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:
Dubuque Co., Iowa, USA

mindat Locality ID: 44620
mindat URL: http://www.mindat.org/loc-44620.html

Tectonic Settings:

Total number of sublocalities beneath "Dubuque Co., Iowa, USA": 38
Total number of bottom-level sublocalities: 31

Number of Child Localities: 22
Child Localities:
Composite Section
County Fairgrounds
Creek Bank
Crystal Lake Cave (Marcus Cave; Rice's Cave; Linden's Cave)
Dubuque
Dubuque Area
Durango
Dyersville Diggings
Excavation Site
Fitzpatrick Mine
Graf
Level Mine
Occurrence (MRDS 10082060)
Roadcut (MRDS 10082056)
Roadcut (MRDS 10082059)
Roadcut (MRDS 10100308)
Stewarts Cave Mine
Stream Bank
Table Mound Township
Twin Springs
Unnamed Prospect
Zwingle

Latitude: 42°28'33"N
Longitude: 90°46'6"W
Decimal Degree (lat, lon): 42.475833333333,-90.768333333333

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	Baryte	Calcite	Chalcopyrite	Corundum	Diamond	Diaspore	Gypsum	Malachite	Marcasite
Millerite	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Sphalerite

Anglesite ()*	Ankerite ()*	Aragonite ()*	Azurite ()*	Baryte ()*
Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Diamond ()*	Dolomite ()*
Galena ()*	Goethite ()*	Gypsum ()*	Hematite ()*	Malachite ()*
Marcasite ()*	Millerite ()*	Pyrite ()*	Quartz ()*	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: Ba C Ca Cu Fe H Mg Ni O Pb S Si Zn

Elements from minerals reported directly at this locality: C

Structural Groups for minerals in this locality:
Aragonite Baryte Calcite Chalcopyrite Corundum Diamond Diaspore Gypsum Malachite Marcasite
Millerite None Not in a structural group Pyrite Quartz Rocksalt Sphalerite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	1	214766	2734
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	214766	3092
Aragonite ()*	Aragonite	Ca(CO₃)	2	214758,214766	3250
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	214766	5509
Baryte ()*	Baryte	Ba(SO₄)	1	214766	11547
Calcite ()*	Calcite	Ca(CO₃)	12	214761,214762,214763,214764,214766,214772,214773,214776,214778,214783,214787,214789	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	214766	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	214766	27198
Diamond ()*	Diamond	C	0		697
Dolomite ()*	None	CaMg(CO₃)₂	18	214755,214757,214760,214761,214762,214763,214764,214766,214772,214773,214774,214776,214778,214782,214783,214787,214790,214792	9895
Galena ()*	Rocksalt	PbS	15	214760,214761,214762,214763,214764,214766,214772,214773,214774,214776,214778,214783,214787,214790,214792	24243
Goethite ()*	Diaspore	FeO(OH)	2	214756,214766	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	214766	6890
Hematite ()*	Corundum	Fe₂O₃	1	214756	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	214766	12537
Marcasite ()*	Marcasite	FeS₂	1	214766	5674
Millerite ()*	Millerite	NiS	1	214766	1066
Pyrite ()*	Pyrite	FeS₂	12	214756,214761,214762,214763,214764,214766,214772,214773,214776,214778,214783,214787	39462
Quartz ()*	Quartz	SiO₂	10	214761,214762,214763,214764,214765,214772,214773,214776,214778,214787	61156
Smithsonite ()*	Calcite	Zn(CO₃)	2	214766,214773	2473
Sphalerite ()*	Sphalerite	ZnS	11	214760,214761,214763,214766,214772,214773,214776,214777,214787,214789,214792	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...