Plate Tectonics: A Very Short Introduction (Very Short Introductions) by Peter Molnar
English | March 26th, 2015 | ASIN: B00S6T8Y82, ISBN: 0198728263 | 160 Pages | EPUB | 2.16 MB
The 1960s revealed a new and revolutionary idea in geological thought: that the continents drift with respect to one another. After having been dismissed for decades as absurd, the concept gradually became part of geology's basic principles. We now know that the Earth's crust and upper mantle consist of a small number of rigid plates that move, and there are significant boundaries between pairs of plates, usually known as earthquake belts.