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Shillong Plateau, Indian Platei
Regional Level Types
Shillong PlateauShield
Indian PlateTectonic Plate

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09348150017361188855400.jpg
Sillimanite

Khasi Hills Division, Meghalaya, India
09348150017361188855400.jpg
Sillimanite

Khasi Hills Division, Meghalaya, India
03123320017271985576083.jpg
Sillimanite

Khasi Hills Division, Meghalaya, India
Type:
Shield
Largest Settlements:
PlacePopulation
Guwahati899,094 (2015)
Dimāpur135,860 (2017)
Shillong132,842 (2014)
Tura63,645 (2014)
Diphu57,097 (2014)
Hāflong39,982 (2014)
Mindat Locality ID:
444433
Long-form identifier:
mindat:1:2:444433:9
GUID (UUID V4):
0


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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

64 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Localities: Reported from at least 7 localities in this region.
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Alkali Feldspar'
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Andradite var. Melanite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 9 localities in this region.
ⓘ Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ⓘ Baddeleyite
Formula: ZrO2
References:
Kumar, D., Mamallan, R., Dwivedy, K.K. (1996) Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158.
Heaman, L. M., Srivastava, R. K., & Sinha, A. K. (2002). A precise U–Pb zircon/baddeleyite age for the Jasra igneous complex, Karbi–Analong District, Assam, NE India. Current Science, 744-748.
Srivastava, R. K., & Sinha, A. K. (2004). Geochemistry of Early Cretaceous alkaline ultramafic-mafic complex from Jasra, Karbi Anglong, Shillong plateau, northeastern India. Gondwana Research, 7(2), 549-561.
Srivastava, R. K., & Sinha, A. K. (2007). Nd and Sr isotope systematics and geochemistry of a plume-related Early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong Plateau, northeastern India. SPECIAL PAPERS-GEOLOGICAL SOCIETY OF AMERICA, 430, 815-830.
Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205
ⓘ 'Barkevikite'
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 7 localities in this region.
ⓘ 'Biotite var. Chromium-bearing Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Calcite
Formula: CaCO3
ⓘ Calcite var. Iron-bearing Calcite
Formula: (Ca,Fe)CO3
ⓘ Cancrinite
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clausthalite
Formula: PbSe
ⓘ Clinohumite
Formula: Mg9(SiO4)4F2
ⓘ 'Clinopyroxene Subgroup'
ⓘ Coffinite
Formula: U(SiO4) · nH2O
ⓘ Corundum
Formula: Al2O3
ⓘ Covellite
Formula: CuS
ⓘ Cuprite
Formula: Cu2O
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dolomite var. Iron-bearing Dolomite
Formula: Ca(Mg,Fe)(CO3)2
ⓘ Enstatite
Formula: Mg2Si2O6
References:
Kumar, D., Mamallan, R., Dwivedy, K.K. (1996) Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158.
Heaman, L. M., Srivastava, R. K., & Sinha, A. K. (2002). A precise U–Pb zircon/baddeleyite age for the Jasra igneous complex, Karbi–Analong District, Assam, NE India. Current Science, 744-748.
Srivastava, R. K., & Sinha, A. K. (2004). Geochemistry of Early Cretaceous alkaline ultramafic-mafic complex from Jasra, Karbi Anglong, Shillong plateau, northeastern India. Gondwana Research, 7(2), 549-561.
Srivastava, R. K., & Sinha, A. K. (2007). Nd and Sr isotope systematics and geochemistry of a plume-related Early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong Plateau, northeastern India. SPECIAL PAPERS-GEOLOGICAL SOCIETY OF AMERICA, 430, 815-830.
Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Ferroselite
Formula: FeSe2
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorite
Formula: CaF2
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Geikielite
Formula: MgTiO3
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
ⓘ Leucite
Formula: K(AlSi2O6)
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 10 localities in this region.
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Marcasite
Formula: FeS2
ⓘ 'Melilite Group'
Formula: Ca2M(XSiO7)
ⓘ 'Mica Group'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Monticellite
Formula: CaMg(SiO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
Localities: Reported from at least 6 localities in this region.
ⓘ Nosean
Formula: Na8(Al6Si6O24)(SO4) · H2O
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Penroseite
Formula: (Ni,Co,Cu)Se2
ⓘ Penroseite var. Cobalt-bearing Penroseite
Formula: (Ni,Co,Cu)Se2
ⓘ Perovskite
Formula: CaTiO3
Localities: Reported from at least 7 localities in this region.
ⓘ 'Petrified Wood'
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 6 localities in this region.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 8 localities in this region.
ⓘ Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
ⓘ Rutile
Formula: TiO2
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ 'Scapolite'
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Sodalite
Formula: Na4(Si3Al3)O12Cl
ⓘ 'Sodic amphibole'
ⓘ 'Sodic plagioclase'
References:
Kumar, D., Mamallan, R., Dwivedy, K.K. (1996) Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158.
Heaman, L. M., Srivastava, R. K., & Sinha, A. K. (2002). A precise U–Pb zircon/baddeleyite age for the Jasra igneous complex, Karbi–Analong District, Assam, NE India. Current Science, 744-748.
Srivastava, R. K., & Sinha, A. K. (2004). Geochemistry of Early Cretaceous alkaline ultramafic-mafic complex from Jasra, Karbi Anglong, Shillong plateau, northeastern India. Gondwana Research, 7(2), 549-561.
Srivastava, R. K., & Sinha, A. K. (2007). Nd and Sr isotope systematics and geochemistry of a plume-related Early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong Plateau, northeastern India. SPECIAL PAPERS-GEOLOGICAL SOCIETY OF AMERICA, 430, 815-830.
Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205
ⓘ Sphalerite
Formula: ZnS
ⓘ Spinel
Formula: MgAl2O4
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Titanite
Formula: CaTi(SiO4)O
Localities: Reported from at least 6 localities in this region.
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Uraninite
Formula: UO2
ⓘ Uraninite var. Pitchblende
Formula: UO2
ⓘ Wagnerite
Formula: Mg2(PO4)F
ⓘ Wollastonite
Formula: Ca3(Si3O9)
ⓘ 'Zeolite Group'
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zirconolite
Formula: CaZrTi2O7
References:
Kumar, D., Mamallan, R., Dwivedy, K.K. (1996) Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158.
Heaman, L. M., Srivastava, R. K., & Sinha, A. K. (2002). A precise U–Pb zircon/baddeleyite age for the Jasra igneous complex, Karbi–Analong District, Assam, NE India. Current Science, 744-748.
Srivastava, R. K., & Sinha, A. K. (2004). Geochemistry of Early Cretaceous alkaline ultramafic-mafic complex from Jasra, Karbi Anglong, Shillong plateau, northeastern India. Gondwana Research, 7(2), 549-561.
Srivastava, R. K., & Sinha, A. K. (2007). Nd and Sr isotope systematics and geochemistry of a plume-related Early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong Plateau, northeastern India. SPECIAL PAPERS-GEOLOGICAL SOCIETY OF AMERICA, 430, 815-830.
Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘClausthalite2.CD.10PbSe
ⓘPenroseite2.EB.05a(Ni,Co,Cu)Se2
ⓘPyrite2.EB.05aFeS2
ⓘPenroseite
var. Cobalt-bearing Penroseite		2.EB.05a(Ni,Co,Cu)Se2
ⓘFerroselite2.EB.10aFeSe2
ⓘMarcasite2.EB.10aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘCuprite4.AA.10Cu2O
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘCorundum4.CB.05Al2O3
ⓘGeikielite4.CB.05MgTiO3
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘPerovskite4.CC.30CaTiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘBaddeleyite4.DE.35ZrO2
ⓘZirconolite4.DH.30CaZrTi2O7
ⓘUraninite
var. Pitchblende		4.DL.05UO2
ⓘ4.DL.05UO2
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘvar. Iron-bearing Calcite5.AB.05(Ca,Fe)CO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘvar. Iron-bearing Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘWagnerite8.BB.15Mg2(PO4)F
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘMonticellite9.AC.10CaMg(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘvar. Melanite9.AD.25Ca3Fe3+2(SiO4)3
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘClinohumite9.AF.55Mg9(SiO4)4F2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘKornerupine9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAugite
var. Titanium-bearing Augite		9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘTremolite9.DE.10â—ŧCa2Mg5(Si8O22)(OH)2
ⓘRichterite9.DE.20Na(NaCa)Mg5(Si8O22)(OH)2
ⓘArfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAnnite9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘCancrinite9.FB.05(Na,Ca,â—ŧ)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ⓘNosean9.FB.10Na8(Al6Si6O24)(SO4) · H2O
ⓘSodalite9.FB.10Na4(Si3Al3)O12Cl
ⓘ'Zeolite Group'9.G0.
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘLeucite9.GB.05K(AlSi2O6)
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Barkevikite'-
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Mica Group'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Petrified Wood'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Scapolite'-
ⓘ'Hornblende Root Name Group'-â—ŧCa2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Biotite
var. Chromium-bearing Biotite'		-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Melilite Group'-Ca2M(XSiO7)
ⓘ'Sodic amphibole'-
ⓘ'Sodic plagioclase'-

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ AnniteKFe32+(AlSi3O10)(OH)2
Hⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ BruciteMg(OH)2
Hⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Cⓘ DolomiteCaMg(CO3)2
Cⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
Cⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnniteKFe32+(AlSi3O10)(OH)2
Oⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BaddeleyiteZrO2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BruciteMg(OH)2
Oⓘ CalciteCaCO3
Oⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Oⓘ ClinohumiteMg9(SiO4)4F2
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ CorundumAl2O3
Oⓘ CupriteCu2O
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ EnstatiteMg2Si2O6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GeikieliteMgTiO3
Oⓘ GoethiteFe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ HercyniteFe2+Al2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Oⓘ LeuciteK(AlSi2O6)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ MonticelliteCaMg(SiO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ Uraninite var. PitchblendeUO2
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Oⓘ RutileTiO2
Oⓘ SanidineK(AlSi3O8)
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SodaliteNa4(Si3Al3)O12Cl
Oⓘ SpinelMgAl2O4
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ UraniniteUO2
Oⓘ WagneriteMg2(PO4)F
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ ZirconZr(SiO4)
Oⓘ ZirconoliteCaZrTi2O7
Oⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Oⓘ Fayalite-Forsterite Series
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
Oⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Oⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Melilite GroupCa2M(XSiO7)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ClinohumiteMg9(SiO4)4F2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ WagneriteMg2(PO4)F
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Naⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Naⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Naⓘ SodaliteNa4(Si3Al3)O12Cl
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ BruciteMg(OH)2
Mgⓘ ClinohumiteMg9(SiO4)4F2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ GeikieliteMgTiO3
Mgⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mgⓘ MonticelliteCaMg(SiO4)
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Mgⓘ SpinelMgAl2O4
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ WagneriteMg2(PO4)F
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Mgⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ AnniteKFe32+(AlSi3O10)(OH)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Alⓘ CorundumAl2O3
Alⓘ HercyniteFe2+Al2O4
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Alⓘ LeuciteK(AlSi2O6)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ SanidineK(AlSi3O8)
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SodaliteNa4(Si3Al3)O12Cl
Alⓘ SpinelMgAl2O4
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ AnniteKFe32+(AlSi3O10)(OH)2
Siⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Siⓘ ClinohumiteMg9(SiO4)4F2
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ KornerupineMg3Al6(Si,Al,B)5O21(OH)
Siⓘ LeuciteK(AlSi2O6)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MonticelliteCaMg(SiO4)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Siⓘ SanidineK(AlSi3O8)
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ SodaliteNa4(Si3Al3)O12Cl
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ ZirconZr(SiO4)
Siⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Siⓘ Fayalite-Forsterite Series
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Melilite GroupCa2M(XSiO7)
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Monazite GroupREE(PO4)
Pⓘ WagneriteMg2(PO4)F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ MarcasiteFeS2
Sⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ SodaliteNa4(Si3Al3)O12Cl
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ AnniteKFe32+(AlSi3O10)(OH)2
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ LeuciteK(AlSi2O6)
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ SanidineK(AlSi3O8)
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Kⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ MonticelliteCaMg(SiO4)
Caⓘ PerovskiteCaTiO3
Caⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ ZirconoliteCaZrTi2O7
Caⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
Caⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Caⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Melilite GroupCa2M(XSiO7)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ GeikieliteMgTiO3
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PerovskiteCaTiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ ZirconoliteCaZrTi2O7
Tiⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ AnniteKFe32+(AlSi3O10)(OH)2
Feⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ FerroseliteFeSe2
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Feⓘ Fayalite-Forsterite Series
Feⓘ Biotite var. Chromium-bearing BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Calcite var. Iron-bearing Calcite(Ca,Fe)CO3
Feⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Feⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
CoCobalt
Coⓘ Penroseite(Ni,Co,Cu)Se2
Coⓘ Penroseite var. Cobalt-bearing Penroseite(Ni,Co,Cu)Se2
NiNickel
Niⓘ Penroseite(Ni,Co,Cu)Se2
Niⓘ Penroseite var. Cobalt-bearing Penroseite(Ni,Co,Cu)Se2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ CupriteCu2O
Cuⓘ Penroseite(Ni,Co,Cu)Se2
Cuⓘ Penroseite var. Cobalt-bearing Penroseite(Ni,Co,Cu)Se2
ZnZinc
Znⓘ SphaleriteZnS
SeSelenium
Seⓘ ClausthalitePbSe
Seⓘ FerroseliteFeSe2
Seⓘ Penroseite(Ni,Co,Cu)Se2
Seⓘ Penroseite var. Cobalt-bearing Penroseite(Ni,Co,Cu)Se2
ZrZirconium
Zrⓘ BaddeleyiteZrO2
Zrⓘ ZirconZr(SiO4)
Zrⓘ ZirconoliteCaZrTi2O7
NbNiobium
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ ClausthalitePbSe
ThThorium
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ CoffiniteU(SiO4) · nH2O
Uⓘ Uraninite var. PitchblendeUO2
Uⓘ UraniniteUO2

Geochronology

Mineralization age: Neochaotian to Cretaceous : ~4600 Ma to 105 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Mesozoic
  Cretaceous
   Early/Lower Cretaceous
ⓘ Apatite105 MaSamchampi, Samchampi-Samteran alkaline igneous complex, East Karbi Anglong District, Assam, India
ⓘ Baddeleyite105.2 ± 0.5 MaJasra, West Karbi Anglong District, Assam, India
ⓘ Zircon105.2 ± 0.5 MaJasra, West Karbi Anglong District, Assam, India
ⓘ Perovskite (youngest age)106 ± 11 MaSung Valley complex, East Khasi Hills District, Meghalaya, India
ⓘ Lamprophyre107 ± 4 MaSwangkre, West Khasi Hills District, Meghalaya, India
ⓘ Pyroxenite107.2 ± 0.8 MaSung Valley complex, East Khasi Hills District, Meghalaya, India
ⓘ Perovskite (oldest age)115.1 ± 5.1 MaSung Valley complex, East Khasi Hills District, Meghalaya, India
ⓘ Carbonatite134 ± 20 MaSung Valley complex, East Khasi Hills District, Meghalaya, India
  Jurassic
   Late Jurassic
ⓘ Phlogopite149 MaSung Valley complex, East Khasi Hills District, Meghalaya, India
    
 
Precambrian
ⓘ GneissPrecambrian
(541 - 4600 Ma)		Nongcharam-Darugiri area, East Garo Hills District, Meghalaya, India
 Archean
ⓘ Granitic gneissArchean
(2500 - 4000 Ma)		Samchampi, Samchampi-Samteran alkaline igneous complex, East Karbi Anglong District, Assam, India
  

Fossils

There are 93 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences93
Youngest Fossil Listed16.0 Ma (Miocene)
Oldest Fossil Listed72.1 Ma (Late/Upper Cretaceous)
Stratigraphic UnitsClick here to view 11 stratigraphic units.
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Assilina
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Nummulitidae : Assilina59.2 - 47.8 Ma
Paleogene
Glomalveolina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Alveolinidae : Glomalveolina59.2 - 47.8 Ma
Paleogene
Idalina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Hauerinidae : Idalina59.2 - 47.8 Ma
Paleogene
Lockhartia
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Rotaliidae : Lockhartia59.2 - 47.8 Ma
Paleogene
Miscellanea
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Miscellaneidae : Miscellanea59.2 - 47.8 Ma
Paleogene
Nummulites
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Nummulitidae : Nummulites48.6 - 37.2 Ma
Eocene
Operculina
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Nummulitidae : Operculina59.2 - 47.8 Ma
Paleogene
Periloculina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Fabulariidae : Periloculina59.2 - 47.8 Ma
Paleogene
Quinqueloculina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Hauerinidae : Quinqueloculina59.2 - 47.8 Ma
Paleogene
Ranikothalia
genus		Chromista : Foraminifera : Globothalamea : Rotaliida : Nummulitidae : Ranikothalia59.2 - 47.8 Ma
Paleogene
Spiroloculina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Spiroloculinidae : Spiroloculina59.2 - 47.8 Ma
Paleogene
Triloculina
genus		Chromista : Foraminifera : Tubothalamea : Miliolida : Hauerinidae : Triloculina59.2 - 47.8 Ma
Paleogene
Anthozoa
class		Animalia : Cnidaria : Anthozoa48.6 - 37.2 Ma
Eocene
Protula
genus		Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Protula23.03 - 15.97 Ma
Miocene
Serpula
genus		Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Serpula23.03 - 15.97 Ma
Miocene
Gastropoda
class		Animalia : Mollusca : Gastropoda48.6 - 37.2 Ma
Eocene
Natica
genus		Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Natica48.6 - 15.97 Ma
Cenozoic
Terebellum
genus		Animalia : Mollusca : Gastropoda : Littorinimorpha : Seraphsidae : Terebellum48.6 - 37.2 Ma
Eocene
Turritella
genus		Animalia : Mollusca : Gastropoda : Turritellidae : Turritella48.6 - 15.97 Ma
Cenozoic
Busycon
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Busycon23.03 - 15.97 Ma
Miocene
Conus
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Conidae : Conus48.6 - 15.97 Ma
Cenozoic
Duplicaria
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Duplicaria23.03 - 15.97 Ma
Miocene
Mitra
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Mitridae : Mitra23.03 - 15.97 Ma
Miocene
Siphonalia
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Siphonalia23.03 - 15.97 Ma
Miocene
Terebra
genus		Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Terebra23.03 - 15.97 Ma
Miocene
Architectonica
genus		Animalia : Mollusca : Gastropoda : Architectonicidae : Architectonica23.03 - 15.97 Ma
Miocene
Bivalvia
class		Animalia : Mollusca : Bivalvia48.6 - 37.2 Ma
Eocene
Anadara
genus		Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Anadara23.03 - 15.97 Ma
Miocene
Trisidos
genus		Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Trisidos23.03 - 15.97 Ma
Miocene
Mytilus
genus		Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus23.03 - 15.97 Ma
Miocene
Pinna
genus		Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Pinna23.03 - 15.97 Ma
Miocene
Chlamys
genus		Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys23.03 - 15.97 Ma
Miocene
Ostrea
genus		Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostraea23.03 - 15.97 Ma
Miocene
Apolymetis
genus		Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Apolymetis23.03 - 15.97 Ma
Miocene
Astarte
genus		Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Astarte23.03 - 15.97 Ma
Miocene
Cardium
genus		Animalia : Mollusca : Bivalvia : Cardium48.6 - 15.97 Ma
Cenozoic
Donax
genus		Animalia : Mollusca : Bivalvia : Cardiida : Donacidae : Donax23.03 - 15.97 Ma
Miocene
Macrocallista
genus		Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Macrocallista23.03 - 15.97 Ma
Miocene
Mactra
genus		Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactra23.03 - 15.97 Ma
Miocene
Solena
genus		Animalia : Mollusca : Bivalvia : Adapedonta : Solenidae : Solena23.03 - 15.97 Ma
Miocene
Callianassa
genus		Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa48.6 - 37.2 Ma
Eocene
Galenopsis
genus		Animalia : Arthropoda : Malacostraca : Decapoda : Pilumnidae : Galenopsis48.6 - 37.2 Ma
Eocene
Echinolampas
genus		Animalia : Echinodermata : Echinoidea : Echinolampadoida : Echinolampadidae : Echinolampas48.6 - 37.2 Ma
Eocene
Dasyatis
genus		Animalia : Chordata : Elasmobranchii : Myliobatiformes : Dasyatidae : Dasyatis48.6 - 37.2 Ma
Eocene
Cetacea
order		Animalia : Chordata : Mammalia : Cetacea48.6 - 37.2 Ma
Eocene
Dinosauria
order		Animalia : Chordata : Reptilia : Dinosauria72.1 - 66 Ma
Late/Upper Cretaceous
Mesophyllum
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : Mesophyllum59.2 - 47.8 Ma
Paleogene
Lithophyllum
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Lithophyllum66 - 37.2 Ma
Paleogene
Sporolithon
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Sporolithaceae : Sporolithon66 - 41.3 Ma
Paleogene
Lithothamnion
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : Lithothamnion59.2 - 37.2 Ma
Paleogene
Spongites
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Spongites47.8 - 33.9 Ma
Paleogene
Lithoporella
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Lithoporella47.8 - 41.3 Ma
Eocene
Halimeda
genus		Plantae : Chlorophyta : Ulvophyceae : Bryopsidales : Halimedaceae : Halimeda55.8 - 37.2 Ma
Eocene
Corallina
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Corallina55.8 - 37.2 Ma
Eocene
Actinoporella
genus		Plantae : Chlorophyta : Ulvophyceae : Dasycladales : Dasycladaceae : Actinoporella47.8 - 41.3 Ma
Eocene
Jania
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Jania66 - 48.6 Ma
Paleogene
Neptunus
genus		Animalia : Arthropoda : Malacostraca : Decapoda : Portunidae : Neptunus37.2 - 33.9 Ma
Paleogene
Melobesioideae
subfamily		Plantae : Rhodophyta : Rhodophyceae : Corallinales : Hapalidiaceae : Melobesioideae59.2 - 33.9 Ma
Paleogene
Kapalmerella ranikoti
species		Animalia : Mollusca : Gastropoda : Sorbeoconcha : Turritellidae : Kapalmerella : Kapalmerella ranikoti23.03 - 15.97 Ma
Miocene
Foraminifera
phylum		Chromista : Foraminifera48.6 - 37.2 Ma
Eocene
Selachii
unranked clade		Animalia : Chordata : Chondrichthyes : Selachii48.6 - 37.2 Ma
Eocene
Biloculina
genus		Foraminifera : Biloculina59.2 - 47.8 Ma
Paleogene
Miltha
genus		Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Miltha23.03 - 15.97 Ma
Miocene
Lithoporella melobesioides
species		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Lithoporella : Lithoporella melobesioides38 - 33.9 Ma
Paleogene
Oliva (Strephona) australis
species		Animalia : Mollusca : Gastropoda : Neogastropoda : Olividae : Oliva : Oliva (Strephona) australis23.03 - 15.97 Ma
Miocene
Myurella reticulata
species		Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : Terebra : Myurella reticulata23.03 - 15.97 Ma
Miocene
Echinoidea
class		Animalia : Echinodermata : Echinoidea48.6 - 37.2 Ma
Eocene
Phymatolithon
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Hapalidiaceae : Phymatolithon59.2 - 47.8 Ma
Paleogene
Distichoplax
genus		Plantae : Rhodophyta : Florideophyceae : Corallinales : Corallinaceae : Distichoplax66 - 48.6 Ma
Paleogene
Sporolithon gunteri
species		Plantae : Rhodophyta : Florideophyceae : Corallinales : Sporolithaceae : Sporolithon : Sporolithon gunteri38 - 33.9 Ma
Paleogene
Ovulites
genus		Plantae : Chlorophyta : Ulvophyceae : Bryopsidales : Codiaceae : Ovulites55.8 - 37.2 Ma
Eocene
Palaeocarpilius bispinosus
species		Animalia : Arthropoda : Malacostraca : Decapoda : Carpiliidae : Palaeocarpilius : Palaeocarpilius bispinosus48.6 - 37.2 Ma
Eocene
Fossil LocalitiesClick to show 11 fossil localities

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