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:
Vermilion Co., Illinois, USA

mindat Locality ID: 107334
mindat URL: http://www.mindat.org/loc-107334.html

Tectonic Settings:

Total number of sublocalities beneath "Vermilion Co., Illinois, USA": 8
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Danville
Danville Pit
Fairmount Quarry & Mill (Plant No. 16)
Harmattan Mine Shale Exposure
Hoopeston
Western Brick Company Shale Exposure Occurrence (Danville Pit)

Latitude: 40°9'17"N
Longitude: 87°41'51"W
Decimal Degree (lat, lon): 40.154722222222,-87.6975

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.

Calcite	Clay	Corundum	Diaspore	Gypsum	Marcasite	Melilite	Mica	Millerite	None
Phenakite	Pyrite	Quartz	Spinel	Wurtzite

Brianyoungite ()*	Calcite ()*	Gahnite ()*	Goethite ()*	Gypsum ()*
Hardystonite ()*	Hematite ()*	Marcasite ()*	Millerite ()*	Mullite ()*
Muscovite ()*	Pyrite ()*	Quartz ()*	Willemite ()*	Zincite ()*

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 Ni O S Si Zn

Elements from minerals reported directly at this locality: Al Fe H K O S Si

Structural Groups for minerals in this locality:
Calcite Clay Corundum Diaspore Gypsum Marcasite Melilite Mica Millerite None
Phenakite Pyrite Quartz Spinel Wurtzite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Brianyoungite ()*	None	Zn₃(CO₃)(OH)₄	1	213679	79
Calcite ()*	Calcite	Ca(CO₃)	1	213683	27770
Gahnite ()*	Spinel	ZnAl₂O₄	1	213679	445
Goethite ()*	Diaspore	FeO(OH)	1	213679	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	213679	6890
Hardystonite ()*	Melilite	Ca₂ZnSi₂O₇	1	213679	14
Hematite ()*	Corundum	Fe₂O₃	1	213679	14640
Marcasite ()*	Marcasite	FeS₂	0		5674
Millerite ()*	Millerite	NiS	1	213683	1066
Mullite ()*	None	Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)	1	213679	78
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pyrite ()*	Pyrite	FeS₂	1	213683	39462
Quartz ()*	Quartz	SiO₂	2	213679,213683	61156
Willemite ()*	Phenakite	Zn₂SiO₄	1	213679	303
Zincite ()*	Wurtzite	ZnO	1	213679	98

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...