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:
Continental Pit (Continental East Pit; East Berkeley Pit), Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA

Oldest recorded age at locality: 64
Youngest recorded age at locality: 57

mindat Locality ID: 107252
mindat URL: http://www.mindat.org/loc-107252.html

Tectonic Settings:

Total number of sublocalities beneath "Continental Pit (Continental East Pit; East Berkeley Pit), Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°0'39"N
Longitude: 112°28'48"W
Decimal Degree (lat, lon): 46.010833333333,-112.48

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.

Allophane	Alunite	Andalusite	Aragonite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Covellite
Diaspore	Digenite	Enargite	Fluorite	Gypsum	Kaolinite	Malachite	Mica	Molybdenite	None
Not in a structural group	Pyrite	Pyrophyllite	Quartz	Rocksalt	Scheelite	Sphalerite	Spinel	Tetrahedrite	Wurtzite

Alunite ()*	Anhydrite ()*	Azurite ()*	Bornite ()*	Cerussite ()*
Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Copper ()*	Cornwallite ()*
Covellite ()*	Cuprite ()*	Digenite ()*	Enargite ()*	Fluorite ()*
Galena ()*	Goethite ()*	Gypsum ()*	Hematite ()*	Hydrozincite ()*
Jarosite ()*	Kaolinite ()*	Libethenite ()*	Magnetite ()*	Malachite ()*
Molybdenite ()*	Muscovite ()*	Powellite ()*	Pyrite ()*	Pyrophyllite ()*
Quartz ()*	Rhodochrosite ()*	Siderite ()*	Smithsonite ()*	Sphalerite ()*
Tennantite-(Fe) ()*	Tenorite ()*	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: Al As C Ca Cu F Fe H K Mn Mo O P Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Al As C Ca Cu F Fe H K Mn Mo O P Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Allophane Alunite Andalusite Aragonite Calcite Chalcopyrite Clay Copper Corundum Covellite
Diaspore Digenite Enargite Fluorite Gypsum Kaolinite Malachite Mica Molybdenite None
Not in a structural group Pyrite Pyrophyllite Quartz Rocksalt Scheelite Sphalerite Spinel Tetrahedrite Wurtzite

38 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	64	57	966
Anhydrite ()*	Not in a structural group	Ca(SO₄)	64	57	1588
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	64	57	5509
Bornite ()*	None	Cu₅FeS₄	64	57	5516
Cerussite ()*	Aragonite	Pb(CO₃)	64	57	4979
Chalcocite ()*	None	Cu₂S	64	57	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	64	57	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	64	57	3531
Copper ()*	Copper	Cu	64	57	3846
Cornwallite ()*	None	Cu₅(AsO₄)₂(OH)₄	64	57	175
Covellite ()*	Covellite	CuS	64	57	4165
Cuprite ()*	Not in a structural group	Cu₂O	64	57	2970
Digenite ()*	Digenite	Cu_1.8S	64	57	1027
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	64	57	910
Fluorite ()*	Fluorite	CaF₂	64	57	9617
Galena ()*	Rocksalt	PbS	64	57	24243
Goethite ()*	Diaspore	FeO(OH)	64	57	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	64	57	6890
Hematite ()*	Corundum	Fe₂O₃	64	57	14640
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	64	57	1066
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	64	57	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	64	57	5591
Libethenite ()*	Andalusite	Cu₂(PO₄)(OH)	64	57	234
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	64	57	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	64	57	12537
Molybdenite ()*	Molybdenite	MoS₂	64	57	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	64	57	17380
Powellite ()*	Scheelite	Ca(MoO₄)	64	57	494
Pyrite ()*	Pyrite	FeS₂	64	57	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	64	57	771
Quartz ()*	Quartz	SiO₂	64	57	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	64	57	1711
Siderite ()*	Calcite	Fe(CO₃)	64	57	6417
Smithsonite ()*	Calcite	Zn(CO₃)	64	57	2473
Sphalerite ()*	Sphalerite	ZnS	64	57	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	64	57	1803
Tenorite ()*	None	CuO	64	57	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	64	57	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
	PorphCu-00137	64	57	64–57									Alunite, Bornite, Cerussite, Chalcopyrite, Copper, Covellite, Enargite, Fluorite, Galena, Jarosite, Kaolinite, Magnetite, Molybdenite, Powellite, Pyrite, Pyrophyllite, Rhodochrosite, Siderite, Sphalerite	Cu	107252	Continental Pit (Continental East Pit; East Berkeley Pit), Silver Bow Park, East Ridge, Butte Mining District (Summit Valley Mining District), Silver Bow Co., Montana, USA	Continental/Butte	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...