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Buck Hill, Parnassus, Augusta Co., Virginia, USAi
Regional Level Types
Buck HillHill
Parnassus- not defined -
Augusta Co.County
VirginiaState
USACountry

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Latitude & Longitude (WGS84): 38° 18' 40'' North , 79° 9' 29'' West
Latitude & Longitude (decimal): 38.31111,-79.15806
GeoHash:G#: dnz9ywqf7
Locality type:Hill
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Churchville194 (2011)9.4km
Bridgewater5,889 (2017)17.7km
Verona4,239 (2011)17.8km
Mount Sidney663 (2011)18.3km
Staunton24,416 (2017)19.4km


Nepheline-natrolite syenite intrusion.

Dietrich (1990), Minerals of Virginia, mentions the non-existent locality - "Bulk Mountain (6.6 miles northwest of Parnassus)" There is no such mountain in this region, let alone 6.6 miles from Parnassus. The "Superb crystals of natrolite, analcime and other minerals", Dietrich, page 33, refers to the Buck Hill locality, 4 miles WNW of Parnassus. There is another unrelated Buck Mountain 17 miles northwest of Parnassus. No syenite or related rocks are known there. Dietrich's miss-attribution of this locality is understandable. The original primary reference: "Johnson R.W., and Charles Milton, 1963, and also 1965 (?), Alkalic complex and related rocks in the Southern Shenandoah Valley, Augusta and Rockingham Counties, Virginia: Field trip outline for Geology and Geography Section of Virginia Academy of Science", is very difficult to read, being an old "dittoed" (spirit copies ??) handout. The field trip was apparently held in both 1963 and either 1965 or 1966. The 1963 handout is the only similar reference in the library of the Virginia Division of Mineral Resources, in Charlottesville, that is, there is no 1965 or 1966 copy available.

Regions containing this locality

North America PlatePlate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


21 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Analcime
Formula: Na(AlSi2O6) · H2O
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
'Anorthoclase'
Formula: (Na,K)AlSi3O8
'Apatite'
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Calcite
Formula: CaCO3
Catapleiite
Formula: Na2Zr(Si3O9) · 2H2O
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fluorite
Formula: CaF2
Galena
Formula: PbS
Grossular
Formula: Ca3Al2(SiO4)3
Hematite
Formula: Fe2O3
Magnetite
Formula: Fe2+Fe3+2O4
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Nepheline
Formula: Na3K(Al4Si4O16)
Opal
Formula: SiO2 · nH2O
Parisite-(Ce) ?
Formula: CaCe2(CO3)3F2
Rhodochrosite
Formula: MnCO3
Röntgenite-(Ce) ?
Formula: Ca2(Ce,La)3(CO3)5F3
Rutile
Formula: TiO2
Rutile var: Ilmenorutile
Formula: Fex(Nb,Ta)2x · 4Ti1-xO2
Synchysite-(Ce)
Formula: CaCe(CO3)2F

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Opal4.DA.10SiO2 · nH2O
Rutile4.DB.05TiO2
var: Ilmenorutile4.DB.05Fex(Nb,Ta)2x · 4Ti1-xO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Parisite-(Ce) ?5.BD.20bCaCe2(CO3)3F2
Rhodochrosite5.AB.05MnCO3
Röntgenite-(Ce) ?5.BD.20dCa2(Ce,La)3(CO3)5F3
Synchysite-(Ce)5.BD.20cCaCe(CO3)2F
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
'Anorthoclase'9.FA.30(Na,K)AlSi3O8
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Catapleiite9.CA.15Na2Zr(Si3O9) · 2H2O
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Grossular9.AD.25Ca3Al2(SiO4)3
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Unclassified Minerals, Rocks, etc.
'Apatite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
var: Ilmenorutile4.4.1.2Fex(Nb,Ta)2x · 4Ti1-xO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Rhodochrosite14.1.1.4MnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Parisite-(Ce) ?16a.1.5.1CaCe2(CO3)3F2
Röntgenite-(Ce) ?16a.1.6.1Ca2(Ce,La)3(CO3)5F3
Synchysite-(Ce)16a.1.3.1CaCe(CO3)2F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 59 - CYCLOSILICATES Three-Membered Rings
Three-Membered Rings, hydrated
Catapleiite59.2.2.1Na2Zr(Si3O9) · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
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
Albite76.1.3.1Na(AlSi3O8)
'Anorthoclase'76.1.1.6(Na,K)AlSi3O8
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-
Arfvedsonite-[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2

List of minerals for each chemical element

HHydrogen
H CatapleiiteNa2Zr(Si3O9) · 2H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H OpalSiO2 · nH2O
H AnniteKFe32+(AlSi3O10)(OH)2
CCarbon
C Synchysite-(Ce)CaCe(CO3)2F
C RhodochrositeMnCO3
C CalciteCaCO3
C Parisite-(Ce)CaCe2(CO3)3F2
C Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3
OOxygen
O CatapleiiteNa2Zr(Si3O9) · 2H2O
O Synchysite-(Ce)CaCe(CO3)2F
O RhodochrositeMnCO3
O NatroliteNa2Al2Si3O10 · 2H2O
O AnalcimeNa(AlSi2O6) · H2O
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O NephelineNa3K(Al4Si4O16)
O AlbiteNa(AlSi3O8)
O CalciteCaCO3
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O GrossularCa3Al2(SiO4)3
O HematiteFe2O3
O Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
O OpalSiO2 · nH2O
O Anorthoclase(Na,K)AlSi3O8
O AnniteKFe32+(AlSi3O10)(OH)2
O MagnetiteFe2+Fe23+O4
O RutileTiO2
O Parisite-(Ce)CaCe2(CO3)3F2
O Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3
FFluorine
F Synchysite-(Ce)CaCe(CO3)2F
F FluoriteCaF2
F Parisite-(Ce)CaCe2(CO3)3F2
F Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3
NaSodium
Na CatapleiiteNa2Zr(Si3O9) · 2H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na NephelineNa3K(Al4Si4O16)
Na AlbiteNa(AlSi3O8)
Na Anorthoclase(Na,K)AlSi3O8
MgMagnesium
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
AlAluminium
Al NatroliteNa2Al2Si3O10 · 2H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al NephelineNa3K(Al4Si4O16)
Al AlbiteNa(AlSi3O8)
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al GrossularCa3Al2(SiO4)3
Al Anorthoclase(Na,K)AlSi3O8
Al AnniteKFe32+(AlSi3O10)(OH)2
SiSilicon
Si CatapleiiteNa2Zr(Si3O9) · 2H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si NephelineNa3K(Al4Si4O16)
Si AlbiteNa(AlSi3O8)
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si GrossularCa3Al2(SiO4)3
Si OpalSiO2 · nH2O
Si Anorthoclase(Na,K)AlSi3O8
Si AnniteKFe32+(AlSi3O10)(OH)2
SSulfur
S GalenaPbS
KPotassium
K NephelineNa3K(Al4Si4O16)
K Anorthoclase(Na,K)AlSi3O8
K AnniteKFe32+(AlSi3O10)(OH)2
CaCalcium
Ca Synchysite-(Ce)CaCe(CO3)2F
Ca CalciteCaCO3
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca FluoriteCaF2
Ca GrossularCa3Al2(SiO4)3
Ca Parisite-(Ce)CaCe2(CO3)3F2
Ca Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3
TiTitanium
Ti Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
Ti RutileTiO2
MnManganese
Mn RhodochrositeMnCO3
FeIron
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe HematiteFe2O3
Fe Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe MagnetiteFe2+Fe23+O4
ZrZirconium
Zr CatapleiiteNa2Zr(Si3O9) · 2H2O
NbNiobium
Nb Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
CeCerium
Ce Synchysite-(Ce)CaCe(CO3)2F
Ce Parisite-(Ce)CaCe2(CO3)3F2
Ce Röntgenite-(Ce)Ca2(Ce,La)3(CO3)5F3
TaTantalum
Ta Rutile (var: Ilmenorutile)Fex(Nb,Ta)2x · 4Ti1-xO2
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

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary 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]

Ordovician
443.8 - 485.4 Ma



ID: 2980274
Edinburg Formation, Lincolnshire and New Market Limestones

Age: Ordovician (443.8 - 485.4 Ma)

Stratigraphic Name: Edinburg Formation; Lincolnshire Limestone; New Market Limestone

Description: New Market Limestones (northeast of Roanoke County). Edinburg Formation (Cooper and Cooper, 1946). Limestone and shale. Limestone, dark-gray to black, aphanic, thin-bedded with thin, black shale partings, locally contorted limestone beds, intraformational limestone breccias, and olistoliths interstratified with typical planar bedded limestone (Liberty Hall lithofacies). Limestone, medium- to light-gray, fine- to coarse-grained, nodular with very thin, black shale partings (Lantz Mills lithofacies). Limestone, light-gray, medium- to coarse-grained, thick-bedded (St Luke Limestone Member). Shale, black, graptolites common, basal unit in Augusta, eastern Rockingham, and southern Page counties. Thickness ranges from 400 feet at Strasburg to approximately 100 feet west of Lexington with a maximum of nearly 1500 feet near Harrisonburg. Lincolnshire Limestone (Cooper and Prouty, 1943). Limestone, light- to dark-gray, fine- to coarse-grained, with black chert nodules. Light-gray, coarse-grained limestone probably represents carbonate mounds ( Murat limestone). Upper contact is gradational; the lower contact is disconformable. Thickness ranges from 25 feet west of Front Royal to 280 feet northwest of Lexington (Cooper and Cooper, 1946). New Market Limestone (Cooper and Cooper, 1946). Limestone, medium- to dark-gray, aphanic to fine-grained. The upper portion of the New Market, the major quarry rock of northern Virginia, is massive micrite that weathers to fluted ledges. The lower portion is dolomitic with scattered lenticular, black, pyritic limestone, locally conglomeratic at the base. Upper contact is disconformable and the lower contact is a locally angular unconformity. The thickness ranges from 0 near Staunton to 250 feet west of Edinburg.

Comments: Appalachian Plateaus and Valley and Ridge 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:{limestone}, Minor:{black shale}, Incidental:{chert}

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Johnson R.W., and Charles Milton (1963) (and also 1965 (?)), Alkalic complex and related rocks in the Southern Shenandoah Valley, Augusta and Rockingham Counties, Virginia: Field trip outline for Geology and Geography Section of Virginia Academy of Science.
Rocks & Minerals (2003): (March-April).
Rocks & Minerals (2009): 84: 352-362.


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