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:
Greenhorn Mining District (Austin Mining District), Lewis And Clark Co., Montana, USA


mindat Locality ID: 50268
mindat URL: http://www.mindat.org/loc-50268.html

Tectonic Settings:

Total number of sublocalities beneath "Greenhorn Mining District (Austin Mining District), Lewis And Clark Co., Montana, USA": 11
Total number of bottom-level sublocalities: 11

Number of Child Localities: 11
Child Localities:
Baldy Smith Mine
Blue Jay Mine (Red Bird Mine)
Boeing Prospect (Flynn Fluorite & Gold; Flynn Property)
Copper Hill Mine
Evans-Jones Placer
Greenhorn Creek (Evans-Jones Placer; Skelly And Davis Gulches)
Hope Mine
King Tut Mine
Osage Chief Mine (Crissman Mine)
Silica Sand Location (MRDS - 10294654)
War Eagle Mine

Latitude: 46°39'18"N
Longitude: 112°14'35"W
Decimal Degree (lat, lon): 46.655,-112.24305555556
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 Au C Ca Cu F Fe H K O P Pb S Sb Si W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAluniteCalciteClayCopperCorundumFluoriteMalachiteMicaNone
PyriteQuartzRocksaltScheeliteSphaleriteSpinelStibniteTetrahedrite

17 IMA Minerals at location:
Calcite  (*)Chalcocite  (*)Chrysocolla  (*)Corkite  (*)Fluorite  (*)
Galena  (*)Gold  (*)Hematite  (*)Magnetite  (*)Malachite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Scheelite  (*)Sphalerite  (*)
Stibnite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)3230024,230026,23003127770
Chalcocite  (*)NoneCu2S12300245707
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12300243531
Corkite  (*)AlunitePbFe3+3(SO4)(PO4)(OH)61230023151
Fluorite  (*)FluoriteCaF212300259617
Galena  (*)RocksaltPbS2230030,23003324243
Gold  (*)CopperAu4230023,230026,230028,23003130554
Hematite  (*)CorundumFe2O33230023,230024,23003114640
Magnetite  (*)SpinelFe2+Fe3+2O4123003314899
Malachite  (*)MalachiteCu2(CO3)(OH)2123002412537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2123002317380
Pyrite  (*)PyriteFeS25230023,230024,230026,230030,23003139462
Quartz  (*)QuartzSiO25230023,230024,230025,230026,23003161156
Scheelite  (*)ScheeliteCa(WO4)12300284894
Sphalerite  (*)SphaleriteZnS123003021482
Stibnite  (*)StibniteSb2S312300303418
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1312300245317


No ages have been assigned to this locality yet.
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