"Most of Germany's crude oil comes from lower Cretaceous and Jurassic formations on the flanks of salt structures which are the result of a combination of tangential folding, occurring during the late Jurassic and Cretaceous, and the upthrusting of upper Permian salt beds. The oil in the central Hannover district is in most places confined to narrow belts of tilted strata on the flanks of the salt structures, the thin producing sands being sealed in by unconformities and faults.... The Munich basin probably is the only region outside of the producing districts that justifies exploratory work."

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