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:
Boulder Batholith, Jefferson Co., Montana, USA

mindat Locality ID: 65103
mindat URL: http://www.mindat.org/loc-65103.html

Tectonic Settings:

Total number of sublocalities beneath "Boulder Batholith, Jefferson Co., Montana, USA": 38
Total number of bottom-level sublocalities: 32

Number of Child Localities: 13
Child Localities:
Bald Mountain
Best Wish Placer
Boulder District
Boulder Iron Mine (Boulder Deposit)
Delmoe Lake Area
Goldflint Mountain
Homestake Pass
Little Gem Mine
Little Pipestone Creek
Marcus Pruett's Feldspar Claim
Rader Creek
Toll Mountain
Wissikihon Creek

Latitude: 46°4'6"N
Longitude: 112°11'16"W
Decimal Degree (lat, lon): 46.068333333333,-112.18777777778

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Acanthite	Amphibole	Apatite	Arsenopyrite	Astrophyllite	Autunite	Axinite	Baryte	Beryl	Brookite
Calcite	Chalcopyrite	Clay	Clinozoisite	Columbite	Copper	Corundum	Danburite	Diaspore	Epidote
Feldspar	Fluorite	Garnet	Kaolinite	Lepidocrocite	Malachite	Mica	Molybdenite	None	Not in a structural group
Phenakite	Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Sphalerite	Spinel
Titanite	Topaz	Tourmaline	Vesuvianite	Zircon

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: Ag Al As Au B Ba Be Bi C Ca Cu F Fe H Hg K Mg Mn Mo Na Nb O P Pb S Sb Si Ti U W Y Zn Zr

Elements from minerals reported directly at this locality: Al Ca F Fe H O Si

Structural Groups for minerals in this locality:
Acanthite Amphibole Apatite Arsenopyrite Astrophyllite Autunite Axinite Baryte Beryl Brookite
Calcite Chalcopyrite Clay Clinozoisite Columbite Copper Corundum Danburite Diaspore Epidote
Feldspar Fluorite Garnet Kaolinite Lepidocrocite Malachite Mica Molybdenite None Not in a structural group
Phenakite Prehnite Pyrite Pyroxene Quartz Rocksalt Rutile Scheelite Sphalerite Spinel
Titanite Topaz Tourmaline Vesuvianite Zircon

60 IMA Minerals at location:

Acanthite ()*	Albite ()*	Anatase ()*	Anorthite ()*	Arsenopyrite ()*
Astrophyllite ()*	Autunite ()*	Axinite-(Fe) ()*	Baryte ()*	Bertrandite ()*
Beryl ()*	Brookite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*
Cinnabar ()*	Cosalite ()*	Danburite ()*	Diopside ()*	Epidote ()*
Fluorapatite ()*	Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*
Grossular ()*	Hematite ()*	Ilmenite ()*	Kaolinite ()*	Laumontite ()*
Lepidocrocite ()*	Magnesio-hornblende ()*	Magnetite ()*	Malachite ()*	Metatorbernite ()*
Microcline ()*	Molybdenite ()*	Muscovite ()*	Orthoclase ()*	Phenakite ()*
Powellite ()*	Prehnite ()*	Pyrargyrite ()*	Pyrite ()*	Quartz ()*
Rutile ()*	Samarskite-(Y) ()*	Scheelite ()*	Schorl ()*	Silver ()*
Spessartine ()*	Sphalerite ()*	Tenorite ()*	Titanite ()*	Topaz ()*
Uraninite ()*	Uranophane-α ()*	Vesuvianite ()*	Zeunerite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	229076	2793
Albite ()*	Feldspar	Na(AlSi₃O₈)	11	229070,229076,229093,229095,229096,229098,229099,229100,229103,229104,229106	8803
Anatase ()*	Not in a structural group	TiO₂	4	229099,229100,229101,229106	2162
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	229076	1036
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	229076	9052
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	2	229099,229100	161
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1	229076	1272
Axinite-(Fe) ()*	Axinite	Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂	1	229103	260
Baryte ()*	Baryte	Ba(SO₄)	1	229076	11547
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	229100	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	229100	4286
Brookite ()*	Brookite	TiO₂	3	229100,229101,229106	700
Calcite ()*	Calcite	Ca(CO₃)	1	229071	27770
Chalcocite ()*	None	Cu₂S	1	229074	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	229074,229076,229087	27198
Cinnabar ()*	None	HgS	1	229083	2600
Cosalite ()*	None	Pb₂Bi₂S₅	2	229093,229100	344
Danburite ()*	Danburite	CaB₂Si₂O₈	1	229100	148
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	229071	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	5	229093,229098,229100,229101,229103	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	229103	2740
Fluorite ()*	Fluorite	CaF₂	0		9617
Galena ()*	Rocksalt	PbS	3	229074,229076,229085	24243
Goethite ()*	Diaspore	FeO(OH)	3	229070,229101,229107	7437
Gold ()*	Copper	Au	7	229074,229079,229081,229085,229087,229088,229091	30554
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	229071	1544
Hematite ()*	Corundum	Fe₂O₃	1	229093	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	229100	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	229076	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	0		1271
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)	0		581
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	1	229076	238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	229106	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	229101	12537
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	1	229076	443
Microcline ()*	Feldspar	K(AlSi₃O₈)	10	229070,229093,229096,229098,229099,229100,229101,229103,229104,229106	4924
Molybdenite ()*	Molybdenite	MoS₂	2	229076,229087	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	7	229076,229093,229096,229098,229099,229100,229106	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	229076	2349
Phenakite ()*	Phenakite	Be₂(SiO₄)	1	229100	326
Powellite ()*	Scheelite	Ca(MoO₄)	1	229087	494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	0		1898
Pyrargyrite ()*	None	Ag₃SbS₃	1	229076	1425
Pyrite ()*	Pyrite	FeS₂	4	229074,229076,229085,229087	39462
Quartz ()*	Quartz	SiO₂	18	229070,229074,229076,229087,229093,229094,229095,229096,229097,229098,229099,229100,229101,229102,229103,229104,229106,229107	61156
Rutile ()*	Rutile	TiO₂	2	229096,229100	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1	229076	353
Scheelite ()*	Scheelite	Ca(WO₄)	1	229087	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	6	229093,229096,229099,229100,229101,229106	2705
Silver ()*	Copper	Ag	1	229076	5186
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	3	229093,229099,229100	1214
Sphalerite ()*	Sphalerite	ZnS	1	229074	21482
Tenorite ()*	None	CuO	1	229087	1101
Titanite ()*	Titanite	CaTi(SiO₄)O	7	229070,229098,229100,229101,229103,229104,229106	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	2	229093,229094	1476
Uraninite ()*	Fluorite	UO₂	1	229076	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1	229076	890
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	229071	1395
Zeunerite ()*	Autunite	Cu(UO₂)₂(AsO₄)₂·12H₂O	1	229076	185
Zircon ()*	Zircon	Zr(SiO₄)	1	229100	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R061082	Little Gem Mine, Boulder Batholith, Jefferson Co., Montana, USA	https://rruff.info/R061082

All locality data graciously provided by mindat.org

All age data...