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:
Potosi Mining District, Madison Co., Montana, USA

Oldest recorded age at locality: 70
Youngest recorded age at locality: 70

mindat Locality ID: 186157
mindat URL: http://www.mindat.org/loc-186157.html

Tectonic Settings:

Total number of sublocalities beneath "Potosi Mining District, Madison Co., Montana, USA": 38
Total number of bottom-level sublocalities: 37

Number of Child Localities: 36
Child Localities:
Beaverhead National Forest
Bullion Mine
Demos Group (Margie; Roger; Independent; Lucky Joe; Potosi Tungsten; Rockefeller)
Granite Mountain No. 4 Claim
Granite Mountain Occurrence
Grant Mine
Green Jacket Claim
Grigg Group (Wilson; Washington; Roosevelt; Granite Mtn 1; 2 And 3 Claims; Grant; Lincoln)
Independent Occurrence
Invincible Quartz Lode Prospect
Iron King Mine
Joyanna Lode Claim
Keystone Occurrence
Lincoln Mine
Lucky Joe Prospect
Manhatten And Mercury Occurrence (Mercury And Manhatten)
Margie Occurrence
Mary Mark Lode Occurrence
Mountain Rose Occurrence
Nevada Group Claims (Arizona Claim; Arkansas Claim; Kansas Claim; Texas Claim; Wyoming Claim; Cherokee Strip Claim; Applesauce Claim; Defender Nos. 104 Claims; Oregon Claim; Utah Claim; Idaho Claim)
Perfect Day Lode Claim
Potosi
Potosi Deposits
Presidential Group (Grigg; Lincoln)
Rockefeller Occurrence
Rodgers Occurrence (Rogers Claim)
Saturday Lode Claim
Surprise Lode Claim
Unnamed Copper Mine (MRDS - 10148578)
Unnamed Silver Mine (MRDS - 10124254)
Unnamed Silver Mine (MRDS - 10149017)
Unnamed Silver Mine (MRDS - 10197500)
Victory Lode Claim
Washington Prospect
William Fly Occurrence
Wilson Mine

Latitude: 45°34'15"N
Longitude: 111°57'58"W
Decimal Degree (lat, lon): 45.570833333333,-111.96611111111

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	Chalcopyrite	Columbite	Copper	Fluorite	Molybdenite	None	Pyrite	Quartz	Rocksalt
Rutile	Sphalerite	Tetrahedrite	Tungstite

Anglesite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Fluorite ()*	Galena ()*
Hübnerite ()*	Miargyrite ()*	Molybdenite ()*	Pyrargyrite ()*	Pyrite ()*
Pyrolusite ()*	Quartz ()*	Silver ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*
Tungstite ()*

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 Ca Cl Cu F Fe H Mn Mo O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality: Ag H Mn O S Sb W

Structural Groups for minerals in this locality:
Baryte Chalcopyrite Columbite Copper Fluorite Molybdenite None Pyrite Quartz Rocksalt
Rutile Sphalerite Tetrahedrite Tungstite

16 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
Anglesite ()*	Baryte	Pb(SO₄)	70	70	1	231166	2734
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	70	70	1	231166	27198
Chlorargyrite ()*	Rocksalt	AgCl	70	70	2	231163,231166	1382
Fluorite ()*	Fluorite	CaF₂	70	70	4	231166,231171,231185,231186	9617
Galena ()*	Rocksalt	PbS	70	70	1	231171	24243
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	70	70	12	231163,231166,231168,231170,231171,231176,231179,231182,231183,231185,231186,231188	469
Miargyrite ()*	None	AgSbS₂	70	70	0		300
Molybdenite ()*	Molybdenite	MoS₂	70	70	1	231168	5800
Pyrargyrite ()*	None	Ag₃SbS₃	70	70	0		1425
Pyrite ()*	Pyrite	FeS₂	70	70	6	231163,231166,231171,231179,231185,231186	39462
Pyrolusite ()*	Rutile	MnO₂	70	70	0		3106
Quartz ()*	Quartz	SiO₂	70	70	2	231182,231188	61156
Silver ()*	Copper	Ag	70	70	0		5186
Sphalerite ()*	Sphalerite	ZnS	70	70	2	231185,231186	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	70	70	5	231163,231166,231170,231171,231176	5317
Tungstite ()*	Tungstite	WO₃·H₂O	70	70	0		118

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
	Mo-00186	70	70								Yes		Molybdenite, Powellite, Wulfenite	Mo	23236	Madison Co., Montana, USA	Madison County	Gammons et al. (2006)	10.1007/s10230-006-0113-7	MWE25_70

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...