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:
San Jose, Santa Clara Co., California, USA


mindat Locality ID: 29461
mindat URL: http://www.mindat.org/loc-29461.html

Tectonic Settings:

Total number of sublocalities beneath "San Jose, Santa Clara Co., California, USA": 27
Total number of bottom-level sublocalities: 24

Number of Child Localities: 7
Child Localities:
Edenvale
Garden City Pottery Company Mine
Gladding Brothers Manufacturing Company Mine (Gladding Bros. Mfg. Co.)
Lone Hill
Oak Hill
Penetentia Creek
Remillard-Dandini Company Mine

Latitude: 37°18'1"N
Longitude: 121°52'"W
Decimal Degree (lat, lon): 37.300277777778,-121.86666666667

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 C Ca Cr Fe H Hg K Mg Na O S Si Sn Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleCalciteClayClinozoisiteEpidoteFeldsparLawsoniteMicaNone
QuartzRutileSpinelStilpnomelaneTitanite

14 IMA Minerals at location:
Albite  (*)Cassiterite  (*)Chromite  (*)Cinnabar  (*)Clinozoisite  (*)
Dolomite  (*)Glaucophane  (*)Lawsonite  (*)Magnesite  (*)Muscovite  (*)
Opal  (*)Quartz  (*)Stilpnomelane  (*)Titanite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)11762248803
Cassiterite  (*)RutileSnO211762225171
Chromite  (*)SpinelFe2+Cr2O411762103902
Cinnabar  (*)NoneHgS3176208,176209,1762242600
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)11762241025
Dolomite  (*)NoneCaMg(CO3)211762249895
Glaucophane  (*)Amphibole   Na2(Mg3Al2)Si8O22(OH)22176224,176227286
Lawsonite  (*)LawsoniteCaAl2(Si2O7)(OH)2·H2O1176224121
Magnesite  (*)CalciteMg(CO3)3176210,176214,1762241487
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2117622417380
Opal  (*)AmorphousSiO2·nH2O11762242994
Quartz  (*)QuartzSiO22176221,17622461156
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1176224456
Titanite  (*)TitaniteCaTi(SiO4)O2176222,1762244899



No ages have been assigned to this locality yet.

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