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:
Dunkleberg Mining District, Granite Co., Montana, USA


mindat Locality ID: 186095
mindat URL: http://www.mindat.org/loc-186095.html

Tectonic Settings:

Total number of sublocalities beneath "Dunkleberg Mining District, Granite Co., Montana, USA": 26
Total number of bottom-level sublocalities: 25

Number of Child Localities: 25
Child Localities:
Bellaire Mine
Bourard Lode Occurrence
Culver Mine
Douglas Mountain
Dunkelberg
Forest Rose
Hatta Mine (Magnet Mine)
Holly No. 1 Mine
Homestake Mine
Jackson Mine
Kirkendal Mine
Koski Mine (Lower Kirkendal Adit)
Monarch Mine
Monitor Mine
Mountain Chief Mine
Pearl Mine
Shamrock Mine
Snowhome Mine
Summit Mine
Sun Mine
Sunset Mine
Tangelfoot Mine
Unidentified Occurrence (MRDS - 10013206)
Unnamed Lead Deposit (MRDS - 10270368)
Wasa Mine (Monarch Mine; Simmer Jack; Durand; Key; Key-Durand)

Latitude: 46°31'14"N
Longitude: 113°5'14"W
Decimal Degree (lat, lon): 46.520555555556,-113.08722222222
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 Fe H K Mg O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteBaryteCalciteChalcopyriteClayCopperMicaNonePyriteQuartz
RocksaltSphaleriteTalcTetrahedrite

13 IMA Minerals at location:
Anglesite  (*)Calcite  (*)Cerussite  (*)Chalcopyrite  (*)Galena  (*)
Gold  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)Siderite  (*)
Sphalerite  (*)Talc  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anglesite  (*)BarytePb(SO4)12284412734
Calcite  (*)CalciteCa(CO3)2228439,22846027770
Cerussite  (*)AragonitePb(CO3)12284364979
Chalcopyrite  (*)ChalcopyriteCuFeS26228440,228441,228446,228452,228456,22846027198
Galena  (*)RocksaltPbS15228436,228437,228440,228441,228442,228444,228448,228449,228450,228451,228452,228454,228455,228456,22846024243
Gold  (*)CopperAu5228441,228445,228446,228448,22845430554
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122843917380
Pyrite  (*)PyriteFeS213228437,228440,228441,228442,228444,228446,228449,228451,228452,228454,228455,228456,22846039462
Quartz  (*)QuartzSiO211228437,228439,228441,228442,228446,228448,228450,228451,228454,228456,22846061156
Siderite  (*)CalciteFe(CO3)12284606417
Sphalerite  (*)SphaleriteZnS9228440,228441,228442,228444,228446,228448,228452,228457,22846021482
Talc  (*)Clay TalcMg3Si4O10(OH)212284393337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132228446,2284605317


No ages have been assigned to this locality yet.
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