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:
Oro Grande District, San Bernardino Co., California, USA


mindat Locality ID: 209248
mindat URL: http://www.mindat.org/loc-209248.html

Tectonic Settings:

Total number of sublocalities beneath "Oro Grande District, San Bernardino Co., California, USA": 44
Total number of bottom-level sublocalities: 40

Number of Child Localities: 4
Child Localities:
La Delta
Oro Grande
Quartzite Mountain
Silver Mountain

Latitude: 34°37'53"N
Longitude: 117°18'8"W
Decimal Degree (lat, lon): 34.631388888889,-117.30222222222
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 Au C Ca Cu Fe H K Li Mg O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleAragoniteCalciteChalcopyriteChloriteClayCopperKaoliniteMicaNone
PyriteQuartzRocksaltSphaleriteTalc

16 IMA Minerals at location:
Aragonite  (*)Bornite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)
Cookeite  (*)Galena  (*)Gold  (*)Kaolinite  (*)Muscovite  (*)
Pyrite  (*)Quartz  (*)Sphalerite  (*)Talc  (*)Tenorite  (*)
Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)11727573250
Bornite  (*)NoneCu5FeS411727425516
Calcite  (*)CalciteCa(CO3)117274427770
Cerussite  (*)AragonitePb(CO3)2172742,1727444979
Chalcopyrite  (*)ChalcopyriteCuFeS22172762,17277327198
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)81172742181
Galena  (*)RocksaltPbS3172741,172744,17277424243
Gold  (*)CopperAu10172745,172746,172749,172763,172765,172771,172773,172776,172778,17278230554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411727725591
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2117278017380
Pyrite  (*)PyriteFeS22172773,17277439462
Quartz  (*)QuartzSiO210172744,172745,172749,172762,172763,172765,172771,172776,172778,17278261156
Sphalerite  (*)SphaleriteZnS117274121482
Talc  (*)Clay TalcMg3Si4O10(OH)211727653337
Tenorite  (*)NoneCuO11727701101
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211727522562


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...

Other copyright data...