作者: Franklyn B. Van Houten , Roy H. Brown
DOI: 10.1086/628282
关键词:
摘要: Late Paleozoic: Variscan orogeny in northwestern Africa was followed by regional stability and emergence. Marine deposition continued only the southeastern corner along southwestern margin of Pelagian cratonic block. Early Triassic: Thick detrital deposits prograded eastward across edge block while nonmarine sediments accumulated Northern Sahara Salt Basin to west. Middle Tethys spread eastern half Africa. Its open marine facies confined block; a marginal reached encroached on northeastern flanks domain. Triassic early Liassic: Grabens developed northeasterly trends western as well more easterly-trending Gibraltar South Atlas fracture zones. A vast saline province encompassed grabens Morocco adjacent Algeria, Moroccan continental mar...