Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Cahuilla Mountain, Cahuilla District, Riverside Co., California, USA


mindat Locality ID: 212833
mindat URL: http://www.mindat.org/loc-212833.html

Tectonic Settings:

Total number of sublocalities beneath "Cahuilla Mountain, Cahuilla District, Riverside Co., California, USA": 19
Total number of bottom-level sublocalities: 18

Number of Child Localities: 10
Child Localities:
Ida V. Mine
Lithia Dike Mine (Lithia Dyke Claim)
Old Mine Terrace Prospect No. 1
Old Mine Terrace Prospect No. 2
Old Mine Trail Prospect
Stones Throw Road Mine No. 1
Stones Throw Road Mine No. 2
Stones Throw Road Mine No. 3
Unnamed Pegmatite [2]
Williamson Mine (Coahuila Brave Claim; Williamson Silica Mine)

Latitude: 33°34'2"N
Longitude: 116°46'36"W
Decimal Degree (lat, lon): 33.567222222222,-116.77666666667

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Be F Fe H K Li Mn Na Nb O P Sb Si Ta 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BerylClayColumbiteFeldsparGarnetMicaNonePyroxeneQuartzTourmaline

13 IMA Minerals at location:
Albite  (*)Almandine  (*)Amblygonite  (*)Beryl  (*)Columbite-(Fe)  (*)
Elbaite  (*)Microcline  (*)Muscovite  (*)Quartz  (*)Schorl  (*)
Spessartine  (*)Spodumene  (*)Stibiotantalite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)3168854,168861,1688628803
Almandine  (*)GarnetFe2+3Al2(SiO4)32168854,1688622353
Amblygonite  (*)NoneLiAl(PO4)F1168854244
Beryl  (*)BerylBe3Al2Si6O1811688544286
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O61168862518
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)1168854520
Microcline  (*)FeldsparK(AlSi3O8)11688544924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23168853,168854,16886217380
Quartz  (*)QuartzSiO22168854,16886261156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)11688542705
Spessartine  (*)GarnetMn2+3Al2(SiO4)311688541214
Spodumene  (*)PyroxeneLiAlSi2O61168854688
Stibiotantalite  (*)NoneSb3+TaO4116886253



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
X050141Cahuilla Mountain, Cahuilla District, Riverside Co., California, USAhttps://rruff.info/X050141


All locality data graciously provided by mindat.org

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