The First Continental Flood Stage — The Invertebrate Animal Age

Accompanied by little or no volcanic action, the periodic phenomena of land elevation and land sinking characteristic of these times were all gradual and nonspectacular. Throughout all of these successive land elevations and depressions the Asiatic mother continent did not fully share the history of the other land bodies. It experienced many inundations, dipping first … Continue reading The First Continental Flood Stage — The Invertebrate Animal Age