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Elkin Quarry, Surry Co., North Carolina, USAi
Regional Level Types
Elkin QuarryQuarry
Surry Co.County
North CarolinaState
USACountry

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Latitude & Longitude (WGS84):
36° 15' 32'' North , 80° 48' 51'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Elkin4,060 (2017)3.5km
Jonesville2,257 (2017)3.5km
Arlington781 (2017)3.9km
Pleasant Hill878 (2017)6.2km
Boonville1,207 (2017)9.9km


REF:Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT AUGUST 31, 1972.
Deposit:: NC GEOL SURVEY
Deposit:: OPERATION INCLUDES A MILL AT THE QUARRY.
Deposit:: 1981 MSHA LIST.
Deposit:: RCF & CMS LISTS 10/81.
Deposit:: # ASSOCIATED WITH MILL, SEQ. NO. 037
Commodities (Major) - Stone - Crushed/Broken
Development Status: Producer
Rock Type:Biotite Quartz Monzonite Gneiss and Granite Gneiss-Age-429 Million years old.

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:

Albite
Formula: Na(AlSi3O8)
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Harper,S.B.,(1977) The Age And Origion of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina:M.S Thesis,UNC,Chapel Hill,92 p.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
'Chlorite Group'
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Fluorite
Formula: CaF2
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Microcline
Formula: K(AlSi3O8)
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Pyrite
Formula: FeS2
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Quartz
Formula: SiO2
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Titanite
Formula: CaTi(SiO4)O
Reference: Stephan Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina
Zircon
Formula: Zr(SiO4)
Reference: Stephen Brewer Harper,1977,The Age and Origin of Granitic Gneisses of the Inner Piedmont,Northwestern North Carolina

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
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] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H ApatiteCa5(PO4)3(Cl/F/OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OOxygen
O MicroclineK(AlSi3O8)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O QuartzSiO2
O ZirconZr(SiO4)
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O ApatiteCa5(PO4)3(Cl/F/OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O TitaniteCaTi(SiO4)O
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AlbiteNa(AlSi3O8)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F FluoriteCaF2
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al MicroclineK(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al AlbiteNa(AlSi3O8)
SiSilicon
Si MicroclineK(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si QuartzSiO2
Si ZirconZr(SiO4)
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si TitaniteCaTi(SiO4)O
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si AlbiteNa(AlSi3O8)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K MicroclineK(AlSi3O8)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca FluoriteCaF2
Ca TitaniteCaTi(SiO4)O
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe PyriteFeS2
ZrZirconium
Zr ZirconZr(SiO4)

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 - Neoproterozoic
251.902 - 1000 Ma



ID: 3190741
Precambrian-Phanerozoic crystalline metamorphic rocks

Age: Neoproterozoic to Triassic (251.902 - 1000 Ma)

Comments: Piedmont

Lithology: Felsic paragneiss; amphibolite grade paragneiss/metavolcanic gneiss

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]

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 2939765
Biotite Gneiss and Schist

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Description: Inequigranular, locally abundant potassic feldspar and garnet; interlayered and gradational with calc-silicate rock, sillimanite-mica schist, mica schist, and amphibolite. Contains small masses of granitic rock.

Comments: Original map source: The North Carolina Dept. of Environment, Health, and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the NC Center for Geographic Information and Analysis, 1998 (updated 2007), Geology - North Carolina (1:250,000)

Lithology: Major:{biotite gneiss,mica schist,calc silicate rock}, Minor:{amphibolite}, Incidental:{granitic}

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


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