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:
Sevenmile-Scratchgravel Mining District, Lewis And Clark Co., Montana, USA


mindat Locality ID: 68366
mindat URL: http://www.mindat.org/loc-68366.html

Tectonic Settings:

Total number of sublocalities beneath "Sevenmile-Scratchgravel Mining District, Lewis And Clark Co., Montana, USA": 55
Total number of bottom-level sublocalities: 54

Number of Child Localities: 54
Child Localities:
Ajax Mine
Ariadene Claim (Adiadene Claim)
Blue Bird Copper And Silver Mining Company
Bluebird Company
Bonanza Mine
Charles D. Greenfield Property
Clay Deposit Northwest Of Scratchgravel Hills
Come Again And Crown Groups
Drumheller Mine (Aster Mine; Howard Mine)
Elizabeth Mine
Ella Mine
Fairview Claim (Coulson)
Franklin Mine
General Harrison Mine
Golden Crown Mine
Golden Flag
Guy Mine
Helena Mine
Hematite Iron Mine (MRDS - 10245901)
Herb W
Hopeful Mine
Iowa Gulch Placers
Iridescent Claim
Iron (MRDS - 10270210)
Julia Mine
Katy Mine
Lexington Mine
Lion Mine
Looby Mine (Loory Mine)
Magpie Group
Moonlight Mine
Morning Star Mine
Mullin Claim
North Star Claim
Pearl Mine
Porter Brothers Corporation
Queen Of The Valley Claim
Regina Claim
Robinson Occurrence
Rock Rose Mine (Dandy Mine)
Sam Gaty Mine (Doctor Steele; Franklin Mine; No. 1 Shaft)
Scratchgravel Hills
Scratchgravel Hills Placer (Iowa; Butcherknife And Spring Gulches)
Scratchgravel Mine
Sevenmile Creek Placers
Silver Age Mine (Helena Silver Lead)
Silver Bar Mine
Silver Cross Mine
Silver-Copper Mining Company
Unknown Clay - Kaolin (MRDS - 10019338)
Unnamed Gold And Copper Occurrence (MRDS - 10124797)
Unnamed Gold And Silver Occurrence (MRDS - 10245493)
Wayside Mine (Nettie; Bluebird)
Yellowstone Claim

Latitude: 46°39'48"N
Longitude: 112°4'59"W
Decimal Degree (lat, lon): 46.663333333333,-112.08305555556
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 C Ca Cl Cu F Fe H K Mg Mn Na O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneApatiteAragoniteCalciteChalcopyriteClayCopperKaoliniteMalachiteMica
NonePyriteQuartzRocksaltRutileSphaleriteTetrahedriteVesuvianite

18 IMA Minerals at location:
Ankerite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Copper  (*)Galena  (*)Gold  (*)Kaolinite  (*)Malachite  (*)
Mimetite  (*)Muscovite  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)
Sphalerite  (*)Tetrahedrite-(Zn)  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)22230242,2302543092
Calcite  (*)CalciteCa(CO3)123027627770
Cerussite  (*)AragonitePb(CO3)12302434979
Chalcopyrite  (*)ChalcopyriteCuFeS25230242,230259,230263,230266,23026727198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O4230242,230256,230263,2302663531
Copper  (*)CopperCu2230260,2302673846
Galena  (*)RocksaltPbS15230235,230236,230238,230242,230243,230251,230254,230259,230260,230262,230263,230264,230273,230274,23027824243
Gold  (*)CopperAu27230234,230238,230241,230242,230243,230244,230247,230248,230251,230254,230255,230258,230259,230260,230262,230263,230266,230267,230268,230270,230271,230273,230274,230277,230278,230279,23028730554
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412302845591
Malachite  (*)MalachiteCu2(CO3)(OH)22230256,23028712537
Mimetite  (*)ApatitePb5(AsO4)3Cl4230236,230243,230245,2302541107
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22230236,23028717380
Pyrite  (*)PyriteFeS28230236,230248,230254,230259,230264,230274,230278,23028739462
Pyrolusite  (*)RutileMnO212302443106
Quartz  (*)QuartzSiO222230234,230235,230236,230238,230242,230243,230244,230245,230247,230248,230254,230258,230260,230263,230264,230266,230267,230270,230271,230274,230278,23028761156
Sphalerite  (*)SphaleriteZnS123027821482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1312302485317
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012302761395


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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