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:
Sioux Co., Nebraska, USA

mindat Locality ID: 29961
mindat URL: http://www.mindat.org/loc-29961.html

Tectonic Settings:

Total number of sublocalities beneath "Sioux Co., Nebraska, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Agate
Agate Fossil Beds National Monument
Harrison
Orella
Sioux County Meteorite

Latitude: 42°36'0"N
Longitude: 103°43'46"W
Decimal Degree (lat, lon): 42.6,-103.72944444444

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.

Amorphous	Baryte	Calcite	Cerite	Corundum	Diaspore	Gypsum	Iron	Marcasite	None
Pyroxene	Quartz	Spinel	Tridymite

Augite ()*	Calcite ()*	Celestine ()*	Chromite ()*	Goethite ()*
Gypsum ()*	Ilmenite ()*	Iron ()*	Marcasite ()*	Merrillite ()*
Opal ()*	Pigeonite ()*	Quartz ()*	Tridymite ()*	Troilite ()*

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: C Ca Cr Fe H Mg Na O P S Si Sr Ti

Elements from minerals reported directly at this locality: Fe H O S Si Sr

Structural Groups for minerals in this locality:
Amorphous Baryte Calcite Cerite Corundum Diaspore Gypsum Iron Marcasite None
Pyroxene Quartz Spinel Tridymite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	234564	2060
Calcite ()*	Calcite	Ca(CO₃)	1	234563	27770
Celestine ()*	Baryte	Sr(SO₄)	0		1252
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	234564	3902
Goethite ()*	Diaspore	FeO(OH)	1	234563	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	234563	6890
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	234564	5433
Iron ()*	Iron	Fe	1	234564	1089
Marcasite ()*	Marcasite	FeS₂	0		5674
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	234564	230
Opal ()*	Amorphous	SiO₂·nH₂O	0		2994
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	234564	303
Quartz ()*	Quartz	SiO₂	4	234559,234561,234562,234563	61156
Tridymite ()*	Tridymite	SiO₂	1	234564	458
Troilite ()*	None	FeS	1	234564	1044

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...