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:
Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA

Oldest recorded age at locality: 8
Youngest recorded age at locality: 1.96

mindat Locality ID: 234443
mindat URL: http://www.mindat.org/loc-234443.html

Tectonic Settings:

Total number of sublocalities beneath "Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Horse Mountain Quarry (Johnson Stock Company Quarry)
Unnamed Cinder Pit [4]

Latitude: 41°54'31"N
Longitude: 121°16'36"W
Decimal Degree (lat, lon): 41.908611111111,-121.27666666667

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.

No IMA Minerals occur at this locality according to mindat

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
NAVDAT-225972.041.962±0.04  whole rock22597    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-29680825±3   29680    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 
NAVDAT-296812.041.962±0.04  whole rock29681    234443Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA NAVDAT NAVDAT 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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