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:
Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA

Oldest recorded age at locality: 41.3
Youngest recorded age at locality: 37.9

mindat Locality ID: 48613
mindat URL: http://www.mindat.org/loc-48613.html

Tectonic Settings:

Total number of sublocalities beneath "Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Black Cat Mine
Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft)
Coon Valley Mine
Julia Fisk Mine
Nisi Prius Mine

Latitude: 39°13'34"N
Longitude: 106°14'49"W
Decimal Degree (lat, lon): 39.226111111111,-106.24694444444

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.

Aragonite	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Copper	Digenite	Marcasite	Nickeline	None
Pyrite	Quartz	Rocksalt	Sphalerite	Wurtzite

Arsenopyrite ()*	Aurichalcite ()*	Baryte ()*	Calcite ()*	Cerussite ()*
Chalcopyrite ()*	Chlorargyrite ()*	Digenite ()*	Dolomite ()*	Galena ()*
Gold ()*	Graphite ()*	Marcasite ()*	Matildite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Siderite ()*	Sphalerite ()*
Wurtzite ()*

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 As Au Ba Bi C Ca Cl Cu Fe H Mg Mn O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Arsenopyrite Baryte Calcite Chalcopyrite Copper Digenite Marcasite Nickeline None
Pyrite Quartz Rocksalt Sphalerite Wurtzite

21 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
Arsenopyrite ()*	Arsenopyrite	FeAsS	41.3	37.9	1	191467	9052
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	41.3	37.9	1	191467	919
Baryte ()*	Baryte	Ba(SO₄)	41.3	37.9	1	191465	11547
Calcite ()*	Calcite	Ca(CO₃)	41.3	37.9	1	191465	27770
Cerussite ()*	Aragonite	Pb(CO₃)	41.3	37.9	1	191465	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	41.3	37.9	2	191465,191467	27198
Chlorargyrite ()*	Rocksalt	AgCl	41.3	37.9	1	191468	1382
Digenite ()*	Digenite	Cu_1.8S	41.3	37.9	1	191465	1027
Dolomite ()*	None	CaMg(CO₃)₂	41.3	37.9	1	191465	9895
Galena ()*	Rocksalt	PbS	41.3	37.9	2	191465,191467	24243
Gold ()*	Copper	Au	41.3	37.9	1	191465	30554
Graphite ()*	None	C	41.3	37.9	1	191465	2812
Marcasite ()*	Marcasite	FeS₂	41.3	37.9	1	191465	5674
Matildite ()*	None	AgBiS₂	41.3	37.9	1	191465	252
Pyrite ()*	Pyrite	FeS₂	41.3	37.9	2	191465,191467	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	41.3	37.9	1	191465	9056
Quartz ()*	Quartz	SiO₂	41.3	37.9	2	191465,191467	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	41.3	37.9	1	191467	1711
Siderite ()*	Calcite	Fe(CO₃)	41.3	37.9	2	191465,191467	6417
Sphalerite ()*	Sphalerite	ZnS	41.3	37.9	2	191465,191467	21482
Wurtzite ()*	Wurtzite	ZnS	41.3	37.9	1	191465	372

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
	sedznpb-00472	41.3	37.9	39.6±1.7							Yes				3652	Leadville, Leadville District, Lake Co., Colorado, USA	Leadville	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL
R050129	Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA	https://rruff.info/R050129

All locality data graciously provided by mindat.org

All age data...