Which range of mountains in France and Switzerland gives its name to the middle period of the Mesozoic era?
Jura Mountains Jura Mountains The Jura Mountains (; , ; ; ; ) are a sub-alpine mountain range located north of the Western Alps, mainly following the course of the France–Switzerland border. The Jura separates the Rhine and Rhône basins, forming part of the watershed of each. The name "Jura" is derived from "juria", a Latinized form of a Celtic stem "jor-" "forest". The mountain range gives its name to the French department of Jura, the Swiss Canton of Jura, the Jurassic period of the geologic timescale, and the Montes Jura of the Moon. The Jura Mountains are a distinct province of
Switzerland in the Roman era south of the Alps marked the definitive end of Roman power in Switzerland, and the beginning of the transition to the Middle Ages. Switzerland in the Roman era The territory of modern Switzerland was a part of the Roman Republic and Empire for a period of about six centuries, beginning with the step-by-step conquest of the area by Roman armies from the 2nd century BC and ending with the decline of the Western Roman Empire in the 5th century AD. The mostly Celtic tribes of the area were subjugated by successive Roman campaigns aimed at control of the strategic routes