Sedimentary Rocks Lecture by Dr. Abhishek Baldwa

Sedimentary rocks as sediment implies are composed largely of fragments of older rocks and minerals that have been more or less thoroughly consolidated and arranged in layers and strata. Igneous rocks …

Wegener’s theory Lecture by Dr. Abhishek Baldwa

5. Wegener was a meteorologist. He propounded his concept on continental drift in the year 1912. Theory of Wegener grows out of the need of explaining the major variations of climate …