Complexly zoned Ti-rich melanite-schorlomite garnets from Ambadungar carbonatite-alkalic complex, Deccan Igneous Province, Gujarat State, western India

Journal of Asian Earth Sciences

Volumn 18, Issue 2, 2000, Pages 163-176

  Gwalani, L G ^c   Rock, N M S ^a   Ramasamy, R ^b   Griffin, B J ^a   Mulai, B P ^c  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

^b Tamilnadu Stt Dept Geol Mining   (India)

^c The Univ of W Australia Nedlands ^*

Author keywords

Ambadungar complex; Deccan Igneous Province; Melanite Schorlomite garnets; Mineral Chemistry; Tephrite; Zoning

Indexed keywords

ALKALINE ROCK; CARBONATITE; GARNET; ZONATION;

INDIA;

EID: 0034104131     PISSN: 13679120     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1367-9120(99)00053-X     Document Type: Article

References (36)

1. Azambre B., Girod M. Phonolites agpaitiques. Bull. Soc. fr. Minèr. Christallograph. 89:1966;514-520.
2. Deer W.A., Howie R.A., Zussman J. Rock-forming minerals, IA: Orthosilicates. 1982;Longman, New York.
3. Dingwell D.B., Brearley M. Mineral chemistry of igneous melanite garnets from analcite-bearing volcanic rocks, Alberta, Canada. Contributions to Mineralogy and Petrology. 90:1985;29-35.
4. Dowty E. Crystal chemistry of titanium and zirconian garnet: 1. Review and spectral studies. The American Mineralogist. 56:1971;1983-2009.
5. Ferguson L.J., Edgar A.D. The petrogenesis and origin of analcime in the volcanic rocks of the Crowsnest Formation, Alberta. Canadian Journal of Earth Sciences. 15:1978;69-77.
6. Gomes C.B. Electron microprobe analysis of zoned melanites. The American Mineralogist. 54:1969;1654-1661.
7. Griffin B.J., Muhling J.R., Carroll G.W., Rock N.M.S. RECALC2 - a general purpose package for processing mineral analyses produced by electron microanalysis. The American Mineralogist. 76:1991;295-298.
8. Gwalani, L.G., 1981. Petrology of Deccan Traps and Bagh Beds of Dugdha-Naswadi, Gujarat (India). Somaiya Publications, Dadar East, Bombay, 105 pp.
9. Gwalani L.G., Rock N.M.S., Chang W.-J., Fernandez S., Allègre C.J., Prinzhofer A. Alkaline rocks and carbonatites of Amba Dongar and adjacent areas, Deccan Igneous Province, Gujarat, India: 1. Geology, petrography and petrochemistry. Mineralogy and Petrology. 47:1993;219-253.
10. Gwalani L.G., Fernandez S., Karanth R.V., Demeny A., Chang W.-J., Avasia R.K. Alkaline and tholeiitic dyke swarm associated with Amba Dongar and Phenai Mata complexes, Chhota Udaipur alkaline sub-province, Western India. Geological Society of India Memoir. 33:1995;391-423.
11. 4+ in silicates? Mineralogical Magazine. 37:1969;366-369.
12. 2 on the cell-size, refractive index and specific gravity in the andradite-melanite-schorlomite series. Mineralogical Magazine. 36:1968;775-970.
13. 4+ between octahedral and tetrahedral sites. The American Mineralogist. 62:1977;475-490.
14. Huggins F.E., Virgo D., Huckenholz H.G. Titanium-containing silicate garnets. II. The crystal chemistry of melanites and schorlomites. The American Mineralogists. 62:1977;646-665.
15. Irvine N.T., Rumble D. III, Irvine L.M. A writing guide for petrological (and Other Geological) manuscripts. Journal of Petrology. 33:1992;1-46. (Separate Appendix to the volume).
16. Isaacs T. Titanium substituted in andradites. Chemical Geology. 3:1968;249-252.
17. Kunitz W. Die rolle des titans und zirkoniums in den gesteinsbildenden silikaten. Neues Jahrbuch fur Mineralogie Geol Beil Bd. 70A:1936;385-466.
18. Larsen, E.S. 1942. Alkaline rocks of Iron Hill, Gunnison County, Colorado. US Geological Survey Professional Paper 197-A.
19. Laverne C. Unusual occurrence of aegirine-augite, fassaite and melanite in oceanic basalts (DSDP Hole 504B). Lithos. 20:1987;135-151.
20. 3+. Canadian Journal of Earth Sciences. 4:1967;1039-1047.
21. Manning P.G., Harris D.C. Optical absorption and electron-microprobe studies of some high-Ti andradites. Canadian Mineralogist. 10:1970;260-271.
22. Muhling J.R., Griffin B.J. On recasting garnet analyses into end-member molecules revisited. Computer Geoscience. 17:1991;161-170.
23. Platt R.G., Mitchell R.H. The Marathon dikes. I: Zirconium-rich titanian garnets and manganoan magnesian ulvospinel-magnetite spinels. The American Mineralogist. 64:1979;546-550.
24. Ramasamy R. Titanium-bearing garnets from alkaline rocks of carbonatite complex of Tiruppattur, Tamil Nadu. Current Science. 55:1986;1026-1029.
25. Ray J.S., Ramesh R., Pande K., Trivedi J.R., Shukla P.N., Patel P.P. Isotope and rare earth element chemistry of carbonatite-alkaline complexes of Deccan Province: implications to magmatic and alteration processes. Journal of Asian Earth Sciences. 18:1999;177-194.
26. Rock N.M.S. Summary statistics in geochemistry: a study of the performance of robust estimates. Mathematical Geology. 20:1988;243-275.
27. Rock N.M.S. Lamprophyres. 1991;285 Blackie, Glasgow.
28. Rock N.M.S., Gwalani L.G., Griffin B.J. Alkaline rocks and carbonatites of Amba Dongar and adjacent areas, Deccan Igneous Province, Gujarat, India: 2. Complexlyzoned clinopyroxene phenocrysts. Mineralogy and Petrology. 51:1994;113-135. (Rock Memorial Volume).
29. Segalstad T.V. Petrology of the Skien basaltic rocks, southwestern Oslo Region, Norway. Lithos. 12:1979;221-239.
30. Sukheswala R.N., Udas G.R. Note on the carbonatite of Amba Dongar (Gujarat State) and its economic potentialities. Science and Culture. 29:1963;563-568.
31. Tarte P. Recherches sur le spectre infrarouge des silicates: II. Determination du role structural du titane dans certains silicates. Silicates Industrials Brussels. 25:1960;171-175.
32. Tarte P. Infrared spectra of garnets. Nature. 186:1960;234.
33. Varet J. Les phonolites agpaitiques et miaskitiques du Cantal septentrional (Auvergne, France). Bulletin Volcanologique. 33:1969;621-656.
34. Viladkar, S.G. 1984. Alkaline rocks associated with the carbonatites of Amba Dongar, Chhota Udaipur, Gujarat, India. Indian Mineralogist, Sukheswala Volume: pp. 130-135.
35. Viladkar, S.G. 1996. Geology of the carbonatite-alkalic diatreme of Amba Dongar, Gujarat. Special Publication Sponsored by Gujarat Mineral Development Corporation, Ahmedabad, India, 74 pp.
36. Zedlitz O. Uber titanhaltige Kalkkeisengranat II. Zentrabl. Mineral Avt. A:1933;225-239.