Integrated stratigraphy of the Oxfordian and Kimmeridgian (late Jurassic) in northern Switzerland and adjacent southern Germany

摘要: 1. 1 Geographical and 2 Previous work palaeogeographical setting Stratigraphic exploration of the Swiss Jura range began before The measuring detailed sections excavation fossils 1820. MERIAN (1821) described Jurassic sediments in ar- were done an area which is confined to west by a line be- ea Basel for first time gave short appropriate tween Boncourt Canton Biel Bern description principal lithostratigraphic units. Merian (fig. 1). belt outcrops becomes narrower towards east was aware that means correlation, but he stated then runs northeast from Aargau Mohringen on not known well enough at this Danube river southern Germany. This whole purpose. Therefore correlated strictly lithostratigraphically. where Burgundy platform (PuRSER 1979) interfingers with He marls Biirschwil Formation early rhodano-swabian epicontinental sea middle Oxfordian central situated adjacent northern Tethys 63). Effingen Member late east- transformed into 2) ern 3).