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
Middle Branch Dead Diamond River Middle Branch Dead Diamond River The Middle Branch of the Dead Diamond River is a long river in northern New Hampshire in the United States. It is a tributary of the East Branch of the Dead Diamond River, located in the Androscoggin River watershed of Maine and New Hampshire. The Middle Branch flows for most of its length through Pittsburg, the northernmost town in New Hampshire. It flows southeast through a wide valley between Magalloway Mountain (3,383 feet above sea level) to the south and Diamond Ridge (3,230 ft) to the north. The river then turns south and flows parallel