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:
Orange Hill Prospect, Chisana District, Valdez-Cordova Census Area, Alaska, USA

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

mindat Locality ID: 199265
mindat URL: http://www.mindat.org/loc-199265.html

Tectonic Settings:

Total number of sublocalities beneath "Orange Hill Prospect, Chisana District, Valdez-Cordova Census Area, Alaska, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 62°12'14"N
Longitude: 142°50'41"W
Decimal Degree (lat, lon): 62.203888888889,-142.84472222222

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.

Calcite	Chalcopyrite	Clay	Clinozoisite	Epidote	Gypsum	Kaolinite	Mica	Molybdenite	None
Not in a structural group	Pyrite	Quartz	Spinel

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 Cu Fe H K Mo O S Si

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

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Clinozoisite Epidote Gypsum Kaolinite Mica Molybdenite None
Not in a structural group Pyrite Quartz Spinel

12 IMA Minerals at location:

Anhydrite ()*	Bornite ()*	Calcite ()*	Chalcopyrite ()*	Epidote ()*
Gypsum ()*	Kaolinite ()*	Magnetite ()*	Molybdenite ()*	Muscovite ()*
Pyrite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	105	105	1588
Bornite ()*	None	Cu₅FeS₄	105	105	5516
Calcite ()*	Calcite	Ca(CO₃)	105	105	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	105	105	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	105	105	8173
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	105	105	6890
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	105	105	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	105	105	14899
Molybdenite ()*	Molybdenite	MoS₂	105	105	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	105	105	17380
Pyrite ()*	Pyrite	FeS₂	105	105	39462
Quartz ()*	Quartz	SiO₂	105	105	61156

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-00239	105	105	105									Anhydrite, Bornite, Chalcopyrite, Epidote, Kaolinite, Magnetite, Molybdenite, Pyrite	Cu	199265	Orange Hill Prospect, Chisana District, Valdez-Cordova Census Area, Alaska, USA	Orange Hill	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...