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:
Cachuma Village, Cachuma District, San Rafael Mts, Santa Barbara Co., California, USA

Oldest recorded age at locality: 165
Youngest recorded age at locality: 165

mindat Locality ID: 219663
mindat URL: http://www.mindat.org/loc-219663.html

Tectonic Settings:

Total number of sublocalities beneath "Cachuma Village, Cachuma District, San Rafael Mts, Santa Barbara Co., California, USA": 32
Total number of bottom-level sublocalities: 28

Number of Child Localities: 24
Child Localities:
Bacon Mine (Bacon Deposit; O'Donnell And Burns Mining Company; O'Donnell And Byrne Mine; O.B. Mine; O And B Mine)
Chicken Spring Claim (Chicken Spring Extension; Chicken Spring Number One)
Copper King Mine
Fairview Prospect (Fairview Deposit; Los Olivos; Acachuma; Cachuma Chrome Mine)
Figueroa Deposit
Figueroa Mountain
Happy Canyon
Lost Chord Claim (Last Chord Claim)
Merchrome No. 2 Et Al Claims
Mesa Claim
Montinero Prospect (Montinero Deposit; La Laguna Ranch)
Morey Prospect
Peacock Mine (Peacock Deposit)
Red Bluff Prospect
Red Rock Mine (Acachuma Mine; Eagle Mine)
Roberts Claims (Fir Chrome Claim; Pine Chrome Claim; Lookout Chrome Claim)
Scrub Oak Claim (Scrub Oak Deposit)
Stewart Quicksilver Mine
Sulphur Dome Claim (Sulfur Dome Claim)
Unknown Mn Occurrence (1)
Unnamed Cr Prospect (3)
Unnamed Cr Prospect (4)
Unnamed Hg Placer Deposit (1)
Unnamed Hg Prospect (4)

Latitude: 34°42'15"N
Longitude: 119°56'16"W
Decimal Degree (lat, lon): 34.704166666667,-119.93777777778

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 Cu Fe H Hg Mg O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteCalciteChalcopyriteClayKaoliniteMelanteriteNoneNot in a structural groupPyritePyroxene
QuartzSpinel

13 IMA Minerals at location:
Antlerite  (*)Aragonite  (*)Boothite  (*)Chalcopyrite  (*)Chromite  (*)
Cinnabar  (*)Dickite  (*)Enstatite  (*)Hydromagnesite  (*)Magnesiochromite  (*)
Magnesite  (*)Pyrite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)41175922246
Aragonite  (*)AragoniteCa(CO3)11759333250
Boothite  (*)MelanteriteCu(SO4)·7H2O117593118
Chalcopyrite  (*)ChalcopyriteCuFeS2117592227198
Chromite  (*)SpinelFe2+Cr2O46175921,175928,175933,175937,175941,1759433902
Cinnabar  (*)NoneHgS3175935,175942,1759462600
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)41175946651
Enstatite  (*)PyroxeneMg2Si2O61175926944
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O1175932341
Magnesiochromite  (*)SpinelMgCr2O41651655175920,175923,175938,175940,175944311
Magnesite  (*)CalciteMg(CO3)11759341487
Pyrite  (*)PyriteFeS2117592239462
Quartz  (*)QuartzSiO22175922,17594761156



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
podchrome-00017165165Middle Jurassic (165.57±0.38 CA-TIMS, zircon in plagiogranite)       Cr92104Bacon Mine (Bacon Deposit; O'Donnell And Burns Mining Company; O'Donnell And Byrne Mine; O.B. Mine; O And B Mine), Cachuma Village, Cachuma District, San Rafael Mts, Santa Barbara Co., California, USABaconMoiser et al. (2012) USGSSIR2012_5157 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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