Proceedings of the Indian Academy of Sciences
Earth and Planetary Sciences

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 Vol. 89, January-December 1980

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Contents

 March 1, 1980
 
Some aspects of geochemistry of pyrophyllite and  diaspore  deposits  of Bundelkhand complex — Rajendra. P. Sharma        
 1-15
A study of the serpentinisation in the Vempalle dolomitie limestones near Pulivendala, Cuddapah District — A. N. Vyasa Rao and M. S. Murty       
 17-22
Age of Saurashtra miliolites by U-Th  decay series  methods, possible implications to their origin — N. Hussain, N. Bhandari, K. R. Ramanathan and B. L. K. Somayajulu   
  23-29
A gradient method for interpreting magnetic anomalies due to horizontal circular cylinders, infinite dykes and vertical steps — V.  Radhgkrishnamurthy, C. Visweswara Rao and G.  Gopala Krishna     
  31-42
Finite element modelling for evaluation of apparent resistivity over complex structures —
V. K. Gaur, G. C. Nayak and P. K. Gupta     
  43-49
Palaeoclimate,  stratigraphy and prehistory in north and west Rajasthan — D. P. Agrawal,  P. S. Datta, Zahfd Hitssain, R. V. Krishnamurthy, V. N. Misra, S. N. Rajagum and
P. K.Thomas      
 51-66
An application of complex demodulation technique to geomagnetic data and conductivity anomaly studies — A. K. Agarwal, B. P. Singh and N. Nityananda      
 67-77
Role of barotropic, baroclinic and combined barotropic-baroclinic   instability for the growth of monsoon depressions and mid-troposphedc cyclones — B. N. Goswami, R. N. Keshavamurty and V. Salyan     
  79-97
Drift loss cone instability in the ring current and plasma sheet — K. G. Bhatia and
G. S. Lakhina    
  99-108
Experimental evidence of gravity waves at 80-90 km'altitude from OH night airglow observations — Neeta H. Majmudar and P. V. Kulkarni   
   109-114
Pillow structures in serpentinite, Tagadur, Nuggehalli schist belt, Karnataka —
A. K.  Sudhakar   
 117-119
July 2, 1980

Cosmic ray effects in the solar system objects — N. Bhandari and M. N. Rao    
 121-132
Cosmogenic and bomb-produced 7Be in stratospheric air — Prem Sagar and P. V. Goel  
  133-136
On the growth and decay of irregularities in the ionosphere —  Hari Om Vats and
M. R. Deshpande    
 137-143
Measurement of recharge rates in soils   through detection  of   tritium produced in Chinese thermonuclear tests — R. N. Athavale and C. S. Murti    
 145-151
On the effect of the partial solar eclipse of 29 April 1976 on electro content —G. Sethia,
H. Chandra and M. R. Deshpande  
153-157
Numerical simulation of the Indian monsoon — P. K. Day    
 159-177
Some aspects of the large scale fluctuations of summer monsoon rainfall over India in relation to fluctuations in the planetary and regional scale circulation parameters —
D. R. Sikkd    
 179-195
Aircraft measurements of SST using IR radiometer and temperature corrections due to atmospheric effects — S. S. Sinha, S. V. Kasture, V. Satyan, R. M. Pandy and
P. A. Sotanki    
 197-208
Shift of quasi-stationary flow features during active and break monsoons —
R. N. Keshavamurthy, V. Satyan, S. K. Dash and H. S. S. Sinha     
 209-214
Some thermodynamical and microphysical aspects of monsoon clouds —A.  Mary Selvam,
A.S. Ramachandra Murty, R. Vijayakumar, S. K. Paul, G. K. Manohar, R. S. Reddy,
B. K. Mukherjee and  V.  Ramana Murthy 
    215-230
Capability of Bhaskara SAMIR to distinguish atmospheric water vapour and liquid water contents — P. C. Pandey, A. K. Sharma and B. S. Gohil   
 231-238
Electrical resistivity anomalies over hydrocarbon bearing structures — V. K. Gaur, Srinivas and  N. R. Goel
 239-248
Study of microwave response of coal and sandstone samples  — R. Singh, Ramesh P. Singh and K. P. Singh    
 249-259
Magnetic studies on charnockites of Palni Hills — K. Ramaswamy and N. Ramamurthy    
 261-266
The possible influence of curvature and rotation on ocean currents — R.  Narasimha    
 267-275
Erratum                                                                                                       
     276 
November 3, 1980

Monsoon cyclogenesis and large-scale flow patterns over South Asia — V. Satyan,
R. N. Kesliavamurthy, B. N. Goswami, S. K. Dash and H. S. S. Sinha   
  277-292
An empirical method for the estimation of atmospheric water vapour content from  SAMIR data — P. C. Pandey, B. S. Gohil and A. K. Sharma    
 293-297
Holocene climate inferences from the   sediments of the Western  Indian continental shelf — R. R. Nair and N. H. Hashimi  
   299-315
Remote sensing of the ' lost' Sarasvati River — Yash Pal, Baldev Sahai, R. K. Sood and
D. P. Agrawal  
   317-331
Latitudinal variations of geomagnetic solar and lunar tides in the Indian region —  B. R. Arora, D. R. K. Rao and N. S. Sastri    
 333-346
A semi-analytical non-self similar technique for shock waves from under-ground peaceful nuclear explosions — Satish C. Gupta, S. K. Sikka and M. P. Ranga Rao   
  347-358
Relative performance of augmented seismic network under random arrival-time errors —
K. Arora, T. K. Basu and C. A. Krishnan  
   359-367
Inversion of microearthquakc arrival time data — Sri Niwas, V. K. Gaur and
G. C. Katiyar    
 369-382
Petrology of the alkaline suite of Elchuru, Prakasam District, Andhra Pradesh — Mihir K. Bose and Sattrajit Nag   
  383-401
Spodumene pegmatites from Hutti, Raichur District, Karnataka State —  M. S. Sadashivaiah, T. C. Devaraju, K. Gowd Reddy, B. S. Machigad, V. P. Linganagoudar, S. K. Myageri and T. M. Kankudti    
 403-411
Geoelectrical response of a water bearing sandstone-shale sequence and the estimation of sandstone-shale ratios — Sriniwas, A. K. Awasthi and S. Mantri
     413-430
Use of reflex discharge probes for evaluating the dynamics of neutral gas clouds —
N. Venkataramani and S. K. Mattoo    
 431-441
Erratum                                                                                      
     442



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