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:
Starke Co., Indiana, USA

mindat Locality ID: 250867
mindat URL: http://www.mindat.org/loc-250867.html

Tectonic Settings:

Total number of sublocalities beneath "Starke Co., Indiana, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Hamlet Meteorite
Starke County Highway Department

Latitude: 41°20'20"N
Longitude: 86°36'35"W
Decimal Degree (lat, lon): 41.338888888889,-86.609722222222

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.

Cerite	Copper	Corundum	Iron	None	Pyroxene	Spinel	Tridymite

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 Ca Cr Cu Fe K Mg Na Ni O P S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Cerite Copper Corundum Iron None Pyroxene Spinel Tridymite

12 IMA Minerals at location:

Chromite ()*	Copper ()*	Diopside ()*	Ilmenite ()*	Iron ()*
Merrillite ()*	Nepheline ()*	Schreibersite ()*	Spinel ()*	Taenite ()*
Tetrataenite ()*	Troilite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	214549	3902
Copper ()*	Copper	Cu	1	214549	3846
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	214549	4135
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	214549	5433
Iron ()*	Iron	Fe	1	214549	1089
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	214549	230
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	214549	884
Schreibersite ()*	None	(Fe,Ni)₃P	1	214549	374
Spinel ()*	Spinel	MgAl₂O₄	1	214549	1934
Taenite ()*	None	(Ni,Fe)	1	214549	703
Tetrataenite ()*	None	FeNi	1	214549	116
Troilite ()*	None	FeS	1	214549	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...