Geological Evolution of the Earth During the Precambrian

Progress in Precambrian geology has been exceptionally great, indeed quite striking for geologists of the older generation; only some 30-40 years ago the Precambrian appeared as an uncertain and even mystic prelude to geologic evolution. Even the very name - Precambrian - means some indi­ visible unit in the early history of the Earth, the beginning of which is poorly known. At the same time it wa...