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:
Knoxville Area, Knoxville District, Coast Ranges, Yolo Co., California, USA


mindat Locality ID: 98481
mindat URL: http://www.mindat.org/loc-98481.html

Tectonic Settings:

Total number of sublocalities beneath "Knoxville Area, Knoxville District, Coast Ranges, Yolo Co., California, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Harrison Mine (New England Mine; Grizzly Mine; January Mine; Ruby Mine)
Reed Mine (California Mine; Royal Mine; Soda Springs Mine)
Unnamed Hg Quarry (1)

Latitude: 38°51'45"N
Longitude: 122°22'30"W
Decimal Degree (lat, lon): 38.8625,-122.375
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 C Ca Fe H Hg Mg O S 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteMarcasiteNonePyriteSphaleriteSpinelSulphur

10 IMA Minerals at location:
Calcite  (*)Cinnabar  (*)Dolomite  (*)Hercynite  (*)Idrialite  (*)
Magnetite  (*)Marcasite  (*)Metacinnabar  (*)Pyrite  (*)Sulphur  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)2183957,18395827770
Cinnabar  (*)NoneHgS2183957,1839582600
Dolomite  (*)NoneCaMg(CO3)211839589895
Hercynite  (*)SpinelFe2+Al2O41183957407
Idrialite  (*)NoneC22H14118395815
Magnetite  (*)SpinelFe2+Fe3+2O4118395714899
Marcasite  (*)MarcasiteFeS211839585674
Metacinnabar  (*)SphaleriteHgS1183958255
Pyrite  (*)PyriteFeS22183957,18395839462
Sulphur  (*)SulphurS11839572045


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

All locality data graciously provided by mindat.org

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