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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.

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Year2004
Original EntrySrivastava, 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.
Mindat Ref. ID16084345Long-form Identifiermindat:1:5:16084345:9
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Full ReferenceSrivastava, 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.
Plain TextSrivastava, 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.

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Jasra, West Karbi Anglong District, Assam, India

Mineral Occurrences

LocalityMineral(s)
Jasra, West Karbi Anglong District, Assam, Indiaā“˜ Aegirine, ā“˜ Aegirine-augite, ā“˜ Alkali Feldspar, ā“˜ Amphibole Supergroup, ā“˜ Apatite, ā“˜ Augite, ā“˜ Baddeleyite, ā“˜ Biotite, ā“˜ Calcite, ā“˜ Carbonatite, ā“˜ Clinopyroxene Subgroup, ā“˜ Diopside, ā“˜ Enstatite, ā“˜ Fayalite-Forsterite Series, ā“˜ Fenite, ā“˜ Garnet Group, ā“˜ Ijolite, ā“˜ Magnetite, ā“˜ Melanocratic nephelinolite, ā“˜ Nepheline, ā“˜ Nepheline-syenite, ā“˜ Olivine-gabbro, ā“˜ Perovskite, ā“˜ Phlogopite, ā“˜ Pyroxene Group, ā“˜ Pyroxenite, ā“˜ Shonkinite, ā“˜ Sodalite, ā“˜ Sodic plagioclase, ā“˜ Syenite, ā“˜ SĆøvite, ā“˜ Titanite, ā“˜ Zeolite Group, ā“˜ Zircon, ā“˜ Zirconolite

See Also

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Srivastava, Rajesh K., Sinha, Anup K. (2004) Geochemistry of Early Cretaceous Alkaline Ultramafic-Mafic Complex from Jasra, Karbi Anglong, Shillong Plateau, Northeastern India. Gondwana Research, 7 (2) 549-561 doi:10.1016/s1342-937x(05)70805-4
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.
Srivastava, Rajesh K., Sinha, A. K. (2004) Early Cretaceous Sung Valley ultramafic-alkaline-carbonatite complex, Shillong Plateau, Northeastern India: petrological and genetic significance. Mineralogy and Petrology, 80 (3) 241-263 doi:10.1007/s00710-003-0025-1
Geological Society of America (2007) GSA Special Paper (430), Nd and Sr isotope systematics and geochemistry of a plume-related Early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong plateau, northeastern India p.815-830. doi:10.1130/2007.2430(37)
Srivastava, Rajesh K., Sinha, Anup K. (2004) Geochemistry and petrogenesis of early Cretaceous sub-alkaline mafic dykes from Swangkre-Rongmil, East Garo Hills, Shillong plateau, northeast India. Journal of Earth System Science, 113 (4). 683-697 doi:10.1007/bf02704029
Srivastava, Rajesh K., Guarino, Vincenza, Melluso, Leone (2023) Early Cretaceous ultramafic-alkaline-carbonatite magmatism in the Shillong Plateau-Mikir Hills, northeastern India ā€“ a synthesis. Mineralogy and Petrology, 117 (3) 447-466 doi:10.1007/s00710-022-00777-z
Melluso, L., Srivastava, R. K., Petrone, C. M., Guarino, V., Sinha, A. K. (2012) Mineralogy and magmatic affinity of the Jasra intrusive complex, Shillong Plateau, India. Mineralogical Magazine, 76 (5) 1099-1117 doi:10.1180/minmag.2012.076.5.03
Heaman, L. M., Srivastava, R. K., & Sinha, A. K. (2002). A precise Uā€“Pb zircon/baddeleyite age for the Jasra igneous complex, Karbiā€“Analong District, Assam, NE India. Current Science, 744-748.
Khonglah, Medard Augustine, Kumar, A. Anil, Haokip, Lalboi, Sougrakpam, Sujata, Imchen, Imlishila (2022) Geochemistry of metaā€mafic and metaā€tonaliteā€trondhjemite intrusives from Jaintia and Karbi Anglong hills of Shillong Plateau, North East India: Implications on the evolution of the Proterozoic Shillong Basin. Geological Journal, 57 (12) 5097-5126 doi:10.1002/gj.4600
Srivastava, Rajesh K., Heaman, Larry M., Sinha, Anup K., Shihua, Sun (2005) Emplacement age and isotope geochemistry of Sung Valley alkalineā€“carbonatite complex, Shillong Plateau, northeastern India: implications for primary carbonate melt and genesis of the associated silicate rocks. Lithos, 81 (1) 33-54 doi:10.1016/j.lithos.2004.09.017
Srivastava, Rajesh K., Guarino, Vincenza, Wu, Fu-Yuan, Melluso, Leone, Sinha, Anup K. (2019) Evidence of sub-continental lithospheric mantle sources and open-system crystallization processes from in-situ Uā€“Pb ages and Ndā€“Srā€“Hf isotope geochemistry of the Cretaceous ultramafic-alkaline-(carbonatite) intrusions from the Shillong Plateau, north-eastern India. Lithos, 330. 108-119 doi:10.1016/j.lithos.2019.02.009
 
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