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Nepheline from
Jasra, West Karbi Anglong District, Assam, India


Locality type:Complex
Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Jasra, West Karbi Anglong District, Assam, India
Data Identifiers
Mindat Occurrence Record ID:1333336
Long-form Identifier:1:3:1333336:0
GUID (UUID V4):0
Nearest other occurrences of Nepheline
69.3km (43.0 miles) ā“˜Sung Valley complex, East Khasi Hills District, Meghalaya, India
81.9km (50.9 miles) ā“˜Samchampi, Samchampi-Samteran alkaline igneous complex, East Karbi Anglong District, Assam, India
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 Uā€“Pb zircon/baddeleyite age for the Jasra igneous complex, Karbiā€“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
 
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