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:
Neihart Mining District (Montana Mining District), Cascade Co., Montana, USA

mindat Locality ID: 27038
mindat URL: http://www.mindat.org/loc-27038.html

Tectonic Settings:

Total number of sublocalities beneath "Neihart Mining District (Montana Mining District), Cascade Co., Montana, USA": 69
Total number of bottom-level sublocalities: 68

Number of Child Localities: 66
Child Localities:
Benton Mine (Spokane; Big Snowy)
Big Ben Mine
Big Seven Mine
Big Snowy Claim
Black Diamond
Blackbird
Blizzard
Boss Mine (Rochester Mine; Atlantus Mine)
Broadwater Mines (Moulton-Broadwater; Silver Belt; Liberty)
Broken Hill
Bull Of The Woods Mine
Champion B (Champion Mine)
Concentrated And Monarch
Cornucopia Mining Group (Cornucopia Mine)
Cowboy Prospect
Cumberland Prospect
Dacotah Mine (Dakota Mine)
Dawn And Foster Prospect
Double X X
Eighty Eight
Equator Mine
Eureka
Fairplay Mine
Florence Mine (M&I; Florence-Queen)
Frisco
Gabbro Contact Zone
Graham & Hollowbush (S And R)
Harner & Davis Prospect
Hartley Mine
Hatchet Prospect
Hegener Occurrence (Baker; Cecelia; Bluebird; Copper Queen; Homestake; Sylvester; Vilipa; Gold Rock; Rock Ford; Anita)
Hidden Treasure
Ingersoll (Moulton Group)
IXL (Collette)
Leroy (Johannesburg)
Lexington Mine
Lizzie
Luckystrike (Commonwealth; Spotted)
Maud S.
Minute Man Group (Minute Man; Westgard Claim; Last Hope Claim)
Mogul Lode Mine
Moulton Mine (Compromise)
Moulton Mine (Rochester; Moulton Group; Unity; Unity & Rochester)
Mountain Chief
Neihart
Nevada
New Alicia & New Rodwell Claims
Nilson
Peabody
Ponderosa Mine
Queen Of The Hills Mine (Queen Mine; O'Brien Mine; Galt; Equator; Equator & Great Western)
Ripple
Rock Creek
Ruth Mary And Fitzpatrick (Ruth Mary Mine; Fitzpatrick & Stallabross; Fitzpatrick And Stallabross; Fitzpatrick And Rosemary; Rosemary And Fitzpatrick)
Savage Mine
Sherman (Flamsburg)
Silver Belt
Silver Dyke Mine
Silver Horn Occurrence
Spotted Horse Prospect
Star Fraction Mine
Star Group
Thorson Hoover Creek Occurrence
Tom Hendricks (Arizona)
Venus Occurrence
Whippoorwill Mine (Blotter)

Latitude: 46°56'59"N
Longitude: 110°43'20"W
Decimal Degree (lat, lon): 46.949722222222,-110.72222222222

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	Aphthitalite	Aragonite	Arsenic	Baryte	Calcite	Chalcopyrite	Clinozoisite	Copper	Epidote
Fluorite	Malachite	Molybdenite	None	Polybasite	Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt
Sphalerite	Tetrahedrite	Titanite	Vesuvianite	Wollastonite

Acanthite ()*	Ankerite ()*	Antimony ()*	Arsenic ()*	Augite ()*
Baryte ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Epidote ()*	Fluorite ()*	Freibergite ()*	Galena ()*	Gold ()*
Malachite ()*	Merwinite ()*	Molybdenite ()*	Molybdite ()*	Pearceite ()*
Polybasite ()*	Prehnite ()*	Proustite ()*	Pyrargyrite ()*	Pyrite ()*
Quartz ()*	Rhodochrosite ()*	Scawtite ()*	Silver ()*	Smithsonite ()*
Sphalerite ()*	Stephanite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*	Vesuvianite ()*
Wollastonite ()*

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 Ba C Ca Cl Cu F Fe H Mg Mn Mo Na O Pb S Sb Si Ti Zn

Elements from minerals reported directly at this locality: Ag Au S

Structural Groups for minerals in this locality:
Acanthite Aphthitalite Aragonite Arsenic Baryte Calcite Chalcopyrite Clinozoisite Copper Epidote
Fluorite Malachite Molybdenite None Polybasite Prehnite Pyrite Pyroxene Quartz Rocksalt
Sphalerite Tetrahedrite Titanite Vesuvianite Wollastonite

36 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	0		2793
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3	227607,227623,227650	3092
Antimony ()*	Arsenic	Sb	1	227644	363
Arsenic ()*	Arsenic	As	1	227644	379
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	227625	2060
Baryte ()*	Baryte	Ba(SO₄)	7	227607,227608,227623,227628,227641,227642,227650	11547
Calcite ()*	Calcite	Ca(CO₃)	2	227625,227642	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	227661	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	11	227601,227602,227607,227608,227616,227623,227630,227644,227650,227657,227661	27198
Chlorargyrite ()*	Rocksalt	AgCl	1	227628	1382
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	227625	8173
Fluorite ()*	Fluorite	CaF₂	1	227601	9617
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	1	227602	663
Galena ()*	Rocksalt	PbS	13	227600,227601,227602,227607,227608,227616,227623,227630,227635,227644,227650,227657,227662	24243
Gold ()*	Copper	Au	0		30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	227657	12537
Merwinite ()*	Aphthitalite	Ca₃Mg(SiO₄)₂	1	227625	23
Molybdenite ()*	Molybdenite	MoS₂	3	227601,227602,227630	5800
Molybdite ()*	None	MoO₃	1	227601	140
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]	1	227602	249
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	5	227600,227602,227608,227623,227641	716
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	227625	1898
Proustite ()*	None	Ag₃AsS₃	6	227602,227607,227608,227623,227628,227641	733
Pyrargyrite ()*	None	Ag₃SbS₃	6	227602,227607,227608,227623,227628,227662	1425
Pyrite ()*	Pyrite	FeS₂	12	227601,227602,227608,227616,227623,227641,227642,227644,227650,227654,227657,227661	39462
Quartz ()*	Quartz	SiO₂	7	227601,227607,227608,227616,227623,227650,227662	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	3	227607,227641,227642	1711
Scawtite ()*	None	Ca₇(Si₃O₉)₂(CO₃)·2H₂O	1	227625	25
Silver ()*	Copper	Ag	5	227600,227623,227628,227650,227662	5186
Smithsonite ()*	Calcite	Zn(CO₃)	1	227650	2473
Sphalerite ()*	Sphalerite	ZnS	13	227601,227602,227607,227608,227616,227623,227628,227630,227635,227644,227650,227657,227662	21482
Stephanite ()*	None	Ag₅SbS₄	1	227662	586
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	4	227607,227623,227644,227657	5317
Titanite ()*	Titanite	CaTi(SiO₄)O	1	227625	4899
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	227625	1395
Wollastonite ()*	Wollastonite	CaSiO₃	1	227625	1247

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...