The Veerse Meer was separated from the North Sea by a series of what?
Veerse Meer The Veerse Meer (Lake Veere) is a lagoon in the province of Zeeland, the Netherlands. It was separated from the North Sea in 1961 by the Delta Works dam system.
Helvetic nappes The Helvetic nappes (German: "Helvetische Decken" ) are a series of nappes in the Northern part of the Alps and part of the Helvetic zone. They consist of Mesozoic limestones, shales and marls that were originally deposited on the southern continental margin of the European continent. During the Alpine orogeny they were thrusted north over a décollement and at the same time were internally deformed by folding and thrusting.