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:
Des Moines Co., Iowa, USA

mindat Locality ID: 44621
mindat URL: http://www.mindat.org/loc-44621.html

Tectonic Settings:

Total number of sublocalities beneath "Des Moines Co., Iowa, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Burlington
Mediapolis (Mediopolis)
Sperry

Latitude: 40°54'58"N
Longitude: 91°9'12"W
Decimal Degree (lat, lon): 40.916111111111,-91.153333333333

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	Aragonite	Baryte	Calcite	Chalcopyrite	Clay	Corundum	Diaspore	Gypsum	Kaolinite
Malachite	Marcasite	None	Not in a structural group	Pyrite	Quartz	Rutile	Sphalerite

Anhydrite ()*	Ankerite ()*	Aragonite ()*	Baryte ()*	Calcite ()*
Celestine ()*	Chalcocite ()*	Chalcopyrite ()*	Dolomite ()*	Goethite ()*
Gypsum ()*	Hematite ()*	Jarosite ()*	Kaolinite ()*	Malachite ()*
Marcasite ()*	Pyrite ()*	Pyrolusite ()*	Quartz ()*	Siderite ()*
Smithsonite ()*	Sphalerite ()*

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 Ba C Ca Cu Fe H K Mg Mn O S Si Sr Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Aragonite Baryte Calcite Chalcopyrite Clay Corundum Diaspore Gypsum Kaolinite
Malachite Marcasite None Not in a structural group Pyrite Quartz Rutile Sphalerite

22 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	214751	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	214749	3092
Aragonite ()*	Aragonite	Ca(CO₃)	1	214749	3250
Baryte ()*	Baryte	Ba(SO₄)	1	214749	11547
Calcite ()*	Calcite	Ca(CO₃)	1	214749	27770
Celestine ()*	Baryte	Sr(SO₄)	1	214751	1252
Chalcocite ()*	None	Cu₂S	1	214749	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	214749	27198
Dolomite ()*	None	CaMg(CO₃)₂	2	214749,214751	9895
Goethite ()*	Diaspore	FeO(OH)	1	214749	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	214749,214751	6890
Hematite ()*	Corundum	Fe₂O₃	1	214749	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	1	214749	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	214749	5591
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	214749	12537
Marcasite ()*	Marcasite	FeS₂	1	214749	5674
Pyrite ()*	Pyrite	FeS₂	1	214749	39462
Pyrolusite ()*	Rutile	MnO₂	1	214749	3106
Quartz ()*	Quartz	SiO₂	2	214749,214751	61156
Siderite ()*	Calcite	Fe(CO₃)	1	214749	6417
Smithsonite ()*	Calcite	Zn(CO₃)	1	214749	2473
Sphalerite ()*	Sphalerite	ZnS	1	214749	21482

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...