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Jasra, West Karbi Anglong District, Assam, Indiai
Regional Level Types
JasraComplex
West Karbi Anglong DistrictDistrict
AssamState
IndiaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
26° 0' North , 92° 31' East
Latitude & Longitude (decimal):
26.00000,92.51667
GeoHash:
G#: wh9gcm0sf
GRN:
N18E59
Locality type:
Complex
KΓΆppen climate type:
Cwa : Monsoon-influenced humid subtropical climate


The Complex intrudes Late Proterozoic granitoids and metasediments and is shaped like an hour glass with max dimensions of c.3x4km. About 30% of the complex is obscured by soil.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals.

Rock Types Recorded

Note: 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:

β“˜ Aegirine
Formula: NaFe3+Si2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Alkali Feldspar'
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Baddeleyite
Formula: ZrO2
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Calcite
Formula: CaCO3
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Clinopyroxene Subgroup'
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Diopside
Formula: CaMgSi2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Enstatite
Formula: Mg2Si2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Fayalite-Forsterite Series'
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.; 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Nepheline
Formula: Na3K(Al4Si4O16)
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Perovskite
Formula: CaTiO3
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Pyroxene Group'
Formula: ADSi2O6
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Sodalite
Formula: Na4(Si3Al3)O12Cl
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Sodic plagioclase'
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Titanite
Formula: CaTi(SiO4)O
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.; 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ 'Zeolite Group'
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Zircon
Formula: Zr(SiO4)
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.
β“˜ Zirconolite
Formula: CaZrTi2O7
Reference: 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. Kumar, D., Mamallan, R., & Dwivedy, K. K. (1996). Carbonatite magmatism in northeast India. Journal of Southeast Asian Earth Sciences, 13(2), 145-158. 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. 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.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Baddeleyite4.DE.35ZrO2
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Perovskite4.CC.30CaTiO3
β“˜Zirconolite4.DH.30CaZrTi2O7
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Aegirine9.DA.25NaFe3+Si2O6
β“˜Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
β“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Enstatite9.DA.05Mg2Si2O6
β“˜Nepheline9.FA.05Na3K(Al4Si4O16)
β“˜Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
β“˜Sodalite9.FB.10Na4(Si3Al3)O12Cl
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜'Zeolite Group'9.G0.
β“˜Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
β“˜'Alkali Feldspar'-
β“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
β“˜'Clinopyroxene Subgroup'-
β“˜'Fayalite-Forsterite Series'-
β“˜'Garnet Group'-X3Z2(SiO4)3
β“˜'Pyroxene Group'-ADSi2O6
β“˜'Sodic plagioclase'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Hβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ PerovskiteCaTiO3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ EnstatiteMg2Si2O6
Oβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Oβ“˜ NephelineNa3K(Al4Si4O16)
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ CalciteCaCO3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ Pyroxene GroupADSi2O6
Oβ“˜ SodaliteNa4(Si3Al3)O12Cl
Oβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oβ“˜ BaddeleyiteZrO2
Oβ“˜ ZirconoliteCaZrTi2O7
Oβ“˜ AegirineNaFe3+Si2O6
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oβ“˜ Garnet GroupX3Z2(SiO4)3
Oβ“˜ ZirconZr(SiO4)
FFluorine
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Fβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
NaSodium
Naβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naβ“˜ NephelineNa3K(Al4Si4O16)
Naβ“˜ SodaliteNa4(Si3Al3)O12Cl
Naβ“˜ AegirineNaFe3+Si2O6
MgMagnesium
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ EnstatiteMg2Si2O6
Mgβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
AlAluminium
Alβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Alβ“˜ NephelineNa3K(Al4Si4O16)
Alβ“˜ SodaliteNa4(Si3Al3)O12Cl
Alβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
SiSilicon
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ EnstatiteMg2Si2O6
Siβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Siβ“˜ NephelineNa3K(Al4Si4O16)
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Pyroxene GroupADSi2O6
Siβ“˜ SodaliteNa4(Si3Al3)O12Cl
Siβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siβ“˜ AegirineNaFe3+Si2O6
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siβ“˜ Garnet GroupX3Z2(SiO4)3
Siβ“˜ ZirconZr(SiO4)
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Clβ“˜ SodaliteNa4(Si3Al3)O12Cl
Clβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Kβ“˜ NephelineNa3K(Al4Si4O16)
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
CaCalcium
Caβ“˜ PerovskiteCaTiO3
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ CalciteCaCO3
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Caβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caβ“˜ ZirconoliteCaZrTi2O7
TiTitanium
Tiβ“˜ PerovskiteCaTiO3
Tiβ“˜ TitaniteCaTi(SiO4)O
Tiβ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiβ“˜ ZirconoliteCaZrTi2O7
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
FeIron
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feβ“˜ AegirineNaFe3+Si2O6
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
ZrZirconium
Zrβ“˜ BaddeleyiteZrO2
Zrβ“˜ ZirconoliteCaZrTi2O7
Zrβ“˜ ZirconZr(SiO4)

Geochronology

Mineralization age: Early/Lower Cretaceous : 105.2 Β± 0.5 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
β“˜ Baddeleyite105.2 Β± 0.5 Ma
β“˜ Zircon105.2 Β± 0.5 Ma

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Woolley, A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. Geological Society, 384 pages, at p.96.
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.
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.
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.

Other Regions, Features and Areas containing this locality

AsiaContinent
Indian Plate (India Plate)Tectonic Plate

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