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:
Amethyst Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA

Oldest recorded age at locality: 24.9
Youngest recorded age at locality: 24.3

mindat Locality ID: 8439
mindat URL: http://www.mindat.org/loc-8439.html

Tectonic Settings:

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

Latitude: 37°53'6"N
Longitude: 106°56'5"W
Decimal Degree (lat, lon): 37.885,-106.93472222222

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.

Alunite	Aragonite	Baryte	Chalcopyrite	Chlorite	Clay	Copper	Epsomite	Fluorite	None
Pyrite	Quartz	Rocksalt	Sphalerite	Tetrahedrite	Wurtzite

Anglesite ()*	Baryte ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*
Chamosite ()*	Chlorargyrite ()*	Fluorite ()*	Galena ()*	Gold ()*
Goslarite ()*	Greenockite ()*	Jarosite ()*	Plumbojarosite ()*	Pyrite ()*
Quartz ()*	Silver ()*	Sphalerite ()*	Tennantite-(Fe) ()*	Tetrahedrite-(Zn) ()*

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 As Au Ba C Ca Cd Cl Cu F Fe H K Mg O Pb S Sb Si Zn

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

Structural Groups for minerals in this locality:
Alunite Aragonite Baryte Chalcopyrite Chlorite Clay Copper Epsomite Fluorite None
Pyrite Quartz Rocksalt Sphalerite Tetrahedrite Wurtzite

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	24.9	24.3	2734
Baryte ()*	Baryte	Ba(SO₄)	24.9	24.3	11547
Cerussite ()*	Aragonite	Pb(CO₃)	24.9	24.3	4979
Chalcocite ()*	None	Cu₂S	24.9	24.3	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	24.9	24.3	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	24.9	24.3	577
Chlorargyrite ()*	Rocksalt	AgCl	24.9	24.3	1382
Fluorite ()*	Fluorite	CaF₂	24.9	24.3	9617
Galena ()*	Rocksalt	PbS	24.9	24.3	24243
Gold ()*	Copper	Au	24.9	24.3	30554
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	24.9	24.3	188
Greenockite ()*	Wurtzite	CdS	24.9	24.3	717
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	24.9	24.3	2228
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆	24.9	24.3	477
Pyrite ()*	Pyrite	FeS₂	24.9	24.3	39462
Quartz ()*	Quartz	SiO₂	24.9	24.3	61156
Silver ()*	Copper	Ag	24.9	24.3	5186
Sphalerite ()*	Sphalerite	ZnS	24.9	24.3	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	24.9	24.3	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	24.9	24.3	5317

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
	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

All locality data graciously provided by mindat.org

All age data...