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:
North Gray Rocks, East Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA


mindat Locality ID: 238615
mindat URL: http://www.mindat.org/loc-238615.html

Tectonic Settings:

Total number of sublocalities beneath "North Gray Rocks, East Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Blue Jacket Mine
Feble Electric Steel Company Mine
Frieda McGill Property
Graham Group (Shasta Belmont; Shasta Balmont)
Haley Group (Minnie Haley Group; Endless Chain A; Kane And Wilber Group; Potter; Endless Chain And Missing Link)
Iron Exploration Company (Ironex Mine)
Kane And Wilbur Claims
Potter Creek (Potters Creek)
Potter Occurrence

Latitude: 40°46'51"N
Longitude: 122°16'26"W
Decimal Degree (lat, lon): 40.780833333333,-122.27388888889
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 Ca Cu Fe H O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClinozoisiteCorundumEpidoteIlvaiteNickelineNonePyritePyroxeneQuartz
Spinel

11 IMA Minerals at location:
Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Epidote  (*)Hedenbergite  (*)
Hematite  (*)Ilvaite  (*)Magnetite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS411766425516
Chalcocite  (*)NoneCu2S2176641,1766425707
Chalcopyrite  (*)ChalcopyriteCuFeS23176641,176642,17664427198
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11766428173
Hedenbergite  (*)PyroxeneCaFe2+Si2O61176645741
Hematite  (*)CorundumFe2O3117664614640
Ilvaite  (*)IlvaiteCaFe3+Fe2+2O(Si2O7)(OH)1176645197
Magnetite  (*)SpinelFe2+Fe3+2O42176644,17664614899
Pyrite  (*)PyriteFeS23176641,176642,17664439462
Pyrrhotite  (*)NickelineFe7S82176642,1766449056
Quartz  (*)QuartzSiO2117664561156


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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