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:
Riverside, Riverside Co., California, USA


mindat Locality ID: 23032
mindat URL: http://www.mindat.org/loc-23032.html

Tectonic Settings:

Total number of sublocalities beneath "Riverside, Riverside Co., California, USA": 24
Total number of bottom-level sublocalities: 22

Number of Child Localities: 20
Child Localities:
Casa Blanca Quarries (Casa Blanka Quarries)
Castro Quarry (Castro ? Quarry; Magstone Products)
Hancock Clay Deposit
Hole Ranch Quarry
Jurupa Deposit (Jurupa Molding; Riverside Molding Sand)
La Sierra
Magstone Products Mine
Mount Rubidoux
New City Quarry (Victoria Avenue Quarry)
Old City Quarry (City Quarry; North Hill Quarry; Quarry Hill; Fairmount)
Spicer Silica Property
Sugar Loaf Pit
Texas Mining Company Riverside Plant Mine (Texas Mining Company Riverside Plant)
Unnamed Granite Deposit [4] (Unnamed Pit)
Unnamed Stone Pit [14]
Unnamed Stone Pit [17]
Unnamed Stone Pit [21]
Unnamed Stone Pit [24]
Unnamed Stone Pit [26]
Unspecified Sb Occurrence [1]

Latitude: 33°56'49"N
Longitude: 117°22'58"W
Decimal Degree (lat, lon): 33.946944444444,-117.38277777778
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 Ca Cr F Fe H Mg Na O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBruciteClayClinozoisiteEpidoteFeldsparHumiteLudwigiteNickelineNone
OlivinePerovskitePrehnitePyroxeneRocksaltSapphirineSmectite-vermiculiteSpinelVesuvianiteWollastonite

26 IMA Minerals at location:
Anorthite  (*)Brucite  (*)Chondrodite  (*)Chromite  (*)Clinohumite  (*)
Clinozoisite  (*)Diopside  (*)Epidote  (*)Fayalite  (*)Ferrosilite  (*)
Forsterite  (*)Hastingsite  (*)Hedenbergite  (*)Ludwigite  (*)Nontronite  (*)
Periclase  (*)Perovskite  (*)Prehnite  (*)Pyrrhotite  (*)Serendibite  (*)
Spinel  (*)Tremolite  (*)Vermiculite  (*)Vesuvianite  (*)Vonsenite  (*)
Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anorthite  (*)FeldsparCa(Al2Si2O8)11696871036
Brucite  (*)BruciteMg(OH)22169687,169688462
Chondrodite  (*)HumiteMg5(SiO4)2F22169687,169688285
Chromite  (*)SpinelFe2+Cr2O411696873902
Clinohumite  (*)HumiteMg9(SiO4)4F21169687236
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)11696871025
Diopside  (*)PyroxeneCaMgSi2O611696874135
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11696888173
Fayalite  (*)OlivineFe2+2(SiO4)1169685371
Ferrosilite  (*)PyroxeneFe2+2Si2O6116968484
Forsterite  (*)OlivineMg2(SiO4)11696871188
Hastingsite  (*)AmphiboleNaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)21169684209
Hedenbergite  (*)PyroxeneCaFe2+Si2O61169687741
Ludwigite  (*)LudwigiteMg2Fe3+O2(BO3)1169687134
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O1169687471
Periclase  (*)RocksaltMgO2169687,169688114
Perovskite  (*)PerovskiteCaTiO31169687495
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)211696881898
Pyrrhotite  (*)NickelineFe7S811696889056
Serendibite  (*)SapphirineCa4[Mg6Al6]O4[Si6B3Al3O36]116968719
Spinel  (*)SpinelMgAl2O42169687,1696881934
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211696872562
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1169682652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1011696871395
Vonsenite  (*)LudwigiteFe2+2Fe3+O2(BO3)2169687,16968862
Wollastonite  (*)WollastoniteCaSiO311696871247


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R060010Riverside, Riverside Co., California, USAhttps://rruff.info/R060010
R050477Riverside, Riverside Co., California, USAhttps://rruff.info/R050477
R050496New City Quarry (Victoria Avenue Quarry), Riverside, Riverside Co., California, USAhttps://rruff.info/R050496

All locality data graciously provided by mindat.org

All age data...

Other copyright data...