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:
Franklin Hill Iron Deposit (Tarriff; Courtney Manganiferous Iron Deposit; Courtney Prospect), Philipsburg Mining District (Flint Creek Mining District), Granite Co., Montana, USA


mindat Locality ID: 161527
mindat URL: http://www.mindat.org/loc-161527.html

Tectonic Settings:

Total number of sublocalities beneath "Franklin Hill Iron Deposit (Tarriff; Courtney Manganiferous Iron Deposit; Courtney Prospect), Philipsburg Mining District (Flint Creek Mining District), Granite Co., Montana, USA": 7
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Hobo Mine (North Granite)
Iron Age
Old Kentuck Mine (Kentucky Iron Mine)
Puritan Mine
Redemption Iron Mine
Silver Chief Mine
Silver Lode Iron Mine (Silver Lode Mine)

Latitude: 46°19'41"N
Longitude: 113°15'59"W
Decimal Degree (lat, lon): 46.328055555556,-113.26638888889
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 As Au B C Ca Cl Cu F Fe H Mg Mn O P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleApatiteCalciteCopperHumiteLudwigiteNoneOlivinePyritePyroxene
QuartzRocksaltScapoliteSphaleriteSpinelStibniteTetrahedrite

19 IMA Minerals at location:
Calcite  (*)Chondrodite  (*)Diopside  (*)Dolomite  (*)Forsterite  (*)
Galena  (*)Gold  (*)Ludwigite  (*)Magnetite  (*)Meionite  (*)
Pyrite  (*)Pyromorphite  (*)Quartz  (*)Realgar  (*)Rhodochrosite  (*)
Sphalerite  (*)Stibnite  (*)Tetrahedrite-(Zn)  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)122865727770
Chondrodite  (*)HumiteMg5(SiO4)2F21228657285
Diopside  (*)PyroxeneCaMgSi2O612286574135
Dolomite  (*)NoneCaMg(CO3)212286599895
Forsterite  (*)OlivineMg2(SiO4)12286571188
Galena  (*)RocksaltPbS122865324243
Gold  (*)CopperAu2228653,22865830554
Ludwigite  (*)LudwigiteMg2Fe3+O2(BO3)1228657134
Magnetite  (*)SpinelFe2+Fe3+2O4122865714899
Meionite  (*)ScapoliteCa4Al6Si6O24(CO3)1228657176
Pyrite  (*)PyriteFeS2122865639462
Pyromorphite  (*)ApatitePb5(PO4)3Cl12286531725
Quartz  (*)QuartzSiO24228653,228656,228657,22865961156
Realgar  (*)NoneAsS1228653712
Rhodochrosite  (*)CalciteMn(CO3)2228653,2286561711
Sphalerite  (*)SphaleriteZnS122865321482
Stibnite  (*)StibniteSb2S312286533418
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132228653,2286565317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)22228657,2286592562


No ages have been assigned to this locality yet.
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