This book recognizes and celebrates the contributions of Professor Ashok Sahni to the field of paleontology. Prof. Sahni established a School of Vertebrate Pala

Tectonic plates are constantly moving, either crashing into one another creating a mosaic of mountains and shallow seas, or tearing apart and isolating large sw

One needs to look at only a small portion of the enormous literature on plate tectonics published in the last 15 years to realize that there are many difference

In the early 1960s, the emergence of the theory of plate tectonics started a revolution in the earth sciences. Since then, scientists have verified and refined