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:
Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA

mindat Locality ID: 8989
mindat URL: http://www.mindat.org/loc-8989.html

Tectonic Settings:

Total number of sublocalities beneath "Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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	Amorphous	Amphibole	Apatite	Apophyllite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite
Copper	Corundum	Epidote	Ettringite	Feldspar	Gadolinite	Gyrolite	Malachite	Marcasite	Molybdenite
Natrolite	None	Not in a structural group	Pectolite	Prehnite	Pyrite	Quartz	Rhodonite	Rocksalt	Rutile
Sphalerite	Titanite	Wurtzite

Albite ()*	Azurite ()*	Babingtonite ()*	Bornite ()*	Calcite ()*
Chalcopyrite ()*	Chlorapatite ()*	Chrysocolla ()*	Clinochlore ()*	Datolite ()*
Dolomite ()*	Epidote ()*	Fluorapophyllite-(K) ()*	Galena ()*	Greenockite ()*
Gyrolite ()*	Hematite ()*	Hydroxyapophyllite-(K) ()*	Laumontite ()*	Malachite ()*
Marcasite ()*	Molybdenite ()*	Natrolite ()*	Opal ()*	Pectolite ()*
Prehnite ()*	Pyrite ()*	Quartz ()*	Riebeckite ()*	Rutile ()*
Silver ()*	Sphalerite ()*	Thaumasite ()*	Titanite ()*	Tremolite ()*

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: Ag Al B C Ca Cd Cl Cu F Fe H K Mg Mo Na O P Pb S Si Ti Zn

Elements from minerals reported directly at this locality: Ag Al B C Ca Cd Cl Cu F Fe H K Mg Mo Na O P Pb S Si Ti Zn

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Apatite Apophyllite Calcite Chalcopyrite Chlorite Clay Clinozoisite
Copper Corundum Epidote Ettringite Feldspar Gadolinite Gyrolite Malachite Marcasite Molybdenite
Natrolite None Not in a structural group Pectolite Prehnite Pyrite Quartz Rhodonite Rocksalt Rutile
Sphalerite Titanite Wurtzite

35 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	161
Bornite ()*	None	Cu₅FeS₄	5516
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Chlorapatite ()*	Apatite	Ca₅(PO₄)₃Cl	203
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1756
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Dolomite ()*	None	CaMg(CO₃)₂	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	303
Galena ()*	Rocksalt	PbS	24243
Greenockite ()*	Wurtzite	CdS	717
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	142
Hematite ()*	Corundum	Fe₂O₃	14640
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	85
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Marcasite ()*	Marcasite	FeS₂	5674
Molybdenite ()*	Molybdenite	MoS₂	5800
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	363
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	375
Rutile ()*	Rutile	TiO₂	5614
Silver ()*	Copper	Ag	5186
Sphalerite ()*	Sphalerite	ZnS	21482
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	183
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2562

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...