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:
Grouse Mountain, South Fork Silver District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA


mindat Locality ID: 238105
mindat URL: http://www.mindat.org/loc-238105.html

Tectonic Settings:

Total number of sublocalities beneath "Grouse Mountain, South Fork Silver District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Ballou Group (Manzanita Falls; Great Falls; Hope)
Big Dyke Mine (Big Dike Mine; Edna Claim; Little Dyke Claim; Alta Claim; Helen Claim; Dyke Claim; Extension Claim; Big Dyke Claim)
Continental Mine
Diamond Mine (Black Prince Mine; Dayton Mine; Black Diamond Mine)
Golden Crown Mine
North Star Mine (1)

Latitude: 40°32'23"N
Longitude: 122°34'59"W
Decimal Degree (lat, lon): 40.539722222222,-122.58305555556

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 Au Cu Fe O S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteCopperNonePyriteQuartzSphaleriteTetrahedrite

8 IMA Minerals at location:
Acanthite  (*)Freibergite  (*)Gold  (*)Pyrite  (*)Quartz  (*)
Silver  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11770632793
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S122177063,177064663
Gold  (*)CopperAu6177062,177063,177064,177065,177066,17706730554
Pyrite  (*)PyriteFeS2117706439462
Quartz  (*)QuartzSiO23177062,177063,17706461156
Silver  (*)CopperAg11770635186
Sphalerite  (*)SphaleriteZnS2177063,17706421482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132177063,1770645317



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...