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Granite Mountain Quarry #1, Granite Mountain Area, Little Rock, Pulaski Co., Arkansas, USAi
Regional Level Types
Granite Mountain Quarry #1- not defined -
Granite Mountain AreaArea
Little Rock- not defined -
Pulaski Co.County
ArkansasState
USACountry

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Latitude & Longitude (WGS84): 34° 41' 11'' North , 92° 14' 34'' West
Latitude & Longitude (decimal): 34.68652,-92.24266
GeoHash:G#: 9ynmkfqzw
USGS MRDS Record:10114462
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Sweet Home849 (2017)0.0km
College Station600 (2017)3.1km
Little Rock197,992 (2017)7.9km
North Little Rock66,504 (2017)9.5km
Wrightsville2,260 (2017)9.7km



Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


18 valid minerals.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Colour: dark green
Reference: Tschernich, R. (1992): Zeolites of the World, 64
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Analcime
Formula: Na(AlSi2O6) · H2O
Habit: trapazohedra to 3cm in diameter
Colour: brilliant colorless to white
Description: some crystals contain kaolinite inclusions
Reference: Tschernich, R. (1992): Zeolites of the World, 64
'Apophyllite'
Reference: Tschernich, R. (1992): Zeolites of the World, 64
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Sauktown Sales
Barwoodite
Formula: Mn2+6Nb5+(SiO4)2O3(OH)3
Reference: Steve Stuart collection- collected by Jim Stoops in July 2017. Found by Steve Stuart in material Jim pit on the giveaway tables at the SE Mineralogists Winter Gathering on Feb 2018. Analyzed with EDS by KGD Minerals, Ottawa, Ontario.
Calcite
Formula: CaCO3
Reference: Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Catapleiite
Formula: Na2Zr(Si3O9) · 2H2O
Reference: Steve Stuart collection and image; Jason B. Smith image
'Chabazite'
Reference: No reference listed
'Chlorite Group'
Reference: No reference listed
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Tschernich, R. (1992): Zeolites of the World, 64
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Tschernich, R. (1992): Zeolites of the World, 64
'Heulandite subgroup'
Colour: deep red
Reference: Tschernich, R. (1992): Zeolites of the World, 64
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Tschernich, R. (1992): Zeolites of the World, 64
'K Feldspar'
Reference: Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Låvenite
Formula: (Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Reference: Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Tschernich, R. (1992): Zeolites of the World, 64
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Tschernich, R. (1992): Zeolites of the World, 64
Parisite-(Ce)
Formula: CaCe2(CO3)3F2
Reference: Rocks and Minerals, (2000) 75:250-252
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Sauktown Sales
Pyrite
Formula: FeS2
Reference: No reference listed
Pyrophanite
Formula: Mn2+TiO3
Reference: No reference listed
'Stilbite subgroup'
Colour: amber-brown
Reference: Tschernich, R. (1992): Zeolites of the World, 64; Barwood, H. (2015) Field Trip Report Various Arkansas collection sites . Midwest Chapter Newsletter Volume 29 No.6:5-6
Titanite
Formula: CaTi(SiO4)O
Reference: No reference listed

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Pyrophanite4.CB.05Mn2+TiO3
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Parisite-(Ce)5.BD.20bCaCe2(CO3)3F2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Analcime9.GB.05Na(AlSi2O6) · H2O
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Catapleiite9.CA.15Na2Zr(Si3O9) · 2H2O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Låvenite9.BE.17(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apophyllite'-
Barwoodite-Mn2+6Nb5+(SiO4)2O3(OH)3
'Chabazite'-
'Chlorite Group'-
'Heulandite subgroup'-
'K Feldspar'-
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Pyrophanite4.3.5.3Mn2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Parisite-(Ce)16a.1.5.1CaCe2(CO3)3F2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
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 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Låvenite56.2.4.4(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 59 - CYCLOSILICATES Three-Membered Rings
Three-Membered Rings, hydrated
Catapleiite59.2.2.1Na2Zr(Si3O9) · 2H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
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
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apophyllite'-
Barwoodite-Mn2+6Nb5+(SiO4)2O3(OH)3
'Chabazite'-
'Chlorite Group'-
'Heulandite subgroup'-
'K Feldspar'-
Kaolinite-Al2(Si2O5)(OH)4
'Stilbite subgroup'-

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H AnalcimeNa(AlSi2O6) · H2O
H KaoliniteAl2(Si2O5)(OH)4
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H NatroliteNa2Al2Si3O10 · 2H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
H CatapleiiteNa2Zr(Si3O9) · 2H2O
H BarwooditeMn62+Nb5+(SiO4)2O3(OH)3
CCarbon
C CalciteCaCO3
C Parisite-(Ce)CaCe2(CO3)3F2
OOxygen
O AegirineNaFe3+Si2O6
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O AnalcimeNa(AlSi2O6) · H2O
O CalciteCaCO3
O PyrophaniteMn2+TiO3
O TitaniteCaTi(SiO4)O
O KaoliniteAl2(Si2O5)(OH)4
O NephelineNa3K(Al4Si4O16)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O FluorapatiteCa5(PO4)3F
O NatroliteNa2Al2Si3O10 · 2H2O
O Parisite-(Ce)CaCe2(CO3)3F2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
O MagnetiteFe2+Fe23+O4
O CatapleiiteNa2Zr(Si3O9) · 2H2O
O BarwooditeMn62+Nb5+(SiO4)2O3(OH)3
FFluorine
F FluorapatiteCa5(PO4)3F
F Parisite-(Ce)CaCe2(CO3)3F2
F Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
NaSodium
Na AegirineNaFe3+Si2O6
Na AnalcimeNa(AlSi2O6) · H2O
Na NephelineNa3K(Al4Si4O16)
Na NatroliteNa2Al2Si3O10 · 2H2O
Na Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Na CatapleiiteNa2Zr(Si3O9) · 2H2O
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al KaoliniteAl2(Si2O5)(OH)4
Al NephelineNa3K(Al4Si4O16)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al NatroliteNa2Al2Si3O10 · 2H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si AegirineNaFe3+Si2O6
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si AnalcimeNa(AlSi2O6) · H2O
Si TitaniteCaTi(SiO4)O
Si KaoliniteAl2(Si2O5)(OH)4
Si NephelineNa3K(Al4Si4O16)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si NatroliteNa2Al2Si3O10 · 2H2O
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Si CatapleiiteNa2Zr(Si3O9) · 2H2O
Si BarwooditeMn62+Nb5+(SiO4)2O3(OH)3
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
KPotassium
K NephelineNa3K(Al4Si4O16)
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca TitaniteCaTi(SiO4)O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluorapatiteCa5(PO4)3F
Ca Parisite-(Ce)CaCe2(CO3)3F2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
TiTitanium
Ti PyrophaniteMn2+TiO3
Ti TitaniteCaTi(SiO4)O
Ti Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
MnManganese
Mn PyrophaniteMn2+TiO3
Mn Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Mn BarwooditeMn62+Nb5+(SiO4)2O3(OH)3
FeIron
Fe AegirineNaFe3+Si2O6
Fe PyriteFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Fe MagnetiteFe2+Fe23+O4
ZrZirconium
Zr Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Zr CatapleiiteNa2Zr(Si3O9) · 2H2O
NbNiobium
Nb Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Nb BarwooditeMn62+Nb5+(SiO4)2O3(OH)3
CeCerium
Ce Parisite-(Ce)CaCe2(CO3)3F2

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

Cenozoic
0 - 66 Ma



ID: 3186031
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 66 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]

Early Eocene
47.8 - 56 Ma



ID: 2970711
Wilcox Group

Age: Eocene (47.8 - 56 Ma)

Stratigraphic Name: Flour Island Formation; Fort Pillow Sand; Old Breastworks Formation; Berger Formation

Description: Mainly interbedded sand, argillaceous sand, silt, clay, gravel and lignite. Approximate thickness is 1200 ft. in the Mississippi Embayment. Cyclic marine-nonmarine units formed in a fluvial-deltatic system. Some bauxite production in the Berger FM

Comments: Original map source: Haley, B.R., Queen, J.E., and Green, G.N., United States Geological Survey Special Publication, 2000, The Geologic map of Arkansas, scale 1:500,000.

Lithology: Major:{sand,fine alluvium}, Minor:{gravel,coal}

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

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tschernich, R. (1992): Zeolites of the World, 64


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