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:
Ignacio Mine (St. Ignacio Mine; Saint Ignacio Mine; Ygnacio Mine), Cerro Gordo Mine, Cerro Gordo, Cerro Gordo District, Inyo Mts (Inyo Range), Inyo Co., California, USA

Oldest recorded age at locality: 145
Youngest recorded age at locality: 2.6

mindat Locality ID: 27435
mindat URL: http://www.mindat.org/loc-27435.html

Tectonic Settings:

Total number of sublocalities beneath "Ignacio Mine (St. Ignacio Mine; Saint Ignacio Mine; Ygnacio Mine), Cerro Gordo Mine, Cerro Gordo, Cerro Gordo District, Inyo Mts (Inyo Range), Inyo Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°31'57"N
Longitude: 117°48'14"W
Decimal Degree (lat, lon): 36.5325,-117.80388888889

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	Aragonite	Calcite	Diaspore	Linarite	None	Not in a structural group	Phenakite	Quartz	Rocksalt

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: Al C Cu Fe H O Pb S Si Zn

Elements from minerals reported directly at this locality: Al C Cu Fe H O Pb S Si Zn

Structural Groups for minerals in this locality:
Allophane Aragonite Calcite Diaspore Linarite None Not in a structural group Phenakite Quartz Rocksalt

10 IMA Minerals at location:

Cerussite ()*	Chrysocolla ()*	Galena ()*	Goethite ()*	Hemimorphite ()*
Hydrozincite ()*	Linarite ()*	Quartz ()*	Smithsonite ()*	Willemite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Cerussite ()*	Aragonite	Pb(CO₃)	145	2.6	4979
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	145	2.6	3531
Galena ()*	Rocksalt	PbS	145	2.6	24243
Goethite ()*	Diaspore	FeO(OH)	145	2.6	7437
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O	145	2.6	1689
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆	145	2.6	1066
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂	145	2.6	987
Quartz ()*	Quartz	SiO₂	145	2.6	61156
Smithsonite ()*	Calcite	Zn(CO₃)	145	2.6	2473
Willemite ()*	Phenakite	Zn₂SiO₄	145	2.6	303

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-00454	145	2.6	Cretaceous/Tertiary?							Yes				3463	Cerro Gordo Mine, Cerro Gordo, Cerro Gordo District, Inyo Mts (Inyo Range), Inyo Co., California, USA	Cerro Gordo	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...