SEA-FLOOR SPREADING,

Abstract

Abstract : Contents: Seismicity of the earth; Plate theory of tectonics; Rates of movement; The geometry of spreading; Corollaries of this geometry; The nature of faulting; Paleogeometry; Poorly defined boundaries; The magnetic record; North Pacific anomalies; The oceanic crust; The role of the continents; Opening of the Atlantic and Indian Oceans; Episodic spreading and orogeny; Mountain building; Spreading as a planetary process.