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:
Commodore 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: 3609
mindat URL: http://www.mindat.org/loc-3609.html

Tectonic Settings:

Total number of sublocalities beneath "Commodore Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Commodore No. 5 Mine
OH Vein
P Vein

Latitude: 37°52'13"N
Longitude: 106°55'46"W
Decimal Degree (lat, lon): 37.870277777778,-106.92944444444

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.

Acanthite	Apatite	Baryte	Brochantite	Calcite	Chalcopyrite	Clay	Copper	Corundum	Covellite
Devilline	Epsomite	Ktenasite	Marcasite	Melanterite	Mica	None	Pyrite	Quartz	Rocksalt
Rutile	Sphalerite	Stibnite	Tetrahedrite

Acanthite ()*	Alabandite ()*	Anglesite ()*	Baryte ()*	Bornite ()*
Brochantite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Covellite ()*	Galena ()*	Goslarite ()*	Hematite ()*	Ktenasite ()*
Langite ()*	Marcasite ()*	Melanterite ()*	Muscovite ()*	Pyrite ()*
Pyrolusite ()*	Pyromorphite ()*	Quartz ()*	Rhodochrosite ()*	Serpierite ()*
Silver ()*	Sphalerite ()*	Stibnite ()*	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 Ba C Ca Cl Cu Fe H K Mn O P Pb S Sb Si Zn

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

Structural Groups for minerals in this locality:
Acanthite Apatite Baryte Brochantite Calcite Chalcopyrite Clay Copper Corundum Covellite
Devilline Epsomite Ktenasite Marcasite Melanterite Mica None Pyrite Quartz Rocksalt
Rutile Sphalerite Stibnite Tetrahedrite

29 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
Acanthite ()*	Acanthite	Ag₂S	24.9	24.3	1	192611	2793
Alabandite ()*	Rocksalt	MnS	24.9	24.3	0		312
Anglesite ()*	Baryte	Pb(SO₄)	24.9	24.3	0		2734
Baryte ()*	Baryte	Ba(SO₄)	24.9	24.3	1	192611	11547
Bornite ()*	None	Cu₅FeS₄	24.9	24.3	0		5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	24.9	24.3	0		1633
Calcite ()*	Calcite	Ca(CO₃)	24.9	24.3	0		27770
Chalcocite ()*	None	Cu₂S	24.9	24.3	0		5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	24.9	24.3	0		27198
Chlorargyrite ()*	Rocksalt	AgCl	24.9	24.3	0		1382
Covellite ()*	Covellite	CuS	24.9	24.3	0		4165
Galena ()*	Rocksalt	PbS	24.9	24.3	2	192610,192611	24243
Goslarite ()*	Epsomite	Zn(SO₄)·7H₂O	24.9	24.3	0		188
Hematite ()*	Corundum	Fe₂O₃	24.9	24.3	1	192611	14640
Ktenasite ()*	Ktenasite Devilline	ZnCu₄(SO₄)₂(OH)₆·6H₂O	24.9	24.3	0		75
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	24.9	24.3	0		593
Marcasite ()*	Marcasite	FeS₂	24.9	24.3	2	192610,192611	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	24.9	24.3	1	192611	915
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	24.9	24.3	1	192611	17380
Pyrite ()*	Pyrite	FeS₂	24.9	24.3	2	192610,192611	39462
Pyrolusite ()*	Rutile	MnO₂	24.9	24.3	1	192610	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	24.9	24.3	0		1725
Quartz ()*	Quartz	SiO₂	24.9	24.3	1	192611	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	24.9	24.3	0		1711
Serpierite ()*	Devilline	Ca(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O	24.9	24.3	0		292
Silver ()*	Copper	Ag	24.9	24.3	0		5186
Sphalerite ()*	Sphalerite	ZnS	24.9	24.3	2	192610,192611	21482
Stibnite ()*	Stibnite	Sb₂S₃	24.9	24.3	1	192611	3418
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	24.9	24.3	3	192610,192611,192612	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

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...