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:
Kijik River; Thompson Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA

Oldest recorded age at locality: 63
Youngest recorded age at locality: 56

mindat Locality ID: 198360
mindat URL: http://www.mindat.org/loc-198360.html

Tectonic Settings:

Total number of sublocalities beneath "Kijik River; Thompson Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 60°21'36"N
Longitude: 154°19'12"W
Decimal Degree (lat, lon): 60.36,-154.32

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.

Arsenopyrite	Calcite	Chalcopyrite	Clay	Mica	Molybdenite	Nickeline	None	Pyrite	Quartz
Rocksalt	Sphalerite	Tetrahedrite

Arsenopyrite ()*	Calcite ()*	Chalcopyrite ()*	Galena ()*	Molybdenite ()*
Muscovite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*
Sphalerite ()*	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: Al As C Ca Cu Fe H K Mn Mo O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Al As C Ca Cu Fe H K Mn Mo O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clay Mica Molybdenite Nickeline None Pyrite Quartz
Rocksalt Sphalerite Tetrahedrite

12 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	63	56	9052
Calcite ()*	Calcite	Ca(CO₃)	63	56	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	63	56	27198
Galena ()*	Rocksalt	PbS	63	56	24243
Molybdenite ()*	Molybdenite	MoS₂	63	56	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	63	56	17380
Pyrite ()*	Pyrite	FeS₂	63	56	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	63	56	9056
Quartz ()*	Quartz	SiO₂	63	56	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	63	56	1711
Sphalerite ()*	Sphalerite	ZnS	63	56	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	63	56	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
	PorphCu-00236	63	56	63–56									Arsenopyrite, Chalcopyrite, Galena, Pyrite, Pyrrhotite	Cu	198360	Kijik River; Thompson Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA	Kijik River	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...