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:
Breece Hill, Leadville, Leadville District, Lake Co., Colorado, USA

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

mindat Locality ID: 47849
mindat URL: http://www.mindat.org/loc-47849.html

Tectonic Settings:

Total number of sublocalities beneath "Breece Hill, Leadville, Leadville District, Lake Co., Colorado, USA": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Breece Iron Mine
Capitol Claim
Ibex Mine (Little Jonny Mine)
Mike Mine
Nonie Claim
Ontario Claim
St. Paul Group

Latitude: 39°14'36"N
Longitude: 106°14'15"W
Decimal Degree (lat, lon): 39.243333333333,-106.2375

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	Amorphous	Apatite	Aragonite	Calcite	Chalcanthite	Chalcopyrite	Columbite	Copper	Corundum
Descloizite	Diaspore	Feldspar	Minium	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Scheelite
Sphalerite	Spinel	Tetrahedrite	Vivianite

Altaite ()*	Aurichalcite ()*	Cerussite ()*	Chalcanthite ()*	Chalcocite ()*
Chalcopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*	Copper ()*	Descloizite ()*
Goethite ()*	Gold ()*	Hematite ()*	Hemimorphite ()*	Hübnerite ()*
Magnetite ()*	Minium ()*	Opal ()*	Orthoclase ()*	Pyrite ()*
Pyromorphite ()*	Quartz ()*	Scheelite ()*	Siderite ()*	Smithsonite ()*
Sphalerite ()*	Tetrahedrite-(Zn) ()*	Vivianite ()*

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 Au C Ca Cl Cu Fe H K Mn O P Pb S Sb Si Te V W Zn

Elements from minerals reported directly at this locality: Cu Fe S

Structural Groups for minerals in this locality:
Allophane Amorphous Apatite Aragonite Calcite Chalcanthite Chalcopyrite Columbite Copper Corundum
Descloizite Diaspore Feldspar Minium None Not in a structural group Pyrite Quartz Rocksalt Scheelite
Sphalerite Spinel Tetrahedrite Vivianite

28 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
Altaite ()*	Rocksalt	PbTe	41.3	37.9	1	191411	489
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	41.3	37.9	1	191410	919
Cerussite ()*	Aragonite	Pb(CO₃)	41.3	37.9	1	191410	4979
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	41.3	37.9	1	191410	925
Chalcocite ()*	None	Cu₂S	41.3	37.9	1	191410	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	41.3	37.9	0		27198
Chlorargyrite ()*	Rocksalt	AgCl	41.3	37.9	1	191410	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	41.3	37.9	1	191410	3531
Copper ()*	Copper	Cu	41.3	37.9	1	191410	3846
Descloizite ()*	Descloizite	PbZn(VO₄)(OH)	41.3	37.9	1	191410	378
Goethite ()*	Diaspore	FeO(OH)	41.3	37.9	1	191410	7437
Gold ()*	Copper	Au	41.3	37.9	1	191410	30554
Hematite ()*	Corundum	Fe₂O₃	41.3	37.9	1	191408	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	41.3	37.9	1	191410	1689
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	41.3	37.9	1	191411	469
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	41.3	37.9	2	191408,191410	14899
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄	41.3	37.9	1	191410	247
Opal ()*	Amorphous	SiO₂·nH₂O	41.3	37.9	1	191410	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	41.3	37.9	1	191408	2349
Pyrite ()*	Pyrite	FeS₂	41.3	37.9	8	191408,191409,191410,191411,191412,191413,191414,191415	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	41.3	37.9	1	191410	1725
Quartz ()*	Quartz	SiO₂	41.3	37.9	6	191409,191410,191411,191413,191414,191415	61156
Scheelite ()*	Scheelite	Ca(WO₄)	41.3	37.9	6	191409,191410,191411,191413,191414,191415	4894
Siderite ()*	Calcite	Fe(CO₃)	41.3	37.9	1	191411	6417
Smithsonite ()*	Calcite	Zn(CO₃)	41.3	37.9	1	191410	2473
Sphalerite ()*	Sphalerite	ZnS	41.3	37.9	2	191410,191411	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	41.3	37.9	1	191410	5317
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	41.3	37.9	2	191408,191410	636

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

All locality data graciously provided by mindat.org

All age data...