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:
Unnamed Drill Core, Sioux Co., Iowa, USA

mindat Locality ID: 31433
mindat URL: http://www.mindat.org/loc-31433.html

Tectonic Settings:

Total number of sublocalities beneath "Unnamed Drill Core, Sioux Co., Iowa, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Brucite	Calcite	Clay	Hydrotalcite	None	Pyrite	Serpentine

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 Cl Fe H Mg O S Si

Elements from minerals reported directly at this locality: C Ca Cl Fe H Mg O S Si

Structural Groups for minerals in this locality:
Brucite Calcite Clay Hydrotalcite None Pyrite Serpentine

8 IMA Minerals at location:

Brucite ()*	Calcite ()*	Chrysotile ()*	Dolomite ()*	Iowaite ()*
Magnesite ()*	Pyrite ()*	Pyroaurite ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Brucite ()*	Brucite	Mg(OH)₂	462
Calcite ()*	Calcite	Ca(CO₃)	27770
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	951
Dolomite ()*	None	CaMg(CO₃)₂	9895
Iowaite ()*	Hydrotalcite	Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O	14
Magnesite ()*	Calcite	Mg(CO₃)	1487
Pyrite ()*	Pyrite	FeS₂	39462
Pyroaurite ()*	Hydrotalcite	Mg₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O	89

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...