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:
Black Mountain, Black Wonder District, Diablo Range, Stanislaus Co., California, USA

Oldest recorded age at locality: 161
Youngest recorded age at locality: 161

mindat Locality ID: 247944
mindat URL: http://www.mindat.org/loc-247944.html

Tectonic Settings:

Total number of sublocalities beneath "Black Mountain, Black Wonder District, Diablo Range, Stanislaus Co., California, USA": 22
Total number of bottom-level sublocalities: 21

Number of Child Localities: 19
Child Localities:
Adobe Valley Mine (Stanislaus Mine)
Black Bear Mine
Black Bolt Claim
Black Mike Mine (Black Point Mine; Black Rock Mine)
Brown Group
Chrome Camp Mine
G. L. Fenster Occurrence
Gerber Deposit (Naval Bombing Range No. 1; Black Wonder)
Grayson Claim
Lucky Girl Mine (Stanislaus Mine)
Mary Lou No. 1 Claim (Black Wonder Prospect; Park Group)
Mexican Prospect No. 1 (Mexican Deposit C Of Black Wonder)
Mexican Prospect No. 3 (Mexican Deposit A Of Black Wonder)
Murmac Group
Park Group
Phoenix Group (Phoenix Mine; Red Mountain; Red Acres Mine; Hayward; Summit)
Summit Deposit
Unnamed Aragonite Occurrences (1)
Winegar Prospect (Summit & Winegar Properties; Orestimba Group Of Phoenix Mines; Red Acres; Orestimba)

Latitude: 37°23'46"N
Longitude: 121°24'37"W
Decimal Degree (lat, lon): 37.396111111111,-121.41027777778

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: C Ca Cr Fe Hg Mg Mn O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteCalciteMarcasiteNoneQuartzRutileSpinel

7 IMA Minerals at location:
Aragonite  (*)Chromite  (*)Cinnabar  (*)Magnesite  (*)Marcasite  (*)
Pyrolusite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)16116111805973250
Chromite  (*)SpinelFe2+Cr2O41611613180578,180582,1805863902
Cinnabar  (*)NoneHgS1611613180577,180595,1805982600
Magnesite  (*)CalciteMg(CO3)16116111805831487
Marcasite  (*)MarcasiteFeS216116111805775674
Pyrolusite  (*)RutileMnO216116111805873106
Quartz  (*)QuartzSiO21611613180580,180587,18058861156



3 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-00023161161Middle Jurassic (161.13±0.11, 161.167±0.093 Ma, CA-TIMS, zircon in plagiogranite)       Cr95861Black Bear Mine, Black Mountain, Black Wonder District, Diablo Range, Stanislaus Co., California, USABlack BearMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00024161161Middle Jurassic (161.13±0.11, 161.167±0.093 Ma, CA-TIMS, zircon in plagiogranite)       Cr95874Chrome Camp Mine, Black Mountain, Black Wonder District, Diablo Range, Stanislaus Co., California, USAChrome CampMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00025161161Middle Jurassic (161.13±0.11, 161.167±0.093 Ma, CA-TIMS, zircon in plagiogranite)       Cr95914Lucky Girl Mine (Stanislaus Mine), Black Mountain, Black Wonder District, Diablo Range, Stanislaus Co., California, USALucky GirlMoiser et al. (2012) USGSSIR2012_5157 


SampleSource LocalityReference URL


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