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Arminius Mine, Mineral, Gold-Pyrite Belt, Louisa Co., Virginia, USAi
Regional Level Types
Arminius MineMine
Mineral- not defined -
Gold-Pyrite BeltBelt
Louisa Co.County
VirginiaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
38° 2' 10'' North , 77° 53' 57'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Mineral483 (2017)2.9km
Louisa1,621 (2017)9.3km
Blue Ridge Shores813 (2011)13.4km
Gordonsville1,577 (2017)27.6km
Orange4,947 (2017)29.7km


The Armenius mine was the largest volcanogenic massive sulphide deposit in the Mineral District. It produced 2 MT from 2 lens shaped ore bodies, thought to be of the Kuroko type, hosted by the Chopawamsic Formation. In the rather linear trend where the massive sulphides of the Mineral District occur the Chopawamsic is predominantly metamorphosed intermediate and felsic volcanics. The ore bodies are stratiform lenses, often dominantly pyritic, that contain variable amounts of sphalerite, galena and chalcopyrite. A variety of minor minerals occurs thinly scattered among the major ore minerals. Gangue minerals include quartz, carbonate, silicates, magnetite and gahnite. Gahnite is widespread within the ores. Its occurrence in the Mineral District has been described by Sandhaus and Craig (1986).

The massive sulphides of the Mineral District were mainly mined for pyrite to produce sulphur and sulphuric acid. Pyrite mining ended when cheaper, and more abundant sources of elemental sulphur were developed in the early 20th century. Copper, lead and, zinc were generally byproducts. Those byproducts, as well as traces of gold and silver attracted the attention of the NJ Zinc Company which drilled the deposit in the 1950's.

Like the other massive sulphide mines of the area the Armenius has been "reclaimed". Recent air photos suggest that the mineral-bearing dumps have been bulldozed, recontoured, heavily limed, covered and revegetated leaving little or nothing of mineralogical interest.









Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


35 valid minerals.

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Arsenopyrite
Formula: FeAsS
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Bornite
Formula: Cu5FeS4
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Calcite
Formula: CaCO3
Colour: Pink
Fluorescence: Rose
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cassiterite
Formula: SnO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chalcopyrite
Formula: CuFeS2
Reference: Rocks & Min.:60:167.
'Chlorite Group'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Epsomite
Formula: MgSO4 · 7H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Gahnite
Formula: ZnAl2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Galena
Formula: PbS
Reference: Rocks & Min.:60:167.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Gold
Formula: Au
Reference: Rocks & Min.:60:167.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
'Hornblende'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Ilmenite
Formula: Fe2+TiO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Mackinawite
Formula: (Fe,Ni)9S8
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Rocks & Min.:60:167.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Marcasite
Formula: FeS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Minerals of Virginia, 1990 by R. V. Dietrich
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Pyrite
Formula: FeS2
Reference: Rocks & Min.:60:167.
Pyrrhotite
Formula: Fe7S8
Reference: Rocks & Min.:60:167.
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Rozenite
Formula: FeSO4 · 4H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Scheelite
Formula: Ca(WO4)
Reference: Rocks & Min.:60:167.
Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Siderite
Formula: FeCO3
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Silver
Formula: Ag
Reference: Rocks & Min.:60:167.
Sphalerite
Formula: ZnS
Reference: Rocks & Min.:60:167.
Sulphur
Formula: S8
Reference: Minerals of Virginia 1990 by R. V. Dietrich
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Silver1.AA.05Ag
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Mackinawite2.CC.25(Fe,Ni)9S8
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Gahnite4.BB.05ZnAl2O4
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Epsomite7.CB.40MgSO4 · 7H2O
Gypsum7.CD.40CaSO4 · 2H2O
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O
Rozenite7.CB.15FeSO4 · 4H2O
Scheelite7.GA.05Ca(WO4)
Serpierite7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 9:8
Mackinawite2.7.2.1(Fe,Ni)9S8
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Cassiterite4.4.1.5SnO2
Group 7 - MULTIPLE OXIDES
AB2X4
Gahnite7.2.1.4ZnAl2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Epsomite29.6.11.1MgSO4 · 7H2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
Rozenite29.6.6.1FeSO4 · 4H2O
AB2(XO4)4·H2O
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Serpierite31.6.2.1Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Miscellaneous
Copiapite31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
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
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Hornblende'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H RozeniteFeSO4 · 4H2O
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H BrochantiteCu4(SO4)(OH)6
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H EpsomiteMgSO4 · 7H2O
H GypsumCaSO4 · 2H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H PickeringiteMgAl2(SO4)4 · 22H2O
H SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
C SideriteFeCO3
OOxygen
O MagnetiteFe2+Fe23+O4
O ScheeliteCa(WO4)
O RozeniteFeSO4 · 4H2O
O IlmeniteFe2+TiO3
O GahniteZnAl2O4
O QuartzSiO2
O Garnet GroupX3Z2(SiO4)3
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O BaryteBaSO4
O CassiteriteSnO2
O CalciteCaCO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O BrochantiteCu4(SO4)(OH)6
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O EpsomiteMgSO4 · 7H2O
O AlmandineFe32+Al2(SiO4)3
O GypsumCaSO4 · 2H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O PickeringiteMgAl2(SO4)4 · 22H2O
O SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
O SideriteFeCO3
O MuscoviteKAl2(AlSi3O10)(OH)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg EpsomiteMgSO4 · 7H2O
Mg PickeringiteMgAl2(SO4)4 · 22H2O
AlAluminium
Al GahniteZnAl2O4
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al AlmandineFe32+Al2(SiO4)3
Al PickeringiteMgAl2(SO4)4 · 22H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si Garnet GroupX3Z2(SiO4)3
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S GalenaPbS
S ChalcopyriteCuFeS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S RozeniteFeSO4 · 4H2O
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S MarcasiteFeS2
S BaryteBaSO4
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S BrochantiteCu4(SO4)(OH)6
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S EpsomiteMgSO4 · 7H2O
S GypsumCaSO4 · 2H2O
S Mackinawite(Fe,Ni)9S8
S MelanteriteFe2+(H2O)6SO4 · H2O
S PickeringiteMgAl2(SO4)4 · 22H2O
S SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
S SulphurS8
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ScheeliteCa(WO4)
Ca CalciteCaCO3
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca GypsumCaSO4 · 2H2O
Ca SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe RozeniteFeSO4 · 4H2O
Fe IlmeniteFe2+TiO3
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe MarcasiteFeS2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe ArsenopyriteFeAsS
Fe BorniteCu5FeS4
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe AlmandineFe32+Al2(SiO4)3
Fe Mackinawite(Fe,Ni)9S8
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe SideriteFeCO3
NiNickel
Ni Mackinawite(Fe,Ni)9S8
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu BorniteCu5FeS4
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn GahniteZnAl2O4
Zn SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
AsArsenic
As ArsenopyriteFeAsS
AgSilver
Ag SilverAg
SnTin
Sn CassiteriteSnO2
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Ba BaryteBaSO4
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu
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

Cambrian
485.4 - 541 Ma



ID: 2767956
Chopawamsic Formation - Interlayered felsic and mafic metavolcanic rocks

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Chopawamsic Formation

Description: Chopawamsic Formation, undivided, (Pavlides, 1981). Includes laterally discontinuous lenses and tongues of metamorphosed felsic, intermediate, and mafic volcanic flows and volcanoclastic rocks, with interlayered quartzite, quartzose graywacke, schist, and phyllite. Volcanic flows are locally highly vesicular; fragmental breccia and tuff are common. Felsic flows are typically light-gray aphanitic rocks with phenocrysts of quartz and feldspar; intermediate flows are dark-green amphibole-bearing rocks with fine-grained quartz-feldspar matrix; greenstone metabasalts contain blue green amphibole, chlorite, albitic plagioclase, and quartz. Geophysical signature: linear strike-elongate pattern of elevated magnetic anomalies. The Chopawamsic is correlated with the James Run Formation in Maryland; the James Run has been dated at 570 to 530 Ma (U-Pb zircon; Tilton and others 1970). The Chopawamsic is unconformably overlain by the Late Ordovician Arvonia and Quantico Formations. Pavlides (1981 and subsequent works) has made the interpretation on the basis of geologic and geochemical data that the Chopawamsic and related plutons represent an ancient is land-arc sequence.

Comments: Central Virginia Volcanic-Plutonic Belt 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:{metavolcanic}

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]

Cambrian
485.4 - 541 Ma



ID: 2459197
Chopawamsic Formation

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Chopawamsic Formation

Description: Consists of lenses and tongues of metavolcanic, metasedimentary rocks, amphibolite greenstone and dark schist (island-arc terrane)

Lithology: Metavolcanics

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]

Cambrian
485.4 - 541 Ma



ID: 3185964
Paleozoic volcanic rocks

Age: Cambrian (485.4 - 541 Ma)

Lithology: Volcanic 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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
BOYLE, W.H. (1951), REPORT ON THE ARMINIUS MINES AT MINERAL, VIRGINIA. THE NEW JERSEY ZINC CO. SEPTEMBER 21,1951, 12 PP.
COX, L.J. (1979), MINERALOGY AND PETROGENESIS OF THE ARMINIUS DEPOSIT, LOUISA COUNTY, VIRGINIA: UNPUBLISHED M.S. THESIS, VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY.
COX, L.J., CRAIG, J.R., AND KAZDA, R.F. (1979), THE ARMINIUS; A VOLCANOGENIC MASSIVE SULFIDE DEPOSIT IN THE MINERAL DISTRICT, LOUISA CO., VIRGINIA: GEOLOGICAL SOCIETY OF AMERICA ABSTRACTS
WITH PROGRAMS, V. 11, N. 4, P. 175.
Rocks & Minerals (1985): 60: 167.
SANDHAUS., D.J . & CRAIG, J .R. (1986): GAHNITE IN THE METAMORPHOSED STRATIFORM MASSIVE SULFIDE DEPOSITS OF THE MINERAL DISTRICT, VIRGINIA, U,S.A. TSCHERMAKS MIN.PETR MITT.35,77-98.
CALLAHAN MINING CORPORATION LETTER OF CORRESPONDENCE TO R.C. BO____.


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