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:
Doble (Bairdstown), Baldwin Lake District, San Bernardino Mts, San Bernardino Co., California, USA


mindat Locality ID: 273048
mindat URL: http://www.mindat.org/loc-273048.html

Tectonic Settings:

Total number of sublocalities beneath "Doble (Bairdstown), Baldwin Lake District, San Bernardino Mts, San Bernardino Co., California, USA": 16
Total number of bottom-level sublocalities: 16

Number of Child Localities: 16
Child Localities:
Aureui Occurrence
Bromley And Oxnam Claim
Canyon Spring Occurrence
Doble Mine (Gold Mountain Mines; Lucky Baldwin)
Gold Mountain Mine (Baldwin Mine; Golden Mountain Mine)
Holliday Mine
Hollie Ann Mine (Hollie-Ann)
Lester Mine
Memphis Mine
Penny Weight
Silica Nos. 1-3 Claims
Unnamed Au Occurrence [12]
Unnamed Au Occurrence [15]
Unnamed Au Occurrence [278]
Unnamed Mo Occurrence [4]
White Rock Limestone Quarry

Latitude: 34°18'23"N
Longitude: 116°49'3"W
Decimal Degree (lat, lon): 34.306388888889,-116.8175

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 Au Ca Fe H Mo O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ClinozoisiteCopperEpidoteMolybdeniteNoneQuartz

4 IMA Minerals at location:
Epidote  (*)Gold  (*)Molybdenite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11733368173
Gold  (*)CopperAu5173325,173326,173327,173328,17332930554
Molybdenite  (*)MolybdeniteMoS211733365800
Quartz  (*)QuartzSiO26173324,173325,173326,173327,173328,17332961156



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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