β“˜ Quartz
Formula: SiO2
β“˜ Rutile
Formula: TiO2
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Colour: Black
Description: Occurs in veins with quartz and cassiterite.
β“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Arsenopyrite2.EB.20FeAsS
Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Corundum ?4.CB.05Al2O3
β“˜Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
β“˜Rutile4.DB.05TiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Baryte7.AD.35BaSO4
Group 9 - Silicates
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Dumortierite9.AJ.10Al(Al2O)(Al2O)2(SiO4)3(BO3)
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Orthoclase9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ BaryteBaSO4
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CassiteriteSnO2
Oβ“˜ CorundumAl2O3
Oβ“˜ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oβ“˜ OrthoclaseK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ RutileTiO2
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ FluoriteCaF2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ CorundumAl2O3
Alβ“˜ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alβ“˜ OrthoclaseK(AlSi3O8)
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ DumortieriteAl(Al2O)(Al2O)2(SiO4)3(BO3)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siβ“˜ OrthoclaseK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ BaryteBaSO4
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ OrthoclaseK(AlSi3O8)
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ FluoriteCaF2
Caβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ RutileTiO2
Tiβ“˜ TitaniteCaTi(SiO4)O
FeIron
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ MagnetiteFe2+Fe23+O4
AsArsenic
Asβ“˜ ArsenopyriteFeAsS
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
SnTin
Snβ“˜ CassiteriteSnO2
BaBarium
Baβ“˜ BaryteBaSO4

Other Databases

Link to USGS MRDS:10285748

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

U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060650940.
Jackson, Charles Thomas (1859), Boston Society of Natural History Proceedings: 7: 152.
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 120.
Benedict, William de L. (1890), The San Jacinto (California) tin mines: Engineering & Mining Journal: 50: 450-453.
Fairbanks, Harold W. (1893b), Geology of San Diego County; also portion of Orange and San Bernardino Counties: California Mining Bureau. Report 11: 111.
Fairbanks, Harold W. (1897), The tin deposits at Temescal, southern California: American Journal of Science, 4th. Series: 4: 39-42.
Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
West, H.E. (1928), New attempt to develop Temescal tin deposit in southern California: Engineering & Mining Journal: 126: 131-132; [(abstract): Geol. Zentrallbl., Band 40: 423 (1929)].
American Mineralogist (1930): 15: 79-80.
Page, Lincoln Ridler and Thayer, T.P. (1945) The Temescal tin district, Riverside County, California. USGS unpublished report, 24 pp. (On open file, California Division of Mines and Geology library, Sacramento).
Bedford, R.H. & F.T. Johnson (1946), Survey of tin in California: US Bureau Mines Report of Investigation 3876.
Engel, R., T.E. Gay, and B.L. Rogers (1959) Mineral deposits of Lake Elsinore quadrangle, California California Division Mines and Geology Bulletin 146: 77.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 87, 98, 121, 187, 371.
Saul, R.B., Evans, J.R., and Gray, C.H. (1970) Mines and mineral resources of Riverside County. California Division of Mines and Geology County Report 9. Unpublished manuscript: 1163.
Minobras (1973), Southern California Industrial Minerals: 58.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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