Dead Sea hypothesis is that the Dead Sea lies in a true rift zone, an extension of the Red Sea Rift, or even of the Great Rift Valley of eastern Africa. A more recent hypothesis is that the Dead Sea basin is a consequence of a "step-over" discontinuity along the Dead Sea Transform, creating an extension of the crust with consequent subsidence. Around 3.7 million years ago, what is now the valley of the Jordan River, Dead Sea, and the northern Wadi Arabah was repeatedly inundated by waters from the Mediterranean Sea. The waters formed in a narrow, crooked bay that is
Dead River (Michigan) Superior. Additionally, earlier maps record this river either in French as ""Rivière des Morts"", ""Rivière du Mort"", or ""Rivière au Paresseux"", or in English as "Deadman's River". The current name for this river in Ojibwe is either "Giiwe-gamigong-neyaashi-ziibi" (Return-by-shore Peninsula River) or "Niboowaagaming" ("At the Death's Shores"). Dead River (Michigan) The Dead River (French: "Rivière des Morts") is a river in Marquette County, Michigan. Its watershed is approximately in size. The river flows southeasterly from western Marquette County to its mouth on Lake Superior. , five dams existed on the river: Silver Lake Dam, Hoist Dam, McClure Dam, Forestville Dam,