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:
Homer District, Kenai Peninsula Borough, Alaska, USA

Oldest recorded age at locality: 135
Youngest recorded age at locality: 135

mindat Locality ID: 203078
mindat URL: http://www.mindat.org/loc-203078.html

Tectonic Settings:

Total number of sublocalities beneath "Homer District, Kenai Peninsula Borough, Alaska, USA": 29
Total number of bottom-level sublocalities: 29

Number of Child Localities: 29
Child Localities:
Alaska Hills Corp.; Paystreak & Fairweathers Mine
Alley Occurrence
Anchor Point Mine
Aurora Prospects
Charles Frank Mine
Frank Long Prospect
Glass & Heifner; Little Creek; Earl Mount Prospect
Goyne; Surprise; Bear Mine
Hatcher; Utopia; North Gold Prospects
Indian Creek Mine
Johnston & Degan; Grubstake & Lost Boys Prospect
Kenai Chrome (Star No. 4; Chrome Queen Mine)
Kusturin And Johnson Occurrence
Mills & Trimble Prospect
Morris; Sheridan; Kupper And Lee Occurrence
Nuka Bays Mining Company; Nookas; Harrington Mine
Nukalaska; Honolulu Group Mine
Rock Prospect
Rossness & Larson Mine
Snow Occurrence
Sonny Fox; Babcock & Downey; Lady Luck Mine
Unnamed Mine (ARDF - SV014; On Red Mountain)
Unnamed Occurrence (ARDF - BS004; On Granite Island)
Unnamed Occurrence (ARDF - BS006; On Holgate Arm)
Unnamed Occurrence (ARDF - BS010; Near The Mouth Of Northwestern Lagoon)
Unnamed Occurrence (ARDF - SV029; Near The Seldovia Airport)
Unnamed Occurrences (ARDF - SV027; Near Shelter Cove)
Unnamed Prospect (ARDF - SV021; In Port Dick)
Windy River Prospect

Latitude: 59°32'5"N
Longitude: 150°51'11"W
Decimal Degree (lat, lon): 59.534722222222,-150.85305555556

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	Copper	Covellite	Melonite	Mica	Nickeline	None
Pyrite	Quartz	Rocksalt	Sphalerite	Spinel	Tetrahedrite

Arsenopyrite ()*	Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chromite ()*
Copper ()*	Covellite ()*	Galena ()*	Gold ()*	Graphite ()*
Muscovite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Silver ()*
Sphalerite ()*	Sylvanite ()*	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 As Au C Ca Cr Cu Fe H K O Pb S Sb Si Te Zn

Elements from minerals reported directly at this locality:

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

18 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
Arsenopyrite ()*	Arsenopyrite	FeAsS			15	130476,130480,130481,130482,130483,130484,130486,130489,130491,130492,130493,130494,130496,130502,130503	9052
Calcite ()*	Calcite	Ca(CO₃)			2	130489,130496	27770
Chalcocite ()*	None	Cu₂S			1	130492	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			6	130484,130488,130489,130490,130493,130496	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	135	135	4	130487,130495,130497,130504	3902
Copper ()*	Copper	Cu			1	130496	3846
Covellite ()*	Covellite	CuS			1	130492	4165
Galena ()*	Rocksalt	PbS			6	130482,130483,130484,130486,130492,130496	24243
Gold ()*	Copper	Au			18	130476,130477,130478,130480,130481,130482,130483,130484,130485,130486,130488,130489,130491,130492,130494,130496,130502,130503	30554
Graphite ()*	None	C			1	130501	2812
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	130500	17380
Pyrite ()*	Pyrite	FeS₂			15	130476,130479,130480,130483,130484,130486,130488,130489,130491,130493,130494,130496,130500,130502,130503	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	130493	9056
Quartz ()*	Quartz	SiO₂			21	130476,130477,130479,130480,130481,130482,130483,130484,130486,130488,130489,130490,130491,130492,130493,130494,130496,130498,130500,130502,130503	61156
Silver ()*	Copper	Ag			1	130496	5186
Sphalerite ()*	Sphalerite	ZnS			5	130482,130484,130493,130496,130503	21482
Sylvanite ()*	Melonite	AgAuTe₄			2	130483,130492	337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	130492	5317

2 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
	podchrome-00896	135	135	Late Jurassic-Cretaceous										Cr	198336	Kenai Chrome (Star No. 4; Chrome Queen Mine), Homer District, Kenai Peninsula Borough, Alaska, USA	Star No. 4	Moiser et al. (2012)		USGSSIR2012_5157
	podchrome-00899	135	135	Late Jurassic-Cretaceous										Cr	198336	Kenai Chrome (Star No. 4; Chrome Queen Mine), Homer District, Kenai Peninsula Borough, Alaska, USA	Chrome Queen	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...