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:
Slate Range, San Bernardino Co., California, USA

Oldest recorded age at locality: 448.1
Youngest recorded age at locality: 129.1

mindat Locality ID: 210622
mindat URL: http://www.mindat.org/loc-210622.html

Tectonic Settings:

Total number of sublocalities beneath "Slate Range, San Bernardino Co., California, USA": 29
Total number of bottom-level sublocalities: 27

Number of Child Localities: 10
Child Localities:
Copper Crystal Mine
Myers Mine
Ophir Mine
Pilot Nitrate Field (Pilot Beds)
Silver Belt Mine
Slate Range District (Arondo District)
Southern View Mine
Straw Peak
Sweepstakes Occurrence
Tank Canyon Mine

Latitude: 35°44'42"N
Longitude: 117°9'35"W
Decimal Degree (lat, lon): 35.745,-117.15972222222

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: Ag B C Ca Cl Cu Fe H K Mg Mn N Na O S Sb Si 

Elements from minerals reported directly at this locality: Ag B Ca Cl Fe H Mg O Si 

Structural Groups for minerals in this locality: 
AmphiboleCalciteGadoliniteNoneRocksaltSpinelTetrahedrite

9 IMA Minerals at location:
Anthophyllite  (*)Chlorargyrite  (*)Colemanite  (*)Datolite  (*)Magnetite  (*)
Niter  (*)Nitratine  (*)Rhodochrosite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)2448.1129.10718
Chlorargyrite  (*)RocksaltAgCl448.1129.101382
Colemanite  (*)NoneCaB3O4(OH)3·H2O2173890,173899144
Datolite  (*)GadoliniteCaB(SiO4)(OH)448.1129.10498
Magnetite  (*)SpinelFe2+Fe3+2O4448.1129.1014899
Niter  (*)NoneK(NO3)1173890181
Nitratine  (*)CalciteNa(NO3)117389091
Rhodochrosite  (*)CalciteMn(CO3)11739081711
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1311739085317



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
USGS-U-Th-Pb-01442_206_238129.1129.1129.1206_238 zircon   Zircon  88928Lone View And San Francisco Mines (Lone View; Lone View Claim; Alta Silver Group), Straw Peak, Slate Range District (Arondo District), Slate Range, San Bernardino Co., California, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01442_207_206448.1448.1448.1207_206 zircon   Zircon  88928Lone View And San Francisco Mines (Lone View; Lone View Claim; Alta Silver Group), Straw Peak, Slate Range District (Arondo District), Slate Range, San Bernardino Co., California, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-01442_207_235147.1147.1147.1207_235 zircon   Zircon  88928Lone View And San Francisco Mines (Lone View; Lone View Claim; Alta Silver Group), Straw Peak, Slate Range District (Arondo District), Slate Range, San Bernardino Co., California, USA USGS-U-Th-Pb USGS-U-Th-Pb 


SampleSource LocalityReference URL


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