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:
Chlorite Schist Knob Occurrence, Santa Rita Peak, New Idria District, Diablo Range, San Benito Co., California, USA

Oldest recorded age at locality: 5.3
Youngest recorded age at locality: 0

mindat Locality ID: 211715
mindat URL: http://www.mindat.org/loc-211715.html

Tectonic Settings:

Total number of sublocalities beneath "Chlorite Schist Knob Occurrence, Santa Rita Peak, New Idria District, Diablo Range, San Benito Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°19'50"N
Longitude: 120°36'11"W
Decimal Degree (lat, lon): 36.330555555556,-120.60305555556
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 As Ca Cu F Fe H Mg Na O P Si Ti Y Zr 

Elements from minerals reported directly at this locality: Al As Ca Cu F Fe H Mg Na O P Si Ti Y Zr 

Structural Groups for minerals in this locality: 
BaddeleyiteChloriteClayCorundumGarnetMixiteNonePerovskiteRutileSmectite-vermiculite
SpinelTitaniteVesuvianite

13 IMA Minerals at location:
Agardite-(Y)  (*)Andradite  (*)Baddeleyite  (*)Beidellite  (*)Clinochlore  (*)
Ilmenite  (*)Magnetite  (*)Perovskite  (*)Pseudomalachite  (*)Rutile  (*)
Spinel  (*)Titanite  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Agardite-(Y)  (*)MixiteYCu2+6(AsO4)3(OH)6·3H2O5.30090
Andradite  (*)GarnetCa3Fe3+2(SiO4)35.3001534
Baddeleyite  (*)BaddeleyiteZrO25.300238
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O5.30085
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)85.3001756
Ilmenite  (*)CorundumFe2+Ti4+O35.3005433
Magnetite  (*)SpinelFe2+Fe3+2O45.30014899
Perovskite  (*)PerovskiteCaTiO35.300495
Pseudomalachite  (*)NoneCu5(PO4)2(OH)45.300369
Rutile  (*)RutileTiO25.3005614
Spinel  (*)SpinelMgAl2O45.3001934
Titanite  (*)TitaniteCaTi(SiO4)O5.3004899
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)105.3001395


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Hg-000455.30 ?-?    YesCalomel, Cinnabar, Clearcreekite, Deanesmithite, Edgarbaileyite, Edoylerite, Gianellaite, Hanawaltite, Mercury, Metacinnabar, Montroydite, Mosesite, Peterbaylissite, Schuetteite, Szymanskiite, Tedhadleyite, Terlinguaite, Tiemannite, Wattersite, EglestoniteHg6418New Idria District, Diablo Range, San Benito Co., California, USACalifornia Mercury OccurrencesStudemeister (1984)10.1007/BF00199786MD19_202 

SampleSource LocalityReference URL

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