Description: Collected by Casper Voogt. Visually distinguishing between stilbite and stellerite is not possible, so one of the Northern Virginia Mineral Club members had a sample analyzed by x-ray diffraction, I believe at the James Madison University's Geology Department lab by Dr. Kearns.

References:

members of the Northern Virginia Mineral Club have had samples analyzed in a lab, I believe at James Mason University by Dr. Kearns.

ⓘ Stilbite-Ca

Formula: NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

various added photos

Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.

ⓘ Thaumasite

Formula: Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.

ⓘ Titanite

Formula: CaTiO(SiO₄)

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.

ⓘ Topaz

Formula: Al₂(SiO₄)(F,OH)₂

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.

ⓘ 'Tourmaline'

Formula: AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z

Localities:

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA

References:

Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey.

Gallery:

AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂ⓘ 'Amphibole Supergroup var. Byssolite'

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Byssolite, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Byssolite, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Byssolite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Ca₅(PO₄)₃Aⓘ 'Apatite'

Apatite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apatite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apatite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

AB₄[Si₈O₂₀]X · 8H₂Oⓘ 'Apophyllite Group'

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Apophyllite Group

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Apophyllite Group

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Apophyllite Group, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)ⓘ Babingtonite

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Babingtonite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)ⓘ Epidote

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Epidote, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Fe₂O₃ⓘ Hematite

Hematite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Hematite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Hematite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂Oⓘ 'Heulandite Subgroup'

Heulandite Subgroup, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Heulandite Subgroup, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Heulandite Subgroup, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

CaAl₂Si₄O₁₂ · 4H₂Oⓘ Laumontite

Laumontite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Laumontite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Laumontite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

ZnSⓘ Sphalerite

Sphalerite, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Sphalerite, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Sphalerite, etc.

Millbrook Quarry, Haymarket, Prince William County, Virginia, USA

Ca₄(Si₂₈Al₈)O₇₂ · 28H₂Oⓘ Stellerite

Stellerite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stellerite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

M_6-7[Al_8-9Si_27-28O₇₂] · nH₂Oⓘ 'Stilbite Subgroup'

Stilbite Subgroup, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Stilbite Subgroup

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂Oⓘ Thaumasite

Thaumasite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Thaumasite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

Thaumasite, etc.

Vulcan Materials Company Crushed Stone Quarry, Manassas, Prince William County, Virginia, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Native Silver	1.AA.05	Ag
ⓘ	Graphite	1.CB.05a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Greenockite	2.CB.45	CdS
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Hematite var. Specularite	4.CB.05	Fe₂O₃
ⓘ	Quartz var. Amethyst	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Melanterite	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Copiapite	7.DB.35	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
ⓘ	Thaumasite	7.DG.15	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
Group 9 - Silicates
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Topaz	9.AF.35	Al₂(SiO₄)(F,OH)₂
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Datolite	9.AJ.20	CaB(SiO₄)(OH)
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Dravite	9.CK.05	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Schorl	9.CK.05	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Pectolite	9.DG.05	NaCa₂Si₃O₈(OH)
ⓘ	Babingtonite	9.DK.05	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Halloysite	9.ED.10	Al₂Si₂O₅(OH)₄ · n(H₂O)
ⓘ	Gyrolite	9.EE.30	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Scolecite	9.GA.05	CaAl₂Si₃O₁₀ · 3H₂O
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Chabazite-Ca	9.GD.10	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
ⓘ	Heulandite-Ca	9.GE.05	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
ⓘ	Stilbite-Ca	9.GE.10	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
ⓘ	Stellerite	9.GE.15	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅(T₈O₂₂)W₂
ⓘ	'Apophyllite Group'	-	AB₄[Si₈O₂₀]X · 8H₂O
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chabazite'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Clay minerals'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Limonite'	-
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Petrified Wood'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(C²⁺₄C³⁺)(AlSi₇O₂₂)W₂
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Amphibole Supergroup var. Byssolite'	-	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Pumpellyite Group'	-	Ca₂XZ₂[Si₂O₆(OH)][SiO₄](OH)₂A

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Babingtonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Datolite	CaB(SiO₄)(OH)
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
H	ⓘ Halloysite	Al₂Si₂O₅(OH)₄ · n(H₂O)
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Pectolite	NaCa₂Si₃O₈(OH)
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
H	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
H	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
H	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
H	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
H	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
H	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
H	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Pumpellyite Group	Ca₂XZ₂[Si₂O₆(OH)][SiO₄](OH)₂A
B	Boron
B	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Datolite	CaB(SiO₄)(OH)
B	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Calcite	CaCO₃
C	ⓘ Graphite	C
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Quartz var. Amethyst	SiO₂
O	ⓘ Amphibole Supergroup	AB₂C₅(T₈O₂₂)W₂
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
O	ⓘ Aragonite	CaCO₃
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Babingtonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
O	ⓘ Baryte	BaSO₄
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Cristobalite	SiO₂
O	ⓘ Cuprite	Cu₂O
O	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Datolite	CaB(SiO₄)(OH)
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
O	ⓘ Halloysite	Al₂Si₂O₅(OH)₄ · n(H₂O)
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Pectolite	NaCa₂Si₃O₈(OH)
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Scheelite	Ca(WO₄)
O	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
O	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Hematite var. Specularite	Fe₂O₃
O	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
O	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
O	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
O	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Apatite	Ca₅(PO₄)₃A
O	ⓘ Pumpellyite Group	Ca₂XZ₂[Si₂O₆(OH)][SiO₄](OH)₂A
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
F	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Pectolite	NaCa₂Si₃O₈(OH)
Na	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Na	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Na	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	Aluminium
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Al	ⓘ Halloysite	Al₂Si₂O₅(OH)₄ · n(H₂O)
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Al	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Al	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Al	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Al	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Al	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Al	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Al	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Quartz var. Amethyst	SiO₂
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Apophyllite Group	AB₄[Si₈O₂₀]X · 8H₂O
Si	ⓘ Babingtonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Datolite	CaB(SiO₄)(OH)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Si	ⓘ Halloysite	Al₂Si₂O₅(OH)₄ · n(H₂O)
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Pectolite	NaCa₂Si₃O₈(OH)
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Si	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Si	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Si	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Si	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Pumpellyite Group	Ca₂XZ₂[Si₂O₆(OH)][SiO₄](OH)₂A
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Galena	PbS
S	ⓘ Greenockite	CdS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
S	ⓘ Millerite	NiS
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Sphalerite	ZnS
S	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Babingtonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Datolite	CaB(SiO₄)(OH)
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Pectolite	NaCa₂Si₃O₈(OH)
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Scheelite	Ca(WO₄)
Ca	ⓘ Scolecite	CaAl₂Si₃O₁₀ · 3H₂O
Ca	ⓘ Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O
Ca	ⓘ Thaumasite	Ca₃(SO₄)[Si(OH)₆](CO₃) · 12H₂O
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Chabazite-Ca	(Ca,K₂,Na₂)₂[Al₂Si₄O₁₂]₂ · 12H₂O
Ca	ⓘ Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
Ca	ⓘ Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(C₄²⁺C³⁺)(AlSi₇O₂₂)W₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ca	ⓘ Pumpellyite Group	Ca₂XZ₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
Ti	ⓘ Amphibole Supergroup var. Byssolite	AX₂Z₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Babingtonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Fe	ⓘ Hematite var. Specularite	Fe₂O₃
Ni	Nickel
Ni	ⓘ Millerite	NiS
Cu	Copper
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Ag	Silver
Ag	ⓘ Native Silver	Ag
Cd	Cadmium
Cd	ⓘ Greenockite	CdS
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
W	Tungsten
W	ⓘ Scheelite	Ca(WO₄)
Au	Gold
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Galena	PbS

Fossils

There are 19 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

33.9 Ma (Eocene)

Oldest Fossil Listed

237 Ma (Middle Triassic)

Stratigraphic Units

Unit	No. Occurrences	Age
Pamunkey - Nanjemoy - Woodstock	10	55.8 - 33.9 Ma (Paleogene)
Aquia - Piscataway	3	58.7 - 55.8 Ma (Paleogene)
Chatham - Manassas Sandstone	3	228 - 208.5 Ma (Late/Upper Triassic)
Chatham - Bull Run - Balls Bluff	2	228 - 208.5 Ma (Late/Upper Triassic)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	228 - 208.5 Ma Late/Upper Triassic
Ptycholepis genus	Animalia : Chordata : Actinopteri : Ptycholepiformes : Ptycholepididae : *Ptycholepis*	237 - 201.3 Ma Mesozoic
Arctocyonidae family	Animalia : Chordata : Mammalia : Arctocyonidae	58.7 - 55.8 Ma Paleogene
Phenacodus genus	Animalia : Chordata : Mammalia : Phenacodontidae : *Phenacodus*	58.7 - 55.8 Ma Paleogene
Anchisauripus milfordensis species	Animalia : Chordata : Saurischia : Eubrontidae : Grallator (Eubrontes) : *Anchisauripus milfordensis*	228 - 208.5 Ma Late/Upper Triassic
Lamna cuspidata species	Animalia : Chordata : Chondrichthyes : Lamniformes : Lamnidae : Lamna : *Lamna cuspidata*	56 - 33.9 Ma Paleogene
Gwyneddichnium majore species	Animalia : Chordata : Reptilia : Tanystropheidae : Gwyneddichnium : *Gwyneddichnium majore*	228 - 208.5 Ma Late/Upper Triassic
Meretrix subimpressa species	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Meretrix : *Meretrix subimpressa*	56 - 33.9 Ma Paleogene
Aetobatis irregularis species	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Myliobatidae : Aetobatus : *Aetobatis irregularis*	56 - 33.9 Ma Paleogene
Carcharodon auriculatus species	Animalia : Chordata : Chondrichthyes : Lamniformes : Lamnidae : Carcharodon : *Carcharodon auriculatus*	56 - 33.9 Ma Paleogene
Palaeophis grandis species	Animalia : Chordata : Reptilia : Squamata : Palaeophiidae : Palaeophis : *Palaeophis grandis*	56 - 33.9 Ma Paleogene
Cylichna venusta species	Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichna : *Cylichna venusta*	56 - 33.9 Ma Paleogene
Mangilia (Pleurotomella) bellistriata species	Animalia : Mollusca : Gastropoda : Neogastropoda : Raphitomidae : Pleurotomella : *Mangilia (Pleurotomella) bellistriata*	56 - 33.9 Ma Paleogene
Fusus (Levifusus) trabeatus species	Animalia : Mollusca : Gastropoda : Neogastropoda : Melongenidae : Levifusus : *Fusus (Levifusus) trabeatus*	56 - 33.9 Ma Paleogene
Protocardia virginiana species	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Protocardia : *Protocardia virginiana*	56 - 33.9 Ma Paleogene
Modiola potomacensis species	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus : *Modiola potomacensis*	56 - 33.9 Ma Paleogene
Actinopterygii unranked clade	Animalia : Chordata : Osteichthyes : Actinopterygii	228 - 208.5 Ma Late/Upper Triassic

Fossil Localities

Click to show 6 fossil localities

USA

Virginia
- Prince William County
  - Late/Upper Triassic🐚 Antioch roadcut
  - Late/Upper Triassic🐚 Cotlett's Branch
  - Paleogene🐚 Douglas Point
  - Mesozoic🐚 Haymarket
  - Late/Upper Triassic🐚 Manassas National Battlefield Park
  - Late/Upper Triassic🐚 roadcut

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Prince_William_County,_Virginia
Wikidata ID:	Q183263
GeoNames ID:	4780384

Localities in this Region

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Carolina TerraneVolcanic Arc
Carolinia DomainDomain
Laurentides DomainPassive Margin
PedmontiaAccretionary Complex
Piedmontia DomainDomain

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Brobst, D. A. (1958) Barite resources of the United States. Bulletin 1072b. US Geological Survey doi:10.3133/b1072b p.71

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References

Prince William County, Virginia, USA i
Regional Level Types
Prince William County County
Virginia State
USA Country