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:
Iron Mountain Mining District (Keystone Mining District), Mineral Co., Montana, USA

mindat Locality ID: 50296
mindat URL: http://www.mindat.org/loc-50296.html

Tectonic Settings:

Total number of sublocalities beneath "Iron Mountain Mining District (Keystone Mining District), Mineral Co., Montana, USA": 16
Total number of bottom-level sublocalities: 14

Number of Child Localities: 14
Child Localities:
Big Day Placer
Hopkins Mine
Idaho Gulch
Keystone Mine (Prosperity Mine; Prosperty Mine)
Marietta Placer
Montana Barite Pit
Mountain Gem Mine
Night Owl Mine
Pardee Creek
Prosperity Group (Keystone Mine)
Red Bluff Quarry
Santa Rita Group
Snowdrift Prospect
Victor Mancini Property

Latitude: 47°14'48"N
Longitude: 114°53'31"W
Decimal Degree (lat, lon): 47.246666666667,-114.89194444444

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.

Baryte	Calcite	Chalcopyrite	Copper	Marcasite	None	Pyrite	Quartz	Rocksalt	Sphalerite
Spinel	Tetrahedrite

Ankerite ()*	Baryte ()*	Boulangerite ()*	Calcite ()*	Chalcopyrite ()*
Galena ()*	Gold ()*	Magnetite ()*	Marcasite ()*	Pyrite ()*
Quartz ()*	Siderite ()*	Silver ()*	Sphalerite ()*	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 Au Ba C Ca Cu Fe O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Copper Marcasite None Pyrite Quartz Rocksalt Sphalerite
Spinel Tetrahedrite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	231940	3092
Baryte ()*	Baryte	Ba(SO₄)	3	231940,231947,231948	11547
Boulangerite ()*	None	Pb₅Sb₄S₁₁	1	231940	843
Calcite ()*	Calcite	Ca(CO₃)	1	231947	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	4	231940,231945,231947,231948	27198
Galena ()*	Rocksalt	PbS	4	231940,231945,231947,231948	24243
Gold ()*	Copper	Au	2	231937,231942	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	231945	14899
Marcasite ()*	Marcasite	FeS₂	1	231940	5674
Pyrite ()*	Pyrite	FeS₂	3	231940,231945,231947	39462
Quartz ()*	Quartz	SiO₂	4	231940,231945,231947,231948	61156
Siderite ()*	Calcite	Fe(CO₃)	1	231940	6417
Silver ()*	Copper	Ag	2	231945,231947	5186
Sphalerite ()*	Sphalerite	ZnS	3	231940,231945,231947	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	2	231940,231945	5317

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...