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:
Steelville, Crawford Co., Missouri, USA

Oldest recorded age at locality: 497
Youngest recorded age at locality: 485

mindat Locality ID: 258343
mindat URL: http://www.mindat.org/loc-258343.html

Tectonic Settings:

Total number of sublocalities beneath "Steelville, Crawford Co., Missouri, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Cherry Valley Mines (Cherry Valley No.1 And 2)
Midland Mine

Latitude: 37°58'3"N
Longitude: 91°17'54"W
Decimal Degree (lat, lon): 37.9675,-91.298333333333

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.

Allophane	Calcite	Chalcanthite	Chalcopyrite	Copiapite	Corundum	Diaspore	Dufrénite	Kieserite	Malachite
Marcasite	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Sphalerite

Allophane ()*	Azurite ()*	Cacoxenite ()*	Calcite ()*	Chalcanthite ()*
Chalcopyrite ()*	Copiapite ()*	Dolomite ()*	Dufrénite ()*	Galena ()*
Goethite ()*	Hematite ()*	Malachite ()*	Marcasite ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*	Szomolnokite ()*

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 Cu Fe H Mg O P Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Calcite Chalcanthite Chalcopyrite Copiapite Corundum Diaspore Dufrénite Kieserite Malachite
Marcasite None Not in a structural group Pyrite Quartz Rocksalt Sphalerite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	497	485	1	225099	470
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	497	485	1	225099	5509
Cacoxenite ()*	None	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O	497	485	1	225099	280
Calcite ()*	Calcite	Ca(CO₃)	497	485	1	225099	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	497	485	1	225099	925
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	497	485	1	225099	27198
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	497	485	1	225099	382
Dolomite ()*	None	CaMg(CO₃)₂	497	485	1	225099	9895
Dufrénite ()*	Dufrénite	Ca_0.5Fe²⁺Fe³⁺₅(PO₄)₄(OH)₆·2H₂O	497	485	1	225099	139
Galena ()*	Rocksalt	PbS	497	485	1	225099	24243
Goethite ()*	Diaspore	FeO(OH)	497	485	1	225099	7437
Hematite ()*	Corundum	Fe₂O₃	497	485	1	225099	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	497	485	1	225099	12537
Marcasite ()*	Marcasite	FeS₂	497	485	1	225099	5674
Pyrite ()*	Pyrite	FeS₂	497	485	1	225099	39462
Quartz ()*	Quartz	SiO₂	497	485	1	225099	61156
Sphalerite ()*	Sphalerite	ZnS	497	485	1	225099	21482
Szomolnokite ()*	Kieserite	Fe(SO₄)·H₂O	497	485	1	225099	139

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedexmvt-00239	497	485	Late Cambrian		host rock age					Yes				3861	Viburnum No. 27 Mine, Crawford Co., Missouri, USA	Viburnum #27	Taylor et al. (2009)		USGSOFR2009_1297

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...