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:
Johnson Spring, Tibbetts District, Inyo Mts (Inyo Range), Inyo Co., California, USA


mindat Locality ID: 256488
mindat URL: http://www.mindat.org/loc-256488.html

Tectonic Settings:

Total number of sublocalities beneath "Johnson Spring, Tibbetts District, Inyo Mts (Inyo Range), Inyo Co., California, USA": 19
Total number of bottom-level sublocalities: 19

Number of Child Localities: 19
Child Localities:
Black Lady Nos. 1 And 2 Mine
Blue Stone Talc Mine (Blue Stone Deposit)
Condor No. 1 Prospect (Hidden Valley Claim; Mary Roper Mine; Mary Roeper; Roper Iron Mine; JC Roper; John Amick)
Copper Empire Group (Best Chance; Blue Eagle; Rebecca No. 1; Grasshopper No. 22; Copper Empire Group; Montana Claim)
Crystal Ridge
D. R. Mar Jak Mine
Eureka Consolidated Quartz Mine (Senator Mine)
Gold Rabbit Prospect
Gray Eagle Talc Mine
Gypsy Queen Mine (Eureka)
Hidden Valley Nos. 1-6 Mine
Jack Rabbit Prospect
Julia R. Nos. 1-3 Prospect
Mendosino Prospect
Nevada Queen Prospect
Philday Lode Prospect
Professor Occurrence
Willmington Prospect
Zincite Prospect

Latitude: 36°53'51"N
Longitude: 118°6'1"W
Decimal Degree (lat, lon): 36.8975,-118.10027777778
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 C Cu Fe H Mg O Pb S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneChalcopyriteClayCopperCorundumNoneQuartzRocksaltTalc

8 IMA Minerals at location:
Chalcopyrite  (*)Chrysocolla  (*)Galena  (*)Gold  (*)Graphite  (*)
Hematite  (*)Quartz  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS2115804827198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2158045,1580483531
Galena  (*)RocksaltPbS2158045,15805524243
Gold  (*)CopperAu115804830554
Graphite  (*)NoneC11580392812
Hematite  (*)CorundumFe2O32158043,15804814640
Quartz  (*)QuartzSiO23158043,158045,15804861156
Talc  (*)Clay TalcMg3Si4O10(OH)23158040,158044,1580473337


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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