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:
Big Blackfoot Mining District (Helmville Mining District), Powell Co., Montana, USA


mindat Locality ID: 50311
mindat URL: http://www.mindat.org/loc-50311.html

Tectonic Settings:

Total number of sublocalities beneath "Big Blackfoot Mining District (Helmville Mining District), Powell Co., Montana, USA": 37
Total number of bottom-level sublocalities: 36

Number of Child Localities: 33
Child Localities:
Blackbird Placer
Blackfoot Mine (Blackfoot Gold Mine)
Bluebird Placer
C. D. Hurd Placer
Corbin Mine
Deer Creek Mine
Douglas Creek Placer
Grouse Placer
Hard Rock & Placer Mine (Hard Rock And Placer Mine)
Higgins
Hilda Mine
Hill Top
Hobby Horse Mine (Mayflower; Necessity)
Hopkins Prospect (Western Mines; New Progress And Old Timer)
Hunter Mine
Kilburn Placer Mine
Klondike Ore No. 1 Occurrence
Last Chance Mine (Christine Mine)
Lincoln Valley Bentonite Occurrence
Magpie Placer
Marcum Hill Mines (Republican Claim; Jack Miller - H And H Mining Company)
McCacran Mine
Meadow Lark Placer
Moose Creek Mine
Nevada Creek Placers
Ogden Mountain Placer (Hopkins Placer)
Plutarc Mine (Snowflake Mine)
Raleigh Placer
Roselle Mine
Royal Mine
Smith-Jones Mine
Unnamed Gold Mine (MRDS - 10172934)
Unnamed Mines (MRDS - 10270097)

Latitude: 46°52'26"N
Longitude: 112°53'46"W
Decimal Degree (lat, lon): 46.873888888889,-112.89611111111
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: Au Ca Cu Fe H Mn O Pb S Sb Si Ti W Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CopperCorundumDiasporeNonePyriteQuartzRocksaltRutileScheeliteSpinel
TetrahedriteTitaniteZircon

12 IMA Minerals at location:
Galena  (*)Goethite  (*)Gold  (*)Hematite  (*)Magnetite  (*)
Pyrite  (*)Pyrolusite  (*)Quartz  (*)Scheelite  (*)Tetrahedrite-(Zn)  (*)
Titanite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Galena  (*)RocksaltPbS10232803,232806,232807,232811,232814,232816,232819,232822,232823,23283224243
Goethite  (*)DiasporeFeO(OH)4232802,232804,232821,2328247437
Gold  (*)CopperAu12232803,232805,232806,232807,232811,232814,232817,232826,232832,232833,232834,23283630554
Hematite  (*)CorundumFe2O3123280714640
Magnetite  (*)SpinelFe2+Fe3+2O45232802,232804,232809,232821,23282414899
Pyrite  (*)PyriteFeS27232803,232806,232807,232811,232814,232832,23283439462
Pyrolusite  (*)RutileMnO212328323106
Quartz  (*)QuartzSiO211232803,232806,232807,232811,232814,232819,232822,232823,232832,232834,23283661156
Scheelite  (*)ScheeliteCa(WO4)12232802,232803,232804,232806,232809,232811,232814,232821,232823,232824,232832,2328344894
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S133232816,232823,2328365317
Titanite  (*)TitaniteCaTi(SiO4)O3232802,232821,2328244899
Zircon  (*)ZirconZr(SiO4)5232802,232804,232809,232821,2328245251


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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