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:
Silver Cord Mine, Iron Hill, Alicante, Leadville District, Lake Co., Colorado, USA

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

mindat Locality ID: 46918
mindat URL: http://www.mindat.org/loc-46918.html

Tectonic Settings:

Total number of sublocalities beneath "Silver Cord Mine, Iron Hill, Alicante, Leadville District, Lake Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Apatite	Aragonite	Baryte	Corundum	Minium	None	Not in a structural group	Pyrite	Rocksalt	Rutile
Sphalerite

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 C Cl Fe H Mn O P Pb S Si Zn

Elements from minerals reported directly at this locality: Ag C Cl Fe H Mn O P Pb S Si Zn

Structural Groups for minerals in this locality:
Apatite Aragonite Baryte Corundum Minium None Not in a structural group Pyrite Rocksalt Rutile
Sphalerite

11 IMA Minerals at location:

Anglesite ()*	Cerussite ()*	Chlorargyrite ()*	Galena ()*	Hematite ()*
Hemimorphite ()*	Minium ()*	Pyrite ()*	Pyrolusite ()*	Pyromorphite ()*
Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	41.3	37.9	2734
Cerussite ()*	Aragonite	Pb(CO₃)	41.3	37.9	4979
Chlorargyrite ()*	Rocksalt	AgCl	41.3	37.9	1382
Galena ()*	Rocksalt	PbS	41.3	37.9	24243
Hematite ()*	Corundum	Fe₂O₃	41.3	37.9	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	41.3	37.9	1689
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄	41.3	37.9	247
Pyrite ()*	Pyrite	FeS₂	41.3	37.9	39462
Pyrolusite ()*	Rutile	MnO₂	41.3	37.9	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	41.3	37.9	1725
Sphalerite ()*	Sphalerite	ZnS	41.3	37.9	21482

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...