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Leesburg Quarry, Leesburg, Loudoun Co., Virginia, USAi
Regional Level Types
Leesburg QuarryQuarry
Leesburg- not defined -
Loudoun Co.County
VirginiaState
USACountry

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Key
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Latitude & Longitude (WGS84): 39° 4' 59'' North , 77° 30' 47'' West
Latitude & Longitude (decimal): 39.08306,-77.51305
GeoHash:G#: dqbyk4ueq
Locality type:Quarry
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Belmont5,966 (2011)2.0km
Ashburn43,511 (2015)4.9km
Leesburg51,209 (2017)5.7km
University Center3,586 (2011)6.6km
Broadlands12,313 (2011)7.2km


REF:Deposit:: MESA INSP.
Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT JULY 24, 1972.
Deposit:: QUARRY IS OPERATED BY LEESBURG STONE CORPORATION, SUBSIDIARY OF
Deposit:: LUCK QUARRIES, INCORPORATED.OPERATION INCLUDES A PLANT.
Commodities (Major) - Granite
Development Status: Past Producer

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


8 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Calcite
Formula: CaCO3
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Clinochlore var: Colerainite
Formula: 4MgO · Al2O3 · 2SiO2 · 5H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Datolite
Formula: CaB(SiO4)(OH)
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Hydroxyapophyllite-(K)
Formula: KCa4(Si8O20)(OH,F) · 8H2O
Reference: Joseph Freillich specimen;
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Wollastonite
Formula: CaSiO3
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Xonotlite
Formula: Ca6(Si6O17)(OH)2
Reference: Minerals of Virginia 1990 by R. V. Dietrich

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Colerainite9.EC.554MgO · Al2O3 · 2SiO2 · 5H2O
Datolite9.AJ.20CaB(SiO4)(OH)
Hydroxyapophyllite-(K)9.EA.15KCa4(Si8O20)(OH,F) · 8H2O
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Wollastonite9.DG.05CaSiO3
Xonotlite9.DG.35Ca6(Si6O17)(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
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)
Vesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Ca-Na subgroup
Xonotlite66.3.1.1Ca6(Si6O17)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Unclassified Minerals, Mixtures, etc.
var: Colerainite-4MgO · Al2O3 · 2SiO2 · 5H2O
Hydroxyapophyllite-(K)-KCa4(Si8O20)(OH,F) · 8H2O

List of minerals for each chemical element

HHydrogen
H Clinochlore (var: Colerainite)4MgO · Al2O3 · 2SiO2 · 5H2O
H DatoliteCaB(SiO4)(OH)
H Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
H XonotliteCa6(Si6O17)(OH)2
H Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
BBoron
B DatoliteCaB(SiO4)(OH)
B Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
CCarbon
C CalciteCaCO3
OOxygen
O BaryteBaSO4
O CalciteCaCO3
O Clinochlore (var: Colerainite)4MgO · Al2O3 · 2SiO2 · 5H2O
O DatoliteCaB(SiO4)(OH)
O Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
O WollastoniteCaSiO3
O XonotliteCa6(Si6O17)(OH)2
O Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
FFluorine
F Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
F Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
NaSodium
Na Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
MgMagnesium
Mg Clinochlore (var: Colerainite)4MgO · Al2O3 · 2SiO2 · 5H2O
Mg Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al Clinochlore (var: Colerainite)4MgO · Al2O3 · 2SiO2 · 5H2O
Al Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si Clinochlore (var: Colerainite)4MgO · Al2O3 · 2SiO2 · 5H2O
Si DatoliteCaB(SiO4)(OH)
Si Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Si WollastoniteCaSiO3
Si XonotliteCa6(Si6O17)(OH)2
Si Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Si ClinochloreMg5Al(AlSi3O10)(OH)8
SSulfur
S BaryteBaSO4
KPotassium
K Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
CaCalcium
Ca CalciteCaCO3
Ca DatoliteCaB(SiO4)(OH)
Ca Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Ca WollastoniteCaSiO3
Ca XonotliteCa6(Si6O17)(OH)2
Ca Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
FeIron
Fe Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
BaBarium
Ba BaryteBaSO4

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

Early Jurassic
174.1 - 201.3 Ma



ID: 2455931
early diabase cumulates

Age: Early Jurassic (174.1 - 201.3 Ma)

Comments: gray, black; Dominant fractures folation; No fossils; differentiates of diabase sills; used for aggregate

Lithology: Diabase

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]

Early Jurassic
174.1 - 201.3 Ma



ID: 2761386
Diabase

Age: Early Jurassic (174.1 - 201.3 Ma)

Description: Fine- to coarsely-crystalline, subaphanitic or porphyritic with aphanitic margins; dark-gray mosaic of plagioclase laths and clinopyroxene, with some masses characterized by olivine or bronzite, others granophyric. Also occurs as dikes and sills in the Valley and Ridge, Piedmont, and Blue Ridge physiographic provinces.

Comments: Coastal Plain 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:{basalt}

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]

Triassic
201.3 - 251.902 Ma



ID: 3186382
Mesozoic intrusive rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Culpeper Subbasin

Lithology: Intrusive igneous rocks

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]

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


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