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:
Lookout City, Lookout District (Modoc District), Argus Mts (Argus Range), Inyo Co., California, USA

Oldest recorded age at locality: 3.9
Youngest recorded age at locality: 0.38

mindat Locality ID: 219469
mindat URL: http://www.mindat.org/loc-219469.html

Tectonic Settings:

Total number of sublocalities beneath "Lookout City, Lookout District (Modoc District), Argus Mts (Argus Range), Inyo Co., California, USA": 21
Total number of bottom-level sublocalities: 20

Number of Child Localities: 20
Child Localities:
Argus Copper Mine (Argus Group)
Baldy Mine
Blue Bell Mine (Golden Lady Mine)
Defense Mine
Eclipse Mine
Free Coinage Mine
Golden Mine
Goodwin Mine
Lead Mine (Hughes Group; Hughes Mine)
Little Jim Prospect
Little Mack Mine
Minnietta Mine (Minneatta; St. John)
Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John)
Modoc Mine (Modock Mine)
Olancha Lead No. 1
Paul Imlay Prospect
Red Dog Mine [1] (J. L. Osborne Mine)
Snow Canyon
St. George Mine (Snow Canyon Mine; Merry Christmas Mine; St. George Claim; St. Patrick Claim; St. Paul Claim; California Claim; California Group; Last Chance Claim)
Stone Cabin Mine (McAvery Mine)

Latitude: 36°13'53"N
Longitude: 117°26'37"W
Decimal Degree (lat, lon): 36.231388888889,-117.44361111111
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 As Au Br C Ca Cl Cu Fe H K Mg Mn O P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAluniteApatiteAragoniteArsenopyriteBaryteBrochantiteCalciteCaledoniteChalcopyrite
ClayCopperCoronaditeLinariteMalachiteNoneNot in a structural groupPyritePyrochloreQuartz
RocksaltRutileSphaleriteTalc

30 IMA Minerals at location:
Acanthite  (*)Anglesite  (*)Arsenopyrite  (*)Azurite  (*)Bindheimite  (*)
Brochantite  (*)Bromargyrite  (*)Calcite  (*)Caledonite  (*)Cerussite  (*)
Chalcopyrite  (*)Chlorargyrite  (*)Coronadite  (*)Cryptomelane  (*)Ecdemite  (*)
Galena  (*)Gold  (*)Hydrozincite  (*)Jarosite  (*)Linarite  (*)
Malachite  (*)Mimetite  (*)Pyrite  (*)Pyrolusite  (*)Pyromorphite  (*)
Quartz  (*)Shattuckite  (*)Smithsonite  (*)Sphalerite  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11571112793
Anglesite  (*)BarytePb(SO4)3157101,157110,1571122734
Arsenopyrite  (*)ArsenopyriteFeAsS11571179052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211571125509
Bindheimite  (*)PyrochlorePb2Sb5+2O73157101,157110,157112450
Brochantite  (*)BrochantiteCu4(SO4)(OH)611571011633
Bromargyrite  (*)RocksaltAgBr1157101227
Calcite  (*)CalciteCa(CO3)2157101,15711227770
Caledonite  (*)CaledoniteCu2Pb5(SO4)3(CO3)(OH)62157101,157112359
Cerussite  (*)AragonitePb(CO3)3157101,157110,1571124979
Chalcopyrite  (*)ChalcopyriteCuFeS2115711727198
Chlorargyrite  (*)RocksaltAgCl3157101,157110,1571121382
Coronadite  (*)CoronaditePb(Mn4+6Mn3+2)O163157101,157110,157112227
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O163157101,157110,157112599
Ecdemite  (*)NonePb6As3+2O7Cl4115710112
Galena  (*)RocksaltPbS3157101,157110,15711724243
Gold  (*)CopperAu3.90.3811157099,157100,157102,157103,157104,157105,157106,157108,157115,157117,15711830554
Hydrozincite  (*)NoneZn5(CO3)2(OH)62157110,1571121066
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)611571102228
Linarite  (*)LinariteCuPb(SO4)(OH)22157101,157112987
Malachite  (*)MalachiteCu2(CO3)(OH)22157101,15711212537
Mimetite  (*)ApatitePb5(AsO4)3Cl2157101,1571101107
Pyrite  (*)PyriteFeS2115711739462
Pyrolusite  (*)RutileMnO23157101,157110,1571123106
Pyromorphite  (*)ApatitePb5(PO4)3Cl11571101725
Quartz  (*)QuartzSiO23.90.3810157100,157101,157102,157103,157104,157105,157108,157115,157117,15711861156
Shattuckite  (*)NoneCu5(SiO3)4(OH)2115710171
Smithsonite  (*)CalciteZn(CO3)11571122473
Sphalerite  (*)SphaleriteZnS2157109,15711021482
Talc  (*)Clay TalcMg3Si4O10(OH)211571183337


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
NAVDAT-76813.90.382.14±1.76   7681    79339Red Dog Mine [1] (J. L. Osborne Mine), Lookout City, Lookout District (Modoc District), Argus Mts (Argus Range), Inyo Co., California, USA NAVDAT NAVDAT 

SampleSource LocalityReference URL

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