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:
Ontario Mining District (Elliston Mining District), Powell Co., Montana, USA

Oldest recorded age at locality: 79
Youngest recorded age at locality: 77.4

mindat Locality ID: 50314
mindat URL: http://www.mindat.org/loc-50314.html

Tectonic Settings:

Total number of sublocalities beneath "Ontario Mining District (Elliston Mining District), Powell Co., Montana, USA": 68
Total number of bottom-level sublocalities: 67

Number of Child Localities: 66
Child Localities:
Adams Brothers Mine
Amanda Occurrence
Anna R. And Hattie M. Mines
Apex Queen Prospect
Badger Prospect
Blackfeet No. 1 Occurrence
Blackfeet No. 3 Occurrence
Blue Bell Mine
Bluebird Mine (Blue Bird; Brooklyn)
Brooklyne Mine
Bullion Mine
Carbonate King Mine
Charter Oak Mine
Clark Mine
Davis Tunnel Site Occurrence
Dutchman Placer
Elliston Consolidated Group
Elliston Phosphate Mine Phosphate (Little Blackfoot River Mine)
Elliston Quarry
Flora Mine
Gold Way Placer
Golden Anchor Mine
Hard Luck Mines
Hub Camp Group
Julia Mine (Copper King Mine; Sure Thing Mine)
Kappy Green Prospect
Katydid Placer
Kimball Mines
Kram Fraction Occurrence
Lilly-Orphan Boy Group (Twin City Mine; Orphan Boy Mine; Lily Mine; Lily-Orphan Boy Group)
Little Blackfoot River Placer
Lone Wolf Prospect
Mike Renig Gulch Placer (Mike Rienig Gulch Placer)
Monarch Mine
Negros Mine (Hopkins Mine)
North Bison Mountain Prospect
North Pole Mine (Lucky Strike Mine)
Ohio And Speculator Occurrence
Ontario Creek Placer (Eddy Claim)
Ontario Mine
Orofino Creek
Sadie Mine
Saturday Morning Prospect
Senecal Incline Occurrence
Sherman Clark Mine
Spokane Placer
Spotted Dog Creek Prospect
Sunny Hill Prospect
Sunrise Prospect
Surething Mine (O'Keefe; Lily Mine)
T. R. Cooney Occurrence
Telegraph Creek Placer
Telegraph Mine Placer
Third Term Mine (Fourth Term Mine)
Timber Tram Occurrence
Trapper Jim Prospects
Treasure Mountain Mine
Twin City Mining And Milling Company
Unnamed Gold Prospect (MRDS - 10222000)
Unnamed Pumice Occurrence (MRDS - 10124979)
Unnamed Pumice Occurrence (MRDS - 10270088)
Unnamed Silver Mine (MRDS - 10221826)
Valjo Placer
Viking Mine
Walter Cooney Occurrence
Wolverine Mine

Latitude: 46°27'22"N
Longitude: 112°30'17"W
Decimal Degree (lat, lon): 46.456111111111,-112.50472222222

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.

Alunite	Arsenopyrite	Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Covellite	Enargite	Epidote
Malachite	Millerite	Molybdenite	Nickeline	None	Polybasite	Pyrite	Quartz	Rocksalt	Sphalerite
Tetrahedrite	Wurtzite

Ankerite ()*	Arsenopyrite ()*	Boulangerite ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Covellite ()*	Enargite ()*	Epidote ()*	Galena ()*
Gold ()*	Hematite ()*	Malachite ()*	Millerite ()*	Molybdenite ()*
Plumbojarosite ()*	Polybasite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Sphalerite ()*	Tennantite-(Fe) ()*	Tetrahedrite-(Zn) ()*

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 C Ca Cu Fe H Mo Ni O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Arsenopyrite Calcite Chalcopyrite Clinozoisite Copper Corundum Covellite Enargite Epidote
Malachite Millerite Molybdenite Nickeline None Polybasite Pyrite Quartz Rocksalt Sphalerite
Tetrahedrite Wurtzite

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	233002	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	232959	9052
Boulangerite ()*	None	Pb₅Sb₄S₁₁			1	232959	843
Calcite ()*	Calcite	Ca(CO₃)			4	232956,232958,232970,233002	27770
Chalcocite ()*	None	Cu₂S			1	232968	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			5	232970,232972,232982,232990,233002	27198
Covellite ()*	Covellite	CuS			3	232968,232982,233002	4165
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄			1	232968	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	232954	8173
Galena ()*	Rocksalt	PbS	79	77.4	21	232952,232953,232955,232956,232957,232958,232959,232960,232966,232968,232969,232970,232972,232973,232976,232978,232982,232983,232988,232990,233002	24243
Gold ()*	Copper	Au			32	232949,232954,232955,232958,232959,232962,232966,232967,232968,232969,232970,232971,232972,232973,232975,232976,232978,232979,232981,232982,232983,232986,232987,232988,232990,232994,232998,233000,233001,233002,233011,233014	30554
Hematite ()*	Corundum	Fe₂O₃			1	232982	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	232954,232958	12537
Millerite ()*	Millerite	NiS			1	233002	1066
Molybdenite ()*	Molybdenite	MoS₂			1	232954	5800
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆			1	232959	477
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]			1	233002	716
Pyrite ()*	Pyrite	FeS₂	79	77.4	25	232952,232954,232955,232956,232957,232958,232959,232960,232966,232968,232969,232970,232971,232972,232973,232976,232978,232982,232983,232986,232988,232990,232998,233002,233014	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	232990	9056
Quartz ()*	Quartz	SiO₂	79	77.4	25	232949,232954,232955,232956,232957,232958,232959,232960,232966,232968,232969,232970,232971,232972,232973,232976,232978,232982,232983,232986,232988,232990,232998,233002,233014	61156
Sphalerite ()*	Sphalerite	ZnS	79	77.4	20	232952,232953,232956,232957,232958,232959,232960,232966,232968,232969,232970,232971,232972,232973,232978,232982,232983,232988,232990,233002	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	232972	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			7	232960,232968,232972,232973,232982,232990,233002	5317

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-76263	79	77.4	78.2±0.8					76263						160485	Bullion Mine, Ontario Mining District (Elliston Mining District), Powell Co., Montana, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...