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:
Pebble Copper Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA

Oldest recorded age at locality: 89.5
Youngest recorded age at locality: 86.5

mindat Locality ID: 199343
mindat URL: http://www.mindat.org/loc-199343.html

Tectonic Settings:

Total number of sublocalities beneath "Pebble Copper Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 59°53'49"N
Longitude: 155°17'41"W
Decimal Degree (lat, lon): 59.896944444444,-155.29472222222

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.

Alunite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Covellite	Diaspore	Digenite	Enargite
Epidote	Garnet	Kaolinite	Mica	Molybdenite	None	Not in a structural group	Pyrite	Quartz	Rocksalt
Sphalerite	Spinel	Tetrahedrite	Wurtzite

Andradite ()*	Anhydrite ()*	Bornite ()*	Chalcocite ()*	Chalcopyrite ()*
Covellite ()*	Digenite ()*	Enargite ()*	Epidote ()*	Galena ()*
Goethite ()*	Gold ()*	Jarosite ()*	Kaolinite ()*	Magnetite ()*
Molybdenite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Sphalerite ()*	Tennantite-(Fe) ()*

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 Au C Ca Cu Fe H K Mo O Pb S Si Zn

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

Structural Groups for minerals in this locality:
Alunite Calcite Chalcopyrite Clay Clinozoisite Copper Covellite Diaspore Digenite Enargite
Epidote Garnet Kaolinite Mica Molybdenite None Not in a structural group Pyrite Quartz Rocksalt
Sphalerite Spinel Tetrahedrite Wurtzite

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	89.5	86.5	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)	89.5	86.5	1588
Bornite ()*	None	Cu₅FeS₄	89.5	86.5	5516
Chalcocite ()*	None	Cu₂S	89.5	86.5	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	89.5	86.5	27198
Covellite ()*	Covellite	CuS	89.5	86.5	4165
Digenite ()*	Digenite	Cu_1.8S	89.5	86.5	1027
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	89.5	86.5	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	89.5	86.5	8173
Galena ()*	Rocksalt	PbS	89.5	86.5	24243
Goethite ()*	Diaspore	FeO(OH)	89.5	86.5	7437
Gold ()*	Copper	Au	89.5	86.5	30554
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	89.5	86.5	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	89.5	86.5	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	89.5	86.5	14899
Molybdenite ()*	Molybdenite	MoS₂	89.5	86.5	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	89.5	86.5	17380
Pyrite ()*	Pyrite	FeS₂	89.5	86.5	39462
Quartz ()*	Quartz	SiO₂	89.5	86.5	61156
Siderite ()*	Calcite	Fe(CO₃)	89.5	86.5	6417
Sphalerite ()*	Sphalerite	ZnS	89.5	86.5	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	89.5	86.5	1803

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-00240	89.5	86.5	89.5±0.3 (Re-Os), 88.5±0.3 – 86.5±0.2 (Ar-Ar)									Anhydrite, Bornite, Chalcopyrite, Covellite, Epidote, Galena, Gold, Magnetite, Molybdenite, Pyrite, Siderite, Sphalerite	Cu	199343	Pebble Copper Prospect, Bristol Bay District, Lake And Peninsula Borough, Alaska, USA	Pebble Copper	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...