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:
Haystack Mountain (Haystack; Boulder Mountain; Kern Knob), Inyo Mts (Inyo Range), Inyo Co., California, USA

Oldest recorded age at locality: 175
Youngest recorded age at locality: 175

mindat Locality ID: 254891
mindat URL: http://www.mindat.org/loc-254891.html

Tectonic Settings:

Total number of sublocalities beneath "Haystack Mountain (Haystack; Boulder Mountain; Kern Knob), Inyo Mts (Inyo Range), Inyo Co., California, USA": 13
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Big Horn Prospect (Lucky Strike)
Clark Beryl Mine
Copper Summit Prospect
Lakeview Quarries (Lakeview Talc Mine; Lakeview Deposit)
Lenbec Talc Mine (Brooklyn Talc Mine)
Long John Mine
Long John Mine (Delthe Black Warrior Mine)
Long Trail Mine
Unnamed Ag-Cu-Zn-Pb Prospect [3]
Unnamed Ag-Cu-Zn-Pb Prospect [4]
Unnamed Amazonite Occurrence [1]
Unnamed Beryl Occurrence [1]
White Quarry (Inyo Marble Quarry)

Latitude: 36°36'16"N
Longitude: 117°58'2"W
Decimal Degree (lat, lon): 36.604444444444,-117.96722222222

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 Be Ca F Fe H K Mg O Pb S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BerylClayFeldsparFluoriteGarnetNoneQuartzRocksaltTalc

7 IMA Minerals at location:
Andradite  (*)Beryl  (*)Fluorite  (*)Galena  (*)Microcline  (*)
Quartz  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andradite  (*)GarnetCa3Fe3+2(SiO4)311578331534
Beryl  (*)BerylBe3Al2Si6O181751752157824,1578344286
Fluorite  (*)FluoriteCaF21751752157833,1578349617
Galena  (*)RocksaltPbS1751752157828,15782924243
Microcline  (*)FeldsparK(AlSi3O8)11578334924
Quartz  (*)QuartzSiO2115783361156
Talc  (*)Clay TalcMg3Si4O10(OH)23157826,157827,1578303337



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_471Quartz monzonite of Long John pluton, N of Owens Lake See Table A1.


1 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
Michelle_471175175175U-PbPreferred intrusive agezircon76  Zircon  79100Long John Mine, Haystack Mountain (Haystack; Boulder Mountain; Kern Knob), Inyo Mts (Inyo Range), Inyo Co., California, USALong John plutonChen and Moore (1982)10.1029/JB087iB06p04761AJS299_93See p. 4768, Table 2. Age group J (Jurassic 140-195 ma).


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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