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Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UKi
Regional Level Types
Meldon Aplite QuarryQuarry (Abandoned)
Okehampton HamletsCivil Parish
West Devon- not defined -
DevonCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84): 50° 42' 33'' North , 4° 1' 41'' West
Latitude & Longitude (decimal): 50.70917,-4.02833
GeoHash:G#: gcj0kr6dm
UK National Grid Reference:SX568920
Locality type:Quarry (Abandoned) - last checked 2018
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Okehampton7,647 (2018)3.8km
South Zeal912 (2018)8.3km
Exbourne358 (2018)10.4km
Hatherleigh1,518 (2018)12.9km
Beaworthy236 (2018)13.2km


Note on the mineral list:
Highly doubtful occurrences reported by A.W.G. Kingsbury from the Meldon aplite are brandtite, chrysoberyl, danburite, euclase, eucryptite, eudidymite, leucophanite, milarite, priceite, rhodizite, and spodumene.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
British IslesGroup of Islands
Devon and Cornwall metalliferous mining district, England, UKMining District
Dartmoor National Park, Devon, England, UKNational Park
Okehampton Mining District, Devon, England, UKMining District

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


61 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
Formula: Na(AlSi3O8)
Amblygonite
Formula: LiAl(PO4)F
'Amblygonite-Montebrasite Series'
Antimony
Formula: Sb
'Apophyllite'
Arsenic
Formula: As
Arsenolite
Formula: As2O3
Arsenopyrite
Formula: FeAsS
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
Bavenite
Formula: Ca4Be2Al2Si9O26(OH)2
Beryl
Formula: Be3Al2(Si6O18)
Beryllonite
Formula: NaBePO4
Brandtite ?
Formula: Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Chrysoberyl ?
Formula: BeAl2O4
Columbite-(Mn)
Formula: Mn2+Nb2O6
'Columbite-Tantalite'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Danburite ?
Formula: CaB2Si2O8
Datolite
Formula: CaB(SiO4)(OH)
Diopside
Formula: CaMgSi2O6
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Euclase ?
Formula: BeAl(SiO4)(OH)
Eucryptite ?
Formula: LiAlSiO4
Eudidymite ?
Formula: Na2Be2Si6O15 · H2O
'Feldspar Group'
'Feldspar Group var: Perthite'
Fersmite
Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Fluorapatite
Formula: Ca5(PO4)3F
Fluorite
Formula: CaF2
Galenobismutite ?
Formula: PbBi2S4
Grossular
Formula: Ca3Al2(SiO4)3
Hedenbergite
Formula: CaFe2+Si2O6
Herderite
Formula: CaBePO4(F,OH)
'Heulandite subgroup'
'K Feldspar'
Laumontite
Formula: CaAl2Si4O12 · 4H2O
'Lepidolite'
Leucophanite ?
Formula: NaCaBeSi2O6F
Löllingite
Formula: FeAs2
Malayaite
Formula: CaSn(SiO4)O
Marialite
Formula: Na4Al3Si9O24Cl
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Milarite ?
Formula: K2Ca4Al2Be4Si24O60 · H2O
Montebrasite
Formula: LiAl(PO4)(OH)
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Orthoclase
Formula: K(AlSi3O8)
Palygorskite
Formula: (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Petalite
Formula: LiAl(Si4O10)
Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Priceite ?
Formula: Ca2B5O7(OH)5 · H2O
Pyrite
Formula: FeS2
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Rhodizite ?
Formula: (K,Cs)Al4Be4(B,Be)12O28
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Scheelite
Formula: Ca(WO4)
Siderite
Formula: FeCO3
Spodumene ?
Formula: LiAlSi2O6
'Stibiconite'
Formula: Sb3+Sb5+2O6(OH)
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Tantalite-(Mn)
Formula: Mn2+Ta2O6
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
'Verdelite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Wollastonite
Formula: CaSiO3
Zoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Antimony1.CA.05Sb
Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galenobismutite ?2.JC.25ePbBi2S4
Löllingite2.EB.15aFeAs2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Arsenolite4.CB.50As2O3
Chrysoberyl ?4.BA.05BeAl2O4
Columbite-(Mn)4.DB.35Mn2+Nb2O6
Fersmite4.DG.05(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
'Microlite Group'4.00.A2-mTa2X6-wZ-n
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Quartz4.DA.05SiO2
'Stibiconite'4.DH.20Sb3+Sb5+2O6(OH)
Tantalite-(Mn)4.DB.35Mn2+Ta2O6
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Siderite5.AB.05FeCO3
Group 6 - Borates
Priceite ?6.EB.25Ca2B5O7(OH)5 · H2O
Rhodizite ?6.GC.05(K,Cs)Al4Be4(B,Be)12O28
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Amblygonite8.BB.05LiAl(PO4)F
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Beryllonite8.AA.10NaBePO4
Brandtite ?8.CG.10Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
Fluorapatite8.BN.05Ca5(PO4)3F
Herderite8.BA.10CaBePO4(F,OH)
Montebrasite8.BB.05LiAl(PO4)(OH)
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Axinite-(Fe)9.BD.20Ca2Fe2+Al2BSi4O15OH
Bavenite9.DF.25Ca4Be2Al2Si9O26(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Danburite ?9.FA.65CaB2Si2O8
Datolite9.AJ.20CaB(SiO4)(OH)
Diopside9.DA.15CaMgSi2O6
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Euclase ?9.AE.10BeAl(SiO4)(OH)
Eucryptite ?9.AA.05LiAlSiO4
Eudidymite ?9.DG.60Na2Be2Si6O15 · H2O
Grossular9.AD.25Ca3Al2(SiO4)3
Hedenbergite9.DA.15CaFe2+Si2O6
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Leucophanite ?9.DH.05NaCaBeSi2O6F
Malayaite9.AG.15CaSn(SiO4)O
Marialite9.FB.15Na4Al3Si9O24Cl
Milarite ?9.CM.05K2Ca4Al2Be4Si24O60 · H2O
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Palygorskite9.EE.20(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Petalite9.EF.05LiAl(Si4O10)
Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Spodumene ?9.DA.30LiAlSi2O6
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Wollastonite9.DG.05CaSiO3
Zoisite9.BG.10{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
'Amblygonite-Montebrasite Series'-
'Apophyllite'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Heulandite subgroup'-
'K Feldspar'-
'Lepidolite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Antimony1.3.1.2Sb
Arsenic1.3.1.1As
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Löllingite2.12.2.9FeAs2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 2
Galenobismutite ?3.7.9.1PbBi2S4
Group 4 - SIMPLE OXIDES
A2X3
Arsenolite4.3.9.1As2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Chrysoberyl ?7.2.9.1BeAl2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
AB2O6
Columbite-(Mn)8.3.2.4Mn2+Nb2O6
Fersmite8.3.3.1(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Tantalite-(Mn)8.3.2.3Mn2+Ta2O6
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Pentaborates
Priceite ?25.5.1.1Ca2B5O7(OH)5 · H2O
Miscellaneous
Rhodizite ?25.8.2.1(K,Cs)Al4Be4(B,Be)12O28
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Beryllonite38.1.5.1NaBePO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Brandtite ?40.2.3.2Ca2(Mn2+,Mg)(AsO4)2 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite41.5.8.1LiAl(PO4)F
Herderite41.5.4.1CaBePO4(F,OH)
Montebrasite41.5.8.2LiAl(PO4)(OH)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Stibiconite'44.1.1.1Sb3+Sb5+2O6(OH)
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 [4] coordination
Eucryptite ?51.1.1.3LiAlSiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Euclase ?52.2.1.1BeAl(SiO4)(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Malayaite52.4.3.2CaSn(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with No Additional Anions with cations in [8] and lower coordination
Leucophanite ?55.4.2.4NaCaBeSi2O6F
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
Axinite-(Fe)56.2.2.1Ca2Fe2+Al2BSi4O15OH
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Danburite ?56.3.1.1CaB2Si2O8
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)
Zoisite58.2.1b.1{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 63 - CYCLOSILICATES Condensed Rings
Condensed Rings (Milarite - Osumilite group)
Milarite ?63.2.1a.12K2Ca4Al2Be4Si24O60 · H2O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Hedenbergite65.1.3a.2CaFe2+Si2O6
Spodumene ?65.1.4.1LiAlSi2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Wollastonite65.2.1.1cCaSiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Amphiboles - Ca-Na subgroup
Eudidymite ?66.3.1.3Na2Be2Si6O15 · H2O
Group 70 - INOSILICATES Column or Tube Structures
Column or Tube Structures with chains linked by Be
Bavenite70.5.3.1Ca4Be2Al2Si9O26(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with tetrahedral Al cross-linking
Petalite72.6.1.1LiAl(Si4O10)
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Palygorskite74.3.1a.1(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
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)
Orthoclase76.1.1.1K(AlSi3O8)
Al-Si Framework with other Be/Al/Si frameworks
Marialite76.3.1.1Na4Al3Si9O24Cl
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Pollucite77.1.1.2(Cs,Na)2(Al2Si4O12) · 2H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Amblygonite-Montebrasite Series'-
'Apophyllite'-
'Chlorite Group'-
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Heulandite subgroup'-
'K Feldspar'-
'Lepidolite'-
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'Verdelite'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
H BaveniteCa4Be2Al2Si9O26(OH)2
H DatoliteCaB(SiO4)(OH)
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H LaumontiteCaAl2Si4O12 · 4H2O
H MontebrasiteLiAl(PO4)(OH)
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H Pyrochlore GroupA2Nb2(O,OH)6Z
H StibiconiteSb3+Sb25+O6(OH)
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H TopazAl2(SiO4)(F,OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H PrehniteCa2Al2Si3O10(OH)2
H Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
H BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
H EuclaseBeAl(SiO4)(OH)
H EudidymiteNa2Be2Si6O15 · H2O
H MilariteK2Ca4Al2Be4Si24O60 · H2O
H PriceiteCa2B5O7(OH)5 · H2O
LiLithium
Li AmblygoniteLiAl(PO4)F
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li MontebrasiteLiAl(PO4)(OH)
Li PetaliteLiAl(Si4O10)
Li SpodumeneLiAlSi2O6
Li EucryptiteLiAlSiO4
BeBeryllium
Be BaveniteCa4Be2Al2Si9O26(OH)2
Be BerylBe3Al2(Si6O18)
Be BerylloniteNaBePO4
Be HerderiteCaBePO4(F,OH)
Be ChrysoberylBeAl2O4
Be EuclaseBeAl(SiO4)(OH)
Be EudidymiteNa2Be2Si6O15 · H2O
Be MilariteK2Ca4Al2Be4Si24O60 · H2O
Be Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Be LeucophaniteNaCaBeSi2O6F
BBoron
B Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
B DatoliteCaB(SiO4)(OH)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
B DanburiteCaB2Si2O8
B PriceiteCa2B5O7(OH)5 · H2O
B Rhodizite(K,Cs)Al4Be4(B,Be)12O28
CCarbon
C CalciteCaCO3
C SideriteFeCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AlbiteNa(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O ArsenoliteAs2O3
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
O BaveniteCa4Be2Al2Si9O26(OH)2
O BerylBe3Al2(Si6O18)
O BerylloniteNaBePO4
O CalciteCaCO3
O DatoliteCaB(SiO4)(OH)
O DiopsideCaMgSi2O6
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O FluorapatiteCa5(PO4)3F
O HerderiteCaBePO4(F,OH)
O LaumontiteCaAl2Si4O12 · 4H2O
O Columbite-(Mn)Mn2+Nb2O6
O Tantalite-(Mn)Mn2+Ta2O6
O MarialiteNa4Al3Si9O24Cl
O MontebrasiteLiAl(PO4)(OH)
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
O PetaliteLiAl(Si4O10)
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O Pyrochlore GroupA2Nb2(O,OH)6Z
O QuartzSiO2
O ScheeliteCa(WO4)
O StibiconiteSb3+Sb25+O6(OH)
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O TopazAl2(SiO4)(F,OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O PrehniteCa2Al2Si3O10(OH)2
O HedenbergiteCaFe2+Si2O6
O VerdeliteA(D3)G6(T6O18)(BO3)3X3Z
O WollastoniteCaSiO3
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O SideriteFeCO3
O GrossularCa3Al2(SiO4)3
O MalayaiteCaSn(SiO4)O
O Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
O BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
O ChrysoberylBeAl2O4
O DanburiteCaB2Si2O8
O EuclaseBeAl(SiO4)(OH)
O EudidymiteNa2Be2Si6O15 · H2O
O MilariteK2Ca4Al2Be4Si24O60 · H2O
O PriceiteCa2B5O7(OH)5 · H2O
O SpodumeneLiAlSi2O6
O Rhodizite(K,Cs)Al4Be4(B,Be)12O28
O LeucophaniteNaCaBeSi2O6F
O EucryptiteLiAlSiO4
FFluorine
F AmblygoniteLiAl(PO4)F
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
F HerderiteCaBePO4(F,OH)
F TopazAl2(SiO4)(F,OH)2
F Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
F LeucophaniteNaCaBeSi2O6F
NaSodium
Na AlbiteNa(AlSi3O8)
Na BerylloniteNaBePO4
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na MarialiteNa4Al3Si9O24Cl
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Na Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Na EudidymiteNa2Be2Si6O15 · H2O
Na LeucophaniteNaCaBeSi2O6F
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Al BaveniteCa4Be2Al2Si9O26(OH)2
Al BerylBe3Al2(Si6O18)
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al LaumontiteCaAl2Si4O12 · 4H2O
Al MarialiteNa4Al3Si9O24Cl
Al MontebrasiteLiAl(PO4)(OH)
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Al PetaliteLiAl(Si4O10)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al TopazAl2(SiO4)(F,OH)2
Al Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al PrehniteCa2Al2Si3O10(OH)2
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al GrossularCa3Al2(SiO4)3
Al ChrysoberylBeAl2O4
Al EuclaseBeAl(SiO4)(OH)
Al MilariteK2Ca4Al2Be4Si24O60 · H2O
Al SpodumeneLiAlSi2O6
Al Rhodizite(K,Cs)Al4Be4(B,Be)12O28
Al EucryptiteLiAlSiO4
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Si BaveniteCa4Be2Al2Si9O26(OH)2
Si BerylBe3Al2(Si6O18)
Si DatoliteCaB(SiO4)(OH)
Si DiopsideCaMgSi2O6
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si LaumontiteCaAl2Si4O12 · 4H2O
Si MarialiteNa4Al3Si9O24Cl
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Si PetaliteLiAl(Si4O10)
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si QuartzSiO2
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si TopazAl2(SiO4)(F,OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si HedenbergiteCaFe2+Si2O6
Si WollastoniteCaSiO3
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si GrossularCa3Al2(SiO4)3
Si MalayaiteCaSn(SiO4)O
Si DanburiteCaB2Si2O8
Si EuclaseBeAl(SiO4)(OH)
Si EudidymiteNa2Be2Si6O15 · H2O
Si MilariteK2Ca4Al2Be4Si24O60 · H2O
Si SpodumeneLiAlSi2O6
Si LeucophaniteNaCaBeSi2O6F
Si EucryptiteLiAlSiO4
PPhosphorus
P AmblygoniteLiAl(PO4)F
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P BerylloniteNaBePO4
P FluorapatiteCa5(PO4)3F
P HerderiteCaBePO4(F,OH)
P MontebrasiteLiAl(PO4)(OH)
SSulfur
S ArsenopyriteFeAsS
S PyrrhotiteFe7S8
S PyriteFeS2
S ChalcopyriteCuFeS2
S GalenobismutitePbBi2S4
ClChlorine
Cl MarialiteNa4Al3Si9O24Cl
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K MilariteK2Ca4Al2Be4Si24O60 · H2O
K Rhodizite(K,Cs)Al4Be4(B,Be)12O28
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Ca BaveniteCa4Be2Al2Si9O26(OH)2
Ca CalciteCaCO3
Ca DatoliteCaB(SiO4)(OH)
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
Ca HerderiteCaBePO4(F,OH)
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca ScheeliteCa(WO4)
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
Ca HedenbergiteCaFe2+Si2O6
Ca WollastoniteCaSiO3
Ca GrossularCa3Al2(SiO4)3
Ca MalayaiteCaSn(SiO4)O
Ca Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ca BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
Ca DanburiteCaB2Si2O8
Ca MilariteK2Ca4Al2Be4Si24O60 · H2O
Ca PriceiteCa2B5O7(OH)5 · H2O
Ca LeucophaniteNaCaBeSi2O6F
TiTitanium
Ti Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
MnManganese
Mn Columbite-(Mn)Mn2+Nb2O6
Mn Tantalite-(Mn)Mn2+Ta2O6
Mn BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe ArsenopyriteFeAsS
Fe Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe LöllingiteFeAs2
Fe PyrrhotiteFe7S8
Fe HedenbergiteCaFe2+Si2O6
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe SideriteFeCO3
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As ArsenicAs
As ArsenoliteAs2O3
As ArsenopyriteFeAsS
As LöllingiteFeAs2
As BrandtiteCa2(Mn2+,Mg)(AsO4)2 · 2H2O
NbNiobium
Nb Columbite-(Mn)Mn2+Nb2O6
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
Nb Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
SnTin
Sn MalayaiteCaSn(SiO4)O
SbAntimony
Sb AntimonySb
Sb StibiconiteSb3+Sb25+O6(OH)
CsCaesium
Cs Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
CeCerium
Ce Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
TaTantalum
Ta Tantalite-(Mn)Mn2+Ta2O6
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenobismutitePbBi2S4
BiBismuth
Bi GalenobismutitePbBi2S4
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O

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

Carboniferous
298.9 - 358.9 Ma



ID: 2033223
Unnamed Extrusive Rocks, Carboniferous

Age: Carboniferous (298.9 - 358.9 Ma)

Lithology: Mafic tuff

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Late Carboniferous
298.9 - 323.2 Ma



ID: 3156150
Clackmannan Group

Age: Pennsylvanian (298.9 - 323.2 Ma)

Stratigraphic Name: Clackmannan Group

Lithology: Major:{sandstone}, Minor{siltstone,mudstone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Early Carboniferous
323.2 - 358.9 Ma



ID: 3192903
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 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]

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)
Worth, R.H. (1920) The Geology of the Meldon Valleys near Okehampton, on the Northern Verge of Dartmoor. Quarterly Journal of the Geological Society of London, 75, 77-114.
McLintock, W.F.P. (1923) On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Mineralogical Magazine, 20(103), 140-150.
von Knorring, O. (1951) A note on the occurrence of columbite in the Meldon aplite, Devonshire. Mineralogical Magazine, 29, 799-801.
Dearman, W.R. and Claringbull, G.F. (1960) Bavenite from the Meldon aplite quarries, Okehampton, Devonshire. Mineralogical Magazine, 32, 577-578.
Chaudhry, M.N. and Howie, R.A. (1969) Axinites from the Contact Skarns of the Meldon Aplite, Devonshire, England. Mineralogical Magazine, 37, 45-48.
Moss, A. A., Fejer, E. E., and Embrey, P.G. (1969) On the X-ray identification of amblygonite and montebrasite. Mineralogical Magazine, 37, 414–422.
Chaudhry, M.N. and Howie, R.A. (1970) Topaz from the Meldon aplite, Devonshire. Mineralogical Magazine, 37, 717-720.
Chaudry, M.N. (1971) Feldspars from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 38, 179-185.
Chaudhry, M.N. and Howie, R.A. (1973) Lithium aluminium micas from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 39, 289-296.
Chaudhry, M.N. and Howie, R.A. (1973) Muscovite (gilbertite) from the Meldon Aplite. Proceedings of the Ussher Society, 2, 480-481.
Chaudhry, M.N. and Howie, R.A. (1976) Lithium tourmalines from the Meldon aplite, Devonshire, England. Mineralogical Magazine, 40, 747-751.
Symes, R.F. (1977) Datolite and apophyllite from the Mendips. Mineralogical Magazine, 41(319), 410-411. (referring to datolite and apophyllite from the Meldon Aplite Quarry).
Chaudhry, M.N. and Mahmood, A. (1979) Type of distribution of the minerals of the Meldon aplite, Devonshire. Mineralogical Magazine, 43, 307-309.
von Knorring, O. and Condliffe, E. (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48(348), 443-448.
Drysdale, D.J. (1985) Petalite and spodumene in the Meldon Aplite, Devon. Mineralogical Magazine, 49, 758-759. [NOTE: this paper requires careful reading, as Kingsbury samples were used; Andy Tindle].
Ryback, G., Nawaz, R., and Farley, E. (1988) Seventh supplementary list of British Isles minerals (Irish). Mineralogical Magazine, 52(365), 267-274.
Drysdale, D.J. (1991) Lithium aluminium silicate minerals and pollucite from Meldon, Devon and San Piero in Campo, Elba. Papers of the Department of Geology, University of Queensland, 12, 286-293. [NOTE: this paper requires careful reading, as Kingsbury samples were used; Andy Tindle].

Documents

Title (click to view)YearAuthor
On the X-ray identification of amblygonite and montebrasite1969Moss A A, Fejer E E & Embrey P G

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