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:
Oak Grove, Aguanga Mountain District (Smith Mountain District), San Diego Co., California, USA


mindat Locality ID: 224027
mindat URL: http://www.mindat.org/loc-224027.html

Tectonic Settings:

Total number of sublocalities beneath "Oak Grove, Aguanga Mountain District (Smith Mountain District), San Diego Co., California, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 1
Child Localities:
Aguanga Mountain

Latitude: 33°19'41"N
Longitude: 116°45'59"W
Decimal Degree (lat, lon): 33.328055555556,-116.76638888889
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 Ca F Fe H K Li Mn Na Nb O P Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousApatiteBerylClayColumbiteFeldsparGarnetMicaNonePrehnite
QuartzTopazTourmaline

14 IMA Minerals at location:
Albite  (*)Beryl  (*)Columbite-(Fe)  (*)Elbaite  (*)Fluorapatite  (*)
Microcline  (*)Muscovite  (*)Opal  (*)Orthoclase  (*)Prehnite  (*)
Quartz  (*)Schorl  (*)Spessartine  (*)Topaz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)2174287,1742888803
Beryl  (*)BerylBe3Al2Si6O182174286,1742884286
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O61174288518
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)2174287,174288520
Fluorapatite  (*)ApatiteCa5(PO4)3F2174287,1742882740
Microcline  (*)FeldsparK(AlSi3O8)2174287,1742884924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23174286,174287,17428817380
Opal  (*)AmorphousSiO2·nH2O11742872994
Orthoclase  (*)FeldsparK(AlSi3O8)2174287,1742882349
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)211742891898
Quartz  (*)QuartzSiO22174287,17428861156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2174287,1742882705
Spessartine  (*)GarnetMn2+3Al2(SiO4)311742871214
Topaz  (*)TopazAl2SiO4F23174286,174287,1742881476


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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