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:
Threeman Mine (Standard Copper Mine), Copper River District, Valdez-Cordova Census Area, Alaska, USA

Oldest recorded age at locality: 66
Youngest recorded age at locality: 33.9

mindat Locality ID: 187990
mindat URL: http://www.mindat.org/loc-187990.html

Tectonic Settings:

Total number of sublocalities beneath "Threeman Mine (Standard Copper Mine), Copper River District, Valdez-Cordova Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 60°51'12"N
Longitude: 146°32'15"W
Decimal Degree (lat, lon): 60.853333333333,-146.5375

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.

Calcite	Chalcopyrite	Chlorite	Clay	Diaspore	Nickeline	None	Pyrite	Quartz	Sphalerite
Sulphur

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 Ca Cu Fe H Mg O S Si Zn

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

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Chlorite Clay Diaspore Nickeline None Pyrite Quartz Sphalerite
Sulphur

9 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Clinochlore ()*	Goethite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Sphalerite ()*	Sulphur ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	66	33.9	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	66	33.9	27198
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	66	33.9	1756
Goethite ()*	Diaspore	FeO(OH)	66	33.9	7437
Pyrite ()*	Pyrite	FeS₂	66	33.9	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	66	33.9	9056
Quartz ()*	Quartz	SiO₂	66	33.9	61156
Sphalerite ()*	Sphalerite	ZnS	66	33.9	21482
Sulphur ()*	Sulphur	S	66	33.9	2045

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
	vms-01005	66	33.9	Lower Tertiary											187990	Threeman Mine (Standard Copper Mine), Copper River District, Valdez-Cordova Census Area, Alaska, USA	Threeman-Standard Copper	Moiser et al. (2009)		USGSOFR2009-1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...