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:
Aurora Uranium Prospect, Opalite District (McDermitt District), Malheur Co., Oregon, USA

mindat Locality ID: 147371
mindat URL: http://www.mindat.org/loc-147371.html

Tectonic Settings:

Total number of sublocalities beneath "Aurora Uranium Prospect, Opalite District (McDermitt District), Malheur Co., Oregon, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°1'50"N
Longitude: 117°53'57"W
Decimal Degree (lat, lon): 42.030555555556,-117.89916666667

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	Amorphous	Arsenopyrite	Calcite	Clay	Cristobalite	Fluorite	Gypsum	Marcasite	None
Pyrite	Rutile	Smectite-vermiculite	Zircon

Arsenopyrite ()*	Calcite ()*	Coffinite ()*	Cristobalite ()*	Fluorite ()*
Gypsum ()*	Jarosite ()*	Marcasite ()*	Montmorillonite ()*	Opal ()*
Pyrite ()*	Rutile ()*	Siderite ()*	Uraninite ()*

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 F Fe H K Mg Na O S Si Ti U

Elements from minerals reported directly at this locality: Al As C Ca F Fe H K Mg Na O S Si Ti U

Structural Groups for minerals in this locality:
Alunite Amorphous Arsenopyrite Calcite Clay Cristobalite Fluorite Gypsum Marcasite None
Pyrite Rutile Smectite-vermiculite Zircon

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	9052
Calcite ()*	Calcite	Ca(CO₃)	27770
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	566
Cristobalite ()*	Cristobalite	SiO₂	453
Fluorite ()*	Fluorite	CaF₂	9617
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	2228
Marcasite ()*	Marcasite	FeS₂	5674
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pyrite ()*	Pyrite	FeS₂	39462
Rutile ()*	Rutile	TiO₂	5614
Siderite ()*	Calcite	Fe(CO₃)	6417
Uraninite ()*	Fluorite	UO₂	2718

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...