Proceedings of the Indian Academy of Sciences
Earth and Planetary Sciences

Vol. 109, No. 1, March 2000

Contents

Special issue on: Isotopic Windows on Earth and Planetary Processes
 
Editorial 
[ PDF ]
pp.1-4
Important crustal growth in the Phanerozoic: Isotopic evidence of granitoids from east-central Asia
Bor-ming Jahn, Fuyan Wu and Dawei Hung
Abstract   Full Text: [ PDF ]
pp.5-21
Anasagar gneiss: A folded granitoid pluton in the Phanerozoic South Delhi Fold Belt, central Rajasthan
D Mukhopadhyay, T Bhattacharyya, N Chattopadhyay, Robert Lopez, and O T Tobisch
Abstract   Full Text: [ PDF ]
pp.22-38
Emplacement of Amba Dongar carbonatite-alkaline complex at Cretaceous/Tertiary boundary: Evidence from 40Ar-39Ar chronology
 J S Ray, Kanchan Pande and T R Venkatesan
Abstract   Full Text: [ PDF ]
pp.39-48
Sr  isotopic evidence on the spilitic degradation of the Deccan basalt
K V Subbarao
Abstract   Full Text: [ PDF ]
pp.47-56
Sm-Nd ages of two meta-anorthosite complexes around Holenarsipur: Constraints on the antiquity of Archean supracrustal rocks of the Dharwar craton
Y J Bhaskar Rao, Anil Kumar, A B Vrevsky, R Srinivasan and G V Anantha Iyer
Abstract   Full Text: [ PDF (193kB)]
pp.57-66
Compilation of  radiogenic isotope data in Mexico and their petrogenetic implications
I S Torres-Alvarado, S P Verma, G Carrasco-Nunez
Abstract   Full Text: [ PDF ]
pp.67-78
Error propagation in equations for geochemical modeling of radiogenic  isotopes in two-component mixing
Surendra P Verma
Abstract   Full Text: [ PDF ]
pp.79-88
Isotopic composition of xenon in petroleum from the Shell Bullwinkle Field
J Nuzzo, M Hyman, M W Rowe, M N Rao, R L Palma and J Westrich
Abstract   Full Text: [ PDF ]
pp.89-94
Factors controlling the groundwater transport of U, Th, Ra, and Rn
A Tricca, D Porcelli and G J Wasserburg
Abstract   Full Text: [ PDF ]
pp.95-109
Stable isotope systematics of surface water bodies in the Himalayan and trans-Himalayan (Kashmir) region
Kanchan Pande, J T Padia, R Ramesh and K K Sharma
Abstract   Full Text: [ PDF ]
pp.109-116
Climatic significance of D/H and 13C/12C ratios in Irish oak cellulose
M G L Baillie, J R Pilcher, A M Pollard and R Ramesh
Abstract   Full Text: [ PDF ]
pp.117-128
Late Glacial and Holocene  Paleoliminology of two temperate lakes inferred from sediment organic   13C chronology
N A Lovan and  R V Krishnamurthy
Abstract   Full Text: [ PDF ]
pp.129-140
Is there a stable isotope evidence for the CO2 fertiliser effect
R V Krishnamurthy and M Machavaram
Abstract   Full Text: [ PDF ]
pp.141-144
Effect of intraband variability on stable isotope and density time series obtained from banded corals
S Chakraborty, R Ramesh and J M Lough
Abstract   Full Text: [ PDF ]
pp.145-152
Glacial-interglacial changes in the surface water characteristics of the  Andaman Sea: Evidence from stable ratios of planktonic foraminifera
S M Ahmad, D J Patil, P S Rao, B N Nath, B R Rao and G  Rajagopalan
Abstract   Full Text: [ PDF ]
pp.153-156
Palaeomonsoon and  palaeoproductivity records of   $\delta ^{18}$O,   $\delta ^{13}$C and CaCO$_{3} variations in the northern Indian Ocean sediments
A Sarkar, R Ramesh, S K Bhattacharya and  N B Price
Abstract   Full Text: [ PDF ]
pp.157-170
Long-term records of erosional change from marine ferromanganese  crusts
R  Keith O'Nions and Martin Frank
Abstract   Full Text: [ PDF ]
pp.171-180
Cosmogenic $^{10}$Be: A critical view on its widespread dominion in geosciences
D Lal
Abstract   Full Text: [ PDF ]
pp.181-186
Sr isotopes in the Orgueil CI meteorite:  Chronology of early solar system hydrothermal  activity
J D Macdougall
Abstract   Full Text: [ PDF ]
pp.187-194
Conceptual problems with remote element synthesis
O Manuel
Abstract   Full Text: [ PDF ]
pp.195-204

 
 

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