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:
Equity Mine, Creede District, Mineral Co., Colorado, USA

Oldest recorded age at locality: 26.9
Youngest recorded age at locality: 24.3

mindat Locality ID: 116089
mindat URL: http://www.mindat.org/loc-116089.html

Tectonic Settings:

Total number of sublocalities beneath "Equity Mine, Creede District, Mineral Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°56'12"N
Longitude: 106°57'33"W
Decimal Degree (lat, lon): 37.936666666667,-106.95916666667

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	Calcite	Copper	Corundum	Malachite	None	Polybasite	Pyrite	Quartz	Rocksalt
Sphalerite	Spinel	Tetrahedrite	Uytenbogaardtite

Baryte ()*	Calcite ()*	Galena ()*	Gold ()*	Hematite ()*
Magnetite ()*	Malachite ()*	Polybasite ()*	Proustite ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*	Uytenbogaardtite ()*

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 C Ca Cu Fe H O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Ag As Au Ba C Ca Cu Fe H O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Baryte Calcite Copper Corundum Malachite None Polybasite Pyrite Quartz Rocksalt
Sphalerite Spinel Tetrahedrite Uytenbogaardtite

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	26.9	26.1	11547
Calcite ()*	Calcite	Ca(CO₃)	26.9	26.1	27770
Galena ()*	Rocksalt	PbS	26.9	26.1	24243
Gold ()*	Copper	Au	26.9	26.1	30554
Hematite ()*	Corundum	Fe₂O₃	26.9	26.1	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	26.9	26.1	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	26.9	26.1	12537
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	26.9	26.1	716
Proustite ()*	None	Ag₃AsS₃	26.9	26.1	733
Pyrite ()*	Pyrite	FeS₂	26.9	26.1	39462
Quartz ()*	Quartz	SiO₂	26.9	26.1	61156
Sphalerite ()*	Sphalerite	ZnS	26.9	26.1	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	26.9	26.1	5317
Uytenbogaardtite ()*	Uytenbogaardtite	Ag₃AuS₂	26.9	26.1	46

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Prioritized?	Sample Source	Sample Num	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
EG71_1006	24.9	24.3	24.6±0.3	K-Ar	high	sericite		Yes	25833	Creede District, Mineral Co., Colorado, USA	Creede, Colorado	Bethke et al. (1976)	10.2113/gsecongeo.71.6.1006	EG71_1006	P. 1008
NAVDAT-45749	26.9	26.1	26.5±0.4				45749		116089	Equity Mine, Creede District, Mineral Co., Colorado, USA		NAVDAT		NAVDAT
NAVDAT-45750	26.9	26.1	26.5±0.4				45750		116089	Equity Mine, Creede District, Mineral Co., Colorado, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...