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:
Henrico Co., Virginia, USA

mindat Locality ID: 105400
mindat URL: http://www.mindat.org/loc-105400.html

Tectonic Settings:

Total number of sublocalities beneath "Henrico Co., Virginia, USA": 12
Total number of bottom-level sublocalities: 11

Number of Child Localities: 10
Child Localities:
Curles Neck
Dutch Gap Canal
Gayton Coal Mines
Quarry No. 1 (MRDS - 10276512)
Richmond
Richmond Granite Company Quarry No. 1
Richmond Granite Company Quarry No. 2
Roadcut
Sharps Meteorite
Tidewater Quarry

Latitude: 37°37'51"N
Longitude: 77°21'46"W
Decimal Degree (lat, lon): 37.630833333333,-77.362777777778

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.

Alunite	Amorphous	Calcite	Cerite	Clinozoisite	Copper	Corundum	Epidote	Feldspar	Fluorite
Gypsum	Iron	Magnetoplumbite	Melilite	None	Not in a structural group	Olivine	Perovskite	Pyrite	Pyroxene
Quartz	Spinel	Tridymite	Vivianite

Anorthite ()*	Augite ()*	Calcite ()*	Chromite ()*	Copper ()*
Enstatite ()*	Epidote ()*	Fayalite ()*	Fluorite ()*	Forsterite ()*
Gehlenite ()*	Graphite ()*	Gypsum ()*	Hibonite ()*	Ilmenite ()*
Iron ()*	Jarosite ()*	Laumontite ()*	Magnetite ()*	Merrillite ()*
Monticellite ()*	Nepheline ()*	Opal ()*	Perovskite ()*	Pyrite ()*
Quartz ()*	Spinel ()*	Taenite ()*	Troilite ()*	Vivianite ()*

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 Ce Cr Cu F Fe H K Mg Na Ni O P S Si Ti

Elements from minerals reported directly at this locality: Al Ca Fe H O P Si

Structural Groups for minerals in this locality:
Alunite Amorphous Calcite Cerite Clinozoisite Copper Corundum Epidote Feldspar Fluorite
Gypsum Iron Magnetoplumbite Melilite None Not in a structural group Olivine Perovskite Pyrite Pyroxene
Quartz Spinel Tridymite Vivianite

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	281446	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	281446	2060
Calcite ()*	Calcite	Ca(CO₃)	1	281447	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	281446	3902
Copper ()*	Copper	Cu	1	281446	3846
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	281446	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	1	281446	371
Fluorite ()*	Fluorite	CaF₂	1	281440	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	281446	1188
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	1	281446	114
Graphite ()*	None	C	2	281440,281446	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	281438	6890
Hibonite ()*	Magnetoplumbite	CaAl₁₂O₁₉	1	281446	80
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	281446	5433
Iron ()*	Iron	Fe	1	281446	1089
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	1	281438	2228
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	281445	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	281446	14899
Merrillite ()*	Cerite	Ca₉NaMg(PO₄)₇	1	281446	230
Monticellite ()*	Olivine	CaMg(SiO₄)	1	281446	153
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	281446	884
Opal ()*	Amorphous	SiO₂·nH₂O	1	281441	2994
Perovskite ()*	Perovskite	CaTiO₃	1	281446	495
Pyrite ()*	Pyrite	FeS₂	1	281437	39462
Quartz ()*	Quartz	SiO₂	2	281442,281447	61156
Spinel ()*	Spinel	MgAl₂O₄	1	281446	1934
Taenite ()*	None	(Ni,Fe)	1	281446	703
Troilite ()*	None	FeS	1	281446	1044
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	0		636

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...