Thermal Structure of the Upper Mantle and Convection

摘要

Contents: Resurgence of the hypothesis of continental drift. Exploration of the submarine ridges. Observed displacements on the ocean bottom related to ridges; Statement and illustration of the principle of diminishing symmetry; Temperatures in the earth; Temperatures of the upper mantle; Horizontal temperature variation; Thermal instability and circulation; The anisometry of convection.