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:
Clayton Co., Iowa, USA

mindat Locality ID: 44624
mindat URL: http://www.mindat.org/loc-44624.html

Tectonic Settings:

Total number of sublocalities beneath "Clayton Co., Iowa, USA": 24
Total number of bottom-level sublocalities: 20

Number of Child Localities: 20
Child Localities:
Elkader Mine
Guttenberg
Holmes Mine
Indian Lead Mines
Kann Mine
Millville
North Buena Vista
Occurrence (MRDS 10082018)
Outcrop
Quarry
Quarry (MRDS 10082050)
Quarry (MRDS 10082054)
Roadcut (MRDS 10082049)
Roadcut (MRDS 10082051)
Roadcut (MRDS 10082052)
Roadcut (MRDS 10082053)
Sny Magill Mines
Spellman Farm
Volga
Volga Occurrence

Latitude: 42°47'36"N
Longitude: 91°15'36"W
Decimal Degree (lat, lon): 42.793333333333,-91.26

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.

Aragonite	Calcite	Copper	Fluorite	Marcasite	None	Pyrite	Quartz	Rocksalt	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: Au C Ca F Fe Mg O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Copper Fluorite Marcasite None Pyrite Quartz Rocksalt Sphalerite

11 IMA Minerals at location:

Calcite ()*	Cerussite ()*	Dolomite ()*	Fluorite ()*	Galena ()*
Gold ()*	Marcasite ()*	Pyrite ()*	Quartz ()*	Smithsonite ()*
Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	4	214704,214705,214708,214722	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	214709	4979
Dolomite ()*	None	CaMg(CO₃)₂	11	214701,214704,214705,214706,214707,214710,214712,214719,214720,214722,214724	9895
Fluorite ()*	Fluorite	CaF₂	2	214722,214724	9617
Galena ()*	Rocksalt	PbS	9	214704,214705,214706,214707,214709,214710,214712,214719,214720	24243
Gold ()*	Copper	Au	1	214723	30554
Marcasite ()*	Marcasite	FeS₂	1	214722	5674
Pyrite ()*	Pyrite	FeS₂	3	214704,214705,214722	39462
Quartz ()*	Quartz	SiO₂	2	214704,214705	61156
Smithsonite ()*	Calcite	Zn(CO₃)	2	214701,214709	2473
Sphalerite ()*	Sphalerite	ZnS	2	214722,214724	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...