 | | Journal (article/letter/editorial) | | of plagioclase to nepheline in the Khariar alkaline complex, SE India: Constraints on metasomatic replacement...Geophysics, Indian Institute of Technology, Kharagpur, India a r t i c l e i n f o Article history: Received...Available online 21 August 2012 Keywords: Khariar alkaline complex Fenitization Plagioclase-replacement Nepheline...pyroxene a b s t r a c t At the Khariar alkaline complex in southeastern India, some tholeiitic amphibolites...and K2O. These results indicate that alkali and alkaline elements (Na, K and Ca) were exchanged freely |  | Upadhyay, D., Raith, M. M., Mezger, K., Bhattacharya, A., Kinny, P. D. (2006) Mesoproterozoic rifting and Pan-African continental collision in SE India: evidence from the Khariar alkaline complex. Contributions to Mineralogy and Petrology, 151 (4) 434-456 doi:10.1007/s00410-006-0069-4 | Journal (article/letter/editorial) | | continental collision in SE India: evidence from the Khariar alkaline complex Received: 3 August 2005 /...Eastern Ghats Province in SE India contains a number of deformed alkaline and tholeiitic intrusives. The...The Khariar alkaline complex is one of the several occurrences which intruded in the Mesoproterozoic...lithosphere. Geochemical variations in the Khariar alkaline suite can be modeled by the fractionation...apatite and allanite. The Mesoproterozoic alkaline magmatism at Khariar marks the initiation of a NE-SW rift |  | Upadhyay, D., Raith, M.M., Mezger, K., Hammerschmidt, K. (2006) Mesoproterozoic rift-related alkaline magmatism at Elchuru, Prakasam Alkaline Province, SE India. Lithos, 89 (3) 447-477 doi:10.1016/j.lithos.2005.12.015 | Journal (article/letter/editorial) | | Mesoproterozoic rift-related alkaline magmatism at Elchuru, Prakasam Alkaline Province, SE India D. Upadhyay a,b,⁎...online 10 March 2006 Abstract The Elchuru alkaline complex in the Prakasam igneous province represents...several alkaline bodies within the craton–Eastern Ghats Belt contact zone in Peninsular India. Nepheline...and Pb isotopic systematics indicate that the alkaline magma was derived from an enriched mantle source...rift-related intra-continental setting of the complex indicates that alkaline magmatism represents the manifestation |  | Chakrabarty, A., Mitchell, R. H., Ren, M., Saha, P. K., Pal, S., Pruseth, K. L., Sen, A. K. (2016) Magmatic, hydrothermal and subsolidus evolution of the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline syenites. Mineralogical Magazine, 80 (7) 1161-1193 doi:10.1180/minmag.2016.080.057 | Journal (article/letter/editorial) | | agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline...Government College, Durgapur 713214, West Bengal, India Department of Geology, Lakehead University, Thunder...Institute of Technology Kharagpur, Kharagpur 721302, India Department of Earth Sciences, Indian Institute of...Technology Roorkee, Roorkee, Uttarakhand 247667, India [Received 23 March 2015; Accepted 10 November 2015;...Proterozoic Sushina Hill Complex is the only agpaitic complex, reported from India and is characterized by |  | | Journal (article/letter/editorial) | | geological settings and commonly attributed to alkaline metasomatism. We investigated growth of nepheline...environments and processes. This project focuses on the alkaline metasomatic transformation of albite in the presence...fluid and to further apply the results to more complex, natural systems. The present experimental study...the formation of texturally late sodalite and cancrinite. The sodalitization of nepheline in the nepheline...of 20 15 of 22 Figure 6. Natural examples of alkaline metasomatism in NW Namibia (b,d,e: microphotographs; |  | | Report (issue) | | © INDIA, GEOLOGICAL SURVEY (2023) Compiled by Shri K. Mahender Reddy, Director (Retd.), GSI, Shri...Published by The Director General Geological Survey of India 27, Jawaharlal Nehru Road Kolkata-700 016 Price:...Grey granite inselberg near Zafargarh, Warangal district in Telangana, Picture Courtesy: Shri K. Mahender...Granite exposed south of Hosakote village in Tumkur district, Karnataka, Picture Courtesy: Indrani Karmakar...Granite exposed south of Hosakote village in Tumkur District, Karnataka, Picture Courtesy: Lakshmi.S, Assistant |
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