A new occurrence of sapphirine in the high-grade pelitic gneisses of usilampatti, Tamil Nadu

Journal of the Geological Society of India

Volumn 49, Issue 1, 1997, Pages 7-12

  Subba Rao, D V ^a   Nirmal Charan, S ^a   Moeen, S ^a  

^a NATIONAL GEOPHYSICAL RESEARCH INSTITUTE   (India)

Author keywords

Metamorphism and Geothermobarometry; Petrology; Precambrian; Sapphirine

Indexed keywords

EID: 0009063076     PISSN: 00167622     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (12)

1. BROWN, M., MOHAN, A and PRAKASH, D. (1992) Sapphirine assemblages, upper Palni hills, Tamil Nadu. EOS, v.73, pp.601.
2. DRURY, S.A., HARRIS, N.B.W., HOLT, R.W., REEVES SMITH, G.J. and WIGHTMAN, R.T. (1984) Precambrian tectonics and crustal evolution in South India Jour. Geology, v.92, pp. 3-20.
3. GREW, E.S. (1982) Sapphirine, Kornerupine and sillimanite and orthopyroxene in the chamockitic region of South India. Jour. Geol. Soc. India., v.23, pp. 469-505.
4. GREW, E.S. (1984) Note on sapphirine and sillimanite + orthopyroxene from Panrimalai, Madurai district, Tamil Nadu. Jour. Geol. Soc. India, v.25 (2), pp.117-119.
5. LAL, R.K., ACKERMAND, D., SEIFERT, F. and HALDAR, S.K. (1978) Chemographic relationships in sapphirine bearing rocks from Sonapahar, Assam, India Contrib. Mineral. Petrol., v.67, pp.169-187.
6. MOHAN, A (Ed) (1993) "South Indian Granulites". Special Issue, Jour. Metamorphic Geol., v.11,pp.813-895.
7. MOHAN, A. and LAL, R.K (1985) A comparative evaluation of the various Geothermobarometric models applied to the granulites of Ganguvarpatti, Madurai district, Tamil Nadu. Current trends in Geology v.7, Indian. Geol. Congress, pp.525-571.
8. MOHAN, A. and WINDLEY, B.F. (1993) Crustal trajectory of sapphirine-bearing granulites from Ganguvarpatti, south India: evidence for an isothermal decompression path. J. Metamorphic. Geol., v.11, pp.867-878.
9. 2O. Jour. Geol., v.82, pp.173-204.
10. SIVASUBRAMANIAN, P., NATARAJAN, R. and JANARDHAN, A.S. (1991) Sapphirine-bearing assemblages from Perumalmalai, Paini hills, Tamil Nadu. Jour. Geol. Soc. India, v.38, pp.532-537.
11. SUBBA RAO, D.V., NIRMAL CHARAN, S., NARAYANA, B.L. and NAQVI, S.M. (1995a) Symplectites in high-grade pelitic gneisses of Usilampatti, Tamil Nadu, South India. P-T conditions and Geochemistry. Jour. Geol. Soc. India, v.46, pp.37-45.
12. SUBBA RAO, D.V., NAQVI, S.M., NARAYANA, B.L. and CHARAN, S.N. (1995b) Petrology and geochemistry of Precambrian high-grade metasediments associated with granulites of Andipatti-Usilampatti-Madurai region (South India) : Implications for provenance and depositional environments. Presented at GEOSAS-II Conference 19-24, Jan., Colombo, Sri Lanka. (Abstract)