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:
Bryant Mining District (Hecla Mining District), Beaverhead Co., Montana, USA

mindat Locality ID: 50233
mindat URL: http://www.mindat.org/loc-50233.html

Tectonic Settings:

Total number of sublocalities beneath "Bryant Mining District (Hecla Mining District), Beaverhead Co., Montana, USA": 17
Total number of bottom-level sublocalities: 16

Number of Child Localities: 16
Child Localities:
Big Four Mine
Cleve-Avon Group (Franklin; Cleve; Avon; South Avon; West Avon; Hull; Barbour; Wake Up Jim; True Blue; Artic; Big Four)
Elm Orlu (Elm Or Lou)
Forest Queen
Fraction
Geologist
Hecla-Silver King Group
Keokuk Mine (Keokirk)
Lion Mountain Group (Lion Mountain Tunnel; Cleopatra; Atlantis; Ariadne; Condor; Alta; True Fissure; Mark Anthony; Oneida; Pride Of The West; Blue Bird; Sheep Mountain; Ramshorn; Silver Quartz)
Minnie Gaffney Mine
New Atlantis Mine
Old Atlantis Mine
Pride Of The West
Trapper Mine
True Fissure Mine
Unknown Prospect (MRDS - 10269457)

Latitude: 45°35'50"N
Longitude: 112°55'55"W
Decimal Degree (lat, lon): 45.597222222222,-112.93194444444

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	Allophane	Apatite	Aragonite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum
Epidote	Malachite	Mica	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite
Tetrahedrite

Acanthite ()*	Aurichalcite ()*	Azurite ()*	Bayldonite ()*	Calcite ()*
Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*
Cuprite ()*	Dolomite ()*	Epidote ()*	Galena ()*	Gold ()*
Hematite ()*	Hemimorphite ()*	Malachite ()*	Mimetite ()*	Muscovite ()*
Pyrite ()*	Quartz ()*	Rosasite ()*	Siderite ()*	Silver ()*
Smithsonite ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*	Wulfenite ()*

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 Cl Cu Fe H K Mg Mo O Pb S Sb Si Zn

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

Structural Groups for minerals in this locality:
Acanthite Allophane Apatite Aragonite Calcite Chalcopyrite Clay Clinozoisite Copper Corundum
Epidote Malachite Mica None Not in a structural group Pyrite Quartz Rocksalt Scheelite Sphalerite
Tetrahedrite

29 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	1	226479	2793
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	1	226482	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	4	226475,226479,226481,226482	5509
Bayldonite ()*	None	Cu₃PbO(AsO₃OH)₂(OH)₂	1	226482	172
Calcite ()*	Calcite	Ca(CO₃)	1	226479	27770
Cerussite ()*	Aragonite	Pb(CO₃)	3	226474,226479,226482	4979
Chalcocite ()*	None	Cu₂S	1	226479	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	226479,226481	27198
Chlorargyrite ()*	Rocksalt	AgCl	1	226479	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	226479	3531
Cuprite ()*	Not in a structural group	Cu₂O	1	226479	2970
Dolomite ()*	None	CaMg(CO₃)₂	3	226473,226479,226487	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Galena ()*	Rocksalt	PbS	5	226474,226479,226481,226483,226487	24243
Gold ()*	Copper	Au	3	226474,226479,226481	30554
Hematite ()*	Corundum	Fe₂O₃	1	226479	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	3	226479,226481,226482	1689
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	4	226475,226479,226481,226487	12537
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl	1	226482	1107
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pyrite ()*	Pyrite	FeS₂	4	226475,226479,226483,226487	39462
Quartz ()*	Quartz	SiO₂	4	226474,226479,226483,226487	61156
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂	1	226482	454
Siderite ()*	Calcite	Fe(CO₃)	2	226479,226487	6417
Silver ()*	Copper	Ag	2	226479,226481	5186
Smithsonite ()*	Calcite	Zn(CO₃)	1	226479	2473
Sphalerite ()*	Sphalerite	ZnS	3	226475,226479,226487	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	3	226474,226479,226481	5317
Wulfenite ()*	Scheelite	PbMoO₄	1	226482	1655

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...