Occurrence of melanite garnet in syenite and ijolite-melteigite rocks of Samchampi-Samteran alkaline complex, Mikir Hills, northeastern India

Current Science

Volumn 101, Issue 1, 2011, Pages 95-100

  Saha, Abhishek ^a   Ray, Jyotisankar ^a   Ganguly, Sohini ^a   Chatterjee, Nilanjan ^b  

^a UNIVERSITY OF CALCUTTA   (India)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Andradite garnets; Ijolite melteigite; Melanite; Syenite

Indexed keywords

EID: 79961101496     PISSN: 00113891     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (25)

1. 4+ between octahedral and tetrahedral sites. Am. Mineral., 1977, 62, 475-490.
2. Huggins, F. E., Virgo, D. and Huckenholz, H. G., Titanium containing silicate garnets. II. The crystal chemistry of melanites and schorlomites. Am. Mineral., 1977, 62, 646-655.
3. Dingwell, D. B. and Brearley, M., Mineral chemistry of igneous melanite garnets from analcite-bearing volcanic rocks, Alberta, Canada. Contrib. Mineral. Petrol., 1985, 90, 29-35.
4. Ramaswamy, R., Titanium-bearing garnets from alkaline rocks of carbonatite complex, Tiruppattur, Tamil Nadu. Curr. Sci., 1986, 55, 1026-1029.
5. Gomes, C. B., Electron microprobe analyses of zoned melanites. Am. Mineral., 1969, 54, 1654-1661.
6. Larsen, E. S., Alkali rocks of Iron Hill, Gunnison County, Colorado. US Geol. Surv. Prof. Pap., 1942, 197A, 64.
7. Ferguson, J. A. and Edgar, A. D., The petrogenesis and origin of analcime in the volcanic rocks of the Crowsnest Formation, Alberta. Can. J. Earth Sci., 1978, 15, 69-77.
8. Platt, R. G. and Mitchell, R. H., The Marathon dikes. I: Zirconium-rich titanian garnets and manganoan magnesian ulvospine-magnetite spinels. Am. Mineral., 1979, 64, 546-550.
9. Virgo, D. and Huckenholz, H. G., Physical properties of synthetic titanium-bearing andradite garnets. Carnegie Inst. Washington, Publ., 1974, 73, 426-433.
10. Srivastava, R. K. and Sinha, A. K., Geochemistry of early Cretaceous alkaline ultramafic-mafic complex from Jasra, Karbi Anglong, Shillong Plateau, Northeastern India. Gondwana Res., 2004, 7, 549-561.
11. Srivastava, R. K., Heaman, L. M., Sinha, A. K. and Shihua, S., Emplacement age and isotope geochemistry of Sung Valley alka line-carbonatite complex, Shillong Plateau, northeastern India: implications for primary carbonate melt and genesis of the associated silicate rocks. Lithos, 2005, 81, 33-54.
12. Baksi, A. K., Petrogenesis and timing of volcanism in the Rajmahal flood basalt province, northeastern India. Chem. Geol., 1995, 121, 73-90.
13. Ray, J. S., Ramesh, R. and Pande, K., Carbon isotopes in Kerguelen plume-derived carbonatites: evidence for recycled inorganic carbon. Earth Planet. Sci. Lett., 1999, 170, 205-214.
14. Coffin, M. F., Pringle, M. S., Duncan, R. A., Gladezenko, T. P., Storey, M., Müller, R. D. and Gahagan, L. A., Kerguelen hotspot magma output since 130 Ma. J. Petrol., 2002, 43, 1121-1139.
15. Saha, A., Ganguly, S., Ray, J. and Dhang, A., Vanadium bearing titaniferous magnetite ore bodies of Ganjang, Karbi Anglong district, NE India. J. Geol. Soc. India, 2010, 76, 26-32.
16. Borghi, A., Cossio, R., Olmi, F., Ruffini, R. and Vaggelli, G. EPMA major and trace element analysis in garnet and its petrological application. Mikrochim. Acta, 2002, 139, 17-25.
17. Deer, W. A., Howie, R. A. and Zussman, J., Rock-Forming Minerals. Orthosilicates, Longman, New York, 1982, vol. 1A, 2nd edn.
18. Deer, W. A., Howie, R. A. and Zussman, J., An Introduction to Rock Forming Minerals, Hariow, England, 1992, p. 696.
19. Dawson, J. B., Smith, J. V. and Steele, I. M., Petrology and mineral chemistry of plutonic igneous xenoliths from the carbonatite volcano, Oldoinyo Lengai, Tanzania. J. Petrol., 1995, 36, 797-826.
20. Gwalani, L. G., Rock, N. M. S., Ramaswamy, R., Griffin, B. J. and Mulai, B. P., Complexly zoned Ti-rich melanite-schorlomite garnets from Ambadungar carbonatite-alkalic complex, Deccan Igneous Province, Gujarat State, western India. J. Asian Earth Sci., 2000, 18, 163-176.
21. Brod, J. A., Junqueira-Brod, T. C., Gaspar, J. C., Gibson, S. A. and Thomson, R. N., Ti-rich and Ti-poor garnet from the Tapira Carbonatite Complex, SE Brazil: fingerprinting fractional crystallisation and liquid immiscibility. In 8th International Kimberlite Conference, Victoria, British Columbia, Canada, Abstract, 2003.
22. Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A. and Sinha, A. K., Mineral chemistry and petrogenetic evolution of the ultramafic-alkaline-carbonatitic complex of Sung Valley, northeastern India. Can. Mineral., 2010, 48, 205-229.
23. Marta, J. K. F. and Ross, M., Alkaline igneous rocks of Magnet Cove, Arakansas: metasomatized ijolite xenoliths from Diamond Jo quarry. Am. Mineral., 1989, 74, 113-131.
24. Bindi, L., Cellai, D., Melluso, L., Conticelli, S., Morra, V. and Menchetti, S., Crystal chemistry of clinopyroxene from alkaline undersaturated rocks of the Monte Vulture Volcano, Italy. Lithos, 1999, 46, 259-274.
25. Chakhmouradian, A. R. and McCammon, C. A., Schorlomite: a discussion of the crystal chemistry, formula and inter-species boundaries. Phys. Chem. Miner., 2005, 32, 277-289.