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:
Ridgeway, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA

mindat Locality ID: 249999
mindat URL: http://www.mindat.org/loc-249999.html

Tectonic Settings:

Total number of sublocalities beneath "Ridgeway, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Brigham Mine
Demby-Weist Mine
Porters Grove Mine
Unnamed Prospect [01]
W. Thomas Quarry

Latitude: 42°59'59"N
Longitude: 90°'4"W
Decimal Degree (lat, lon): 42.999722222222,-90.001111111111

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	Clay	Diaspore	Marcasite	Mica	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: Al C Ca Fe H K Mg O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Aragonite Calcite Clay Diaspore Marcasite Mica None Pyrite Quartz Rocksalt
Sphalerite

11 IMA Minerals at location:

Calcite ()*	Cerussite ()*	Dolomite ()*	Galena ()*	Goethite ()*
Marcasite ()*	Muscovite ()*	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)	3	288130,288131,288132	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	288130	4979
Dolomite ()*	None	CaMg(CO₃)₂	3	288130,288131,288132	9895
Galena ()*	Rocksalt	PbS	3	288130,288131,288132	24243
Goethite ()*	Diaspore	FeO(OH)	1	288131	7437
Marcasite ()*	Marcasite	FeS₂	1	288131	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	288131	17380
Pyrite ()*	Pyrite	FeS₂	2	288131,288132	39462
Quartz ()*	Quartz	SiO₂	2	288131,288132	61156
Smithsonite ()*	Calcite	Zn(CO₃)	2	288131,288132	2473
Sphalerite ()*	Sphalerite	ZnS	2	288131,288132	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...