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:
Aleutian Islands District, Aleutians West Census Area, Alaska, USA

mindat Locality ID: 203051
mindat URL: http://www.mindat.org/loc-203051.html

Tectonic Settings:

Total number of sublocalities beneath "Aleutian Islands District, Aleutians West Census Area, Alaska, USA": 17
Total number of bottom-level sublocalities: 14

Number of Child Localities: 12
Child Localities:
Gareloi Island
Makushin River Placer Occurrence
Makushin Volcano Sulfur Prospect
Russian Bay Occurrence
Salt Island
Steeple Mountain Prospect
Steeple Point Occurrence
Two Fox Prospect
Unnamed Occurrence (ARDF - UK003; On Geyser Creek)
Unnamed Occurrence (ARDF - UK004; Near Geyser Creek)
Unnamed Occurrence (ARDF - UK012; West-northwest Of Kettle Cape)
Unnamed Prospect (ARDF - UK001; On Cape Kigunak)

Latitude: 53°8'35"N
Longitude: 169°30'14"W
Decimal Degree (lat, lon): 53.143055555556,-169.50388888889

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.

Atacamite	Chalcopyrite	Copper	Molybdenite	None	Pyrite	Quartz	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: Au Cl Cu Fe H Mo O S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Atacamite Chalcopyrite Copper Molybdenite None Pyrite Quartz Sulphur

9 IMA Minerals at location:

Atacamite ()*	Chalcopyrite ()*	Copper ()*	Gold ()*	Molybdenite ()*
Paratacamite ()*	Pyrite ()*	Quartz ()*	Sulphur ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃	1	128840	544
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	5	128847,128848,128849,128854,128855	27198
Copper ()*	Copper	Cu	1	128845	3846
Gold ()*	Copper	Au	11	128841,128843,128847,128848,128849,128850,128851,128852,128853,128854,128855	30554
Molybdenite ()*	Molybdenite	MoS₂	4	128847,128848,128849,128855	5800
Paratacamite ()*	Atacamite	Cu₃(Cu,Zn)Cl₂(OH)₆	1	128840	158
Pyrite ()*	Pyrite	FeS₂	10	128843,128847,128848,128849,128850,128851,128852,128853,128854,128855	39462
Quartz ()*	Quartz	SiO₂	10	128843,128847,128848,128849,128850,128851,128852,128853,128854,128855	61156
Sulphur ()*	Sulphur	S	2	128842,128852	2045

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...