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:
Unnamed Occurrences (ARDF - CR172), Dora Bay, Cholmondeley Sound, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA

Oldest recorded age at locality: 105
Youngest recorded age at locality: 105

mindat Locality ID: 201976
mindat URL: http://www.mindat.org/loc-201976.html

Tectonic Settings:

Total number of sublocalities beneath "Unnamed Occurrences (ARDF - CR172), Dora Bay, Cholmondeley Sound, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 55°10'5"N
Longitude: 132°14'38"W
Decimal Degree (lat, lon): 55.168055555556,-132.24388888889

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.

Amphibole	Calcite	Clay	Columbite	Eudialyte	Feldspar	Mica	None	Pyrite	Pyroxene
Quartz	Rocksalt	Sphalerite	Zircon

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 Ce Cl Fe H K Mn Na Nb O Pb S Si Ta Th Ti U Y Zn Zr

Elements from minerals reported directly at this locality: Al C Ca Cl Fe H K Mn Na Nb O Pb S Si Ti Y Zn Zr

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Columbite Eudialyte Feldspar Mica None Pyrite Pyroxene
Quartz Rocksalt Sphalerite Zircon

13 IMA Minerals at location:

Aegirine ()*	Albite ()*	Calcite ()*	Eudialyte ()*	Euxenite-(Y) ()*
Galena ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*
Riebeckite ()*	Sphalerite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	105	105	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	105	105	8803
Calcite ()*	Calcite	Ca(CO₃)	105	105	27770
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	105	105	182
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	105	105	414
Galena ()*	Rocksalt	PbS	105	105	24243
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	105	105	17380
Pyrite ()*	Pyrite	FeS₂	105	105	39462
Quartz ()*	Quartz	SiO₂	105	105	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	105	105	1711
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	105	105	375
Sphalerite ()*	Sphalerite	ZnS	105	105	21482
Zircon ()*	Zircon	Zr(SiO₄)	105	105	5251

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
	Mo-00051	105	105								Yes		Molybdenite	Mo	3290	Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA	Prince of Wales Island	G. Gehrels; personal communications

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...