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Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William Co., Virginia, USAi
Regional Level Types
Vulcan Materials Company Crushed Stone Quarry (Manassas Quarry)Quarry
Manassas- not defined -
Prince William Co.County
VirginiaState
USACountry

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Latitude & Longitude (WGS84): 38° 45' North , 77° 28' West
Latitude & Longitude (decimal): 38.75000,-77.46667
GeoHash:G#: dqbumnnrp
Locality type:Quarry
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Manassas41,764 (2017)0.8km
Buckhall16,293 (2011)3.7km
Manassas Park15,726 (2017)3.8km
Loch Lomond3,701 (2011)4.1km
West Gate8,046 (2006)4.5km


Ref.: Rocks & Min.: 60: 168. Located near Manassas.
Vulcan
LEVAN, C.E., 1972, DIRECTORY OF THE MIN. IND. IN VA. -197
Commodities (Major) - Stone - Crushed/Broken
Development Status: Producer
Host Rock Unit: Sandstone Member, Newark Group
Host Rock: Diabase

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


40 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Rocks & min.: 60:168.
Aegirine
Formula: NaFe3+Si2O6
Reference: Minerals of Virginia 1990 by R. V. Dietrich
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Minerals of Virginia 1990 by R. V. Dietrich
'Amphibole Supergroup var: Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Minerals of Virginia 1990 by R. V. Dietrich
'Apatite'
Reference: Rocks & min.: 60:168.
'Apophyllite'
Colour: Clear
Reference: Rocks & min.: 60:168.; J. Wingard, personal observation; various added photos
Aragonite
Formula: CaCO3
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Babingtonite
Formula: Ca2(Fe,Mn)FeSi5O14(OH)
Reference: Minerals of Virginia 1990 by R. V. Dietrich
'Biotite'
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Bornite
Formula: Cu5FeS4
Reference: Rocks & min.: 60:168.
Calcite
Formula: CaCO3
Reference: J. Wingard, personal observation 4/24/04; various added photos
'Chabazite'
Reference: Rocks & min.: 60:168.
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Reference: ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.
Chalcopyrite
Formula: CuFeS2
Reference: Rocks & min.: 60:168.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Cristobalite
Formula: SiO2
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Datolite
Formula: CaB(SiO4)(OH)
Reference: Rocks & min.: 60:168.
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.
'Feldspar Group'
Reference: J. Wingard, personal observation 4/24/04
Galena
Formula: PbS
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Greenockite
Formula: CdS
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Hematite
Formula: Fe2O3
Reference: J. Wingard, personal observation 4/24/04
Hematite var: Specularite
Formula: Fe2O3
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Reference: ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.
'Heulandite subgroup'
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Ilmenite
Formula: Fe2+TiO3
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: J. Wingard, personal observation.; various added photos
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Opal
Formula: SiO2 · nH2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Orthoclase
Formula: K(AlSi3O8)
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Pectolite
Formula: NaCa2Si3O8(OH)
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: J. Wingard, personal observation 4/24/04; various photographs
'Pumpellyite'
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Pyrite
Formula: FeS2
Reference: Patrick Haynes (visual ID)
Quartz
Formula: SiO2
Reference: Minerals of Virginia 1990 by R. V. Dietrich; various added photos
Rutile
Formula: TiO2
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Scheelite
Formula: Ca(WO4)
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Silver
Formula: Ag
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Sphalerite
Formula: ZnS
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Stellerite
Formula: Ca4(Si28Al8)O72 · 28H2O
Habit: radiating nodules / hemispheres and spheres
Colour: orange
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.
Reference: 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[Al9Si27O72] · nH2O
Reference: ID'd by Tony Kampf. I had listed them for the Manassas Quarry in Fairfax County, VA, a mistake.
'Stilbite subgroup'
Reference: Minerals of Virginia 1990 by R. V. Dietrich; various added photos
Thaumasite
Formula: Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Titanite
Formula: CaTi(SiO4)O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Minerals of Virginia 1990 by R. V. Dietrich
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Zircon
Formula: Zr(SiO4)
Reference: Minerals of Virginia 1990 by R. V. Dietrich

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Greenockite2.CB.45CdS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Cristobalite4.DA.15SiO2
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Thaumasite7.DG.15Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Aegirine9.DA.25NaFe3+Si2O6
Babingtonite9.DK.05Ca2(Fe,Mn)FeSi5O14(OH)
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Datolite9.AJ.20CaB(SiO4)(OH)
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Grossular9.AD.25Ca3Al2(SiO4)3
Gyrolite9.EE.30NaCa16Si23AlO60(OH)8 · 14H2O
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Orthoclase9.FA.30K(AlSi3O8)
Pectolite9.DG.05NaCa2Si3O8(OH)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Stellerite9.GE.15Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Titanite9.AG.15CaTi(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Apophyllite'-
'Biotite'-
'Chabazite'-
'Feldspar Group'-
'Heulandite subgroup'-
'Pumpellyite'-
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 32 - COMPOUND SULFATES
Hydrated Compound Sulfates containing Hydroxyl or Halogen
Thaumasite32.4.4.4Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Single-Width Unbranched Chains, W=1 with chains P=5
Babingtonite65.4.1.2Ca2(Fe,Mn)FeSi5O14(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 73 - PHYLLOSILICATES Condensed Tetrahedral Sheets
Condensed Tetrahedral Sheets with double and single layers
Gyrolite73.2.2c.1NaCa16Si23AlO60(OH)8 · 14H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Orthoclase76.1.1.1K(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Scolecite77.1.5.5CaAl2Si3O10 · 3H2O
Stellerite77.1.4.4Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Apophyllite'-
Aragonite-CaCO3
'Biotite'-
'Chabazite'-
'Feldspar Group'-
Hematite
var: Specularite
-Fe2O3
'Heulandite subgroup'-
'Pumpellyite'-
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H StelleriteCa4(Si28Al8)O72 · 28H2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H DatoliteCaB(SiO4)(OH)
H PrehniteCa2Al2Si3O10(OH)2
H LaumontiteCaAl2Si4O12 · 4H2O
H ScoleciteCaAl2Si3O10 · 3H2O
H PectoliteNaCa2Si3O8(OH)
H Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H OpalSiO2 · nH2O
H ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
H TopazAl2(SiO4)(F,OH)2
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BBoron
B DatoliteCaB(SiO4)(OH)
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C CalciteCaCO3
C AragoniteCaCO3
C MalachiteCu2(CO3)(OH)2
C ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
OOxygen
O StelleriteCa4(Si28Al8)O72 · 28H2O
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O DatoliteCaB(SiO4)(OH)
O PrehniteCa2Al2Si3O10(OH)2
O CalciteCaCO3
O HematiteFe2O3
O LaumontiteCaAl2Si4O12 · 4H2O
O ScoleciteCaAl2Si3O10 · 3H2O
O PectoliteNaCa2Si3O8(OH)
O Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AragoniteCaCO3
O BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
O CristobaliteSiO2
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O OrthoclaseK(AlSi3O8)
O GrossularCa3Al2(SiO4)3
O GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
O Hematite (var: Specularite)Fe2O3
O IlmeniteFe2+TiO3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O NatroliteNa2Al2Si3O10 · 2H2O
O OpalSiO2 · nH2O
O AegirineNaFe3+Si2O6
O QuartzSiO2
O RutileTiO2
O ScheeliteCa(WO4)
O ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
O TitaniteCaTi(SiO4)O
O TopazAl2(SiO4)(F,OH)2
O ZirconZr(SiO4)
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
F Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F TopazAl2(SiO4)(F,OH)2
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na PectoliteNaCa2Si3O8(OH)
Na GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AegirineNaFe3+Si2O6
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al StelleriteCa4(Si28Al8)O72 · 28H2O
Al PrehniteCa2Al2Si3O10(OH)2
Al LaumontiteCaAl2Si4O12 · 4H2O
Al ScoleciteCaAl2Si3O10 · 3H2O
Al Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al OrthoclaseK(AlSi3O8)
Al GrossularCa3Al2(SiO4)3
Al GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al NatroliteNa2Al2Si3O10 · 2H2O
Al TopazAl2(SiO4)(F,OH)2
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Si StelleriteCa4(Si28Al8)O72 · 28H2O
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si DatoliteCaB(SiO4)(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si LaumontiteCaAl2Si4O12 · 4H2O
Si ScoleciteCaAl2Si3O10 · 3H2O
Si PectoliteNaCa2Si3O8(OH)
Si Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Si CristobaliteSiO2
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si OrthoclaseK(AlSi3O8)
Si GrossularCa3Al2(SiO4)3
Si GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NatroliteNa2Al2Si3O10 · 2H2O
Si OpalSiO2 · nH2O
Si AegirineNaFe3+Si2O6
Si QuartzSiO2
Si ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Si TitaniteCaTi(SiO4)O
Si TopazAl2(SiO4)(F,OH)2
Si ZirconZr(SiO4)
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SSulfur
S BorniteCu5FeS4
S ChalcopyriteCuFeS2
S SphaleriteZnS
S GalenaPbS
S GreenockiteCdS
S ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
S PyriteFeS2
ClChlorine
Cl Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K OrthoclaseK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca StelleriteCa4(Si28Al8)O72 · 28H2O
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca DatoliteCaB(SiO4)(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
Ca CalciteCaCO3
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca PectoliteNaCa2Si3O8(OH)
Ca AragoniteCaCO3
Ca BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca GrossularCa3Al2(SiO4)3
Ca GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Ca ScheeliteCa(WO4)
Ca ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Ca TitaniteCaTi(SiO4)O
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
TiTitanium
Ti Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MnManganese
Mn BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Fe Hematite (var: Specularite)Fe2O3
Fe IlmeniteFe2+TiO3
Fe AegirineNaFe3+Si2O6
Fe PyriteFeS2
CuCopper
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
ZrZirconium
Zr ZirconZr(SiO4)
AgSilver
Ag SilverAg
CdCadmium
Cd GreenockiteCdS
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Triassic
201.3 - 251.902 Ma



ID: 3188232
Mesozoic sedimentary and volcanic rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Newark Graben System; Culpeper Subbasin

Lithology: Mafic volcanic rocks; siltstone,conglomerate,shale,felsdpathic quartz arenite

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Triassic
201.3 - 251.902 Ma



ID: 2787125
Newark Supergroup; Sandstone, undifferentiated

Age: Triassic (201.3 - 251.902 Ma)

Stratigraphic Name: Newark Supergroup

Description: Fine- to coarse-grained, reddish-brown to gray, primary bedding features such as cross-beds, channel lags, and ripple marks , minor conglomerate, siltstone, and shale beds.

Comments: Mesozoic Basins; paper map and digital map have differernt labels: paper map does not have TR prefix, but the digital source has TR as part of the label. Original map source: Virginia Division of Mineral Resources, 2003, Digital Representation of the 1993 Geologic Map of Virginia, Publication 174, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, scale 1:500,000.

Lithology: Major:{sandstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Late Triassic
201.3 - 237 Ma



ID: 2456614
Poolesville Member

Age: Late Triassic (201.3 - 237 Ma)

Stratigraphic Name: Poolesville Member

Description: Poolesville member of the Manassas Sandstone or Upper unnamed member of the Manassas Sandstone. Sandstone, pebbly sandstone, siltstone, and minor shale. Thickness is 200-300 m (656-984 ft)

Comments: red; medium,thick bedded; Dominant bedding folation; crocodile and bird footprints; fluvial

Lithology: Siltstone

Reference: Davis, A.M., C.S. Southworth, J.E. Reddy, J.S. Schindler. Geologic Map Database of the Washington DC Area Featuring Data from Three 30 x 60 Minute Quadrangles: Frederick, Washington West, and Fredericksburg. U.S. Geological Survey Open-File Report 01-227. [69]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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