Rock waterfall is supported Stone Mountain basalt 180 million years ago, the age of fire. Have the distribution cover a wide area and thickness of up to 300 m after the build-up of basalt up to several million years. When the rocks cooled cause many cracks. Most of which rest in East-West direction. The cracks were enlarged and deepened with the upsurge of the Mesozoic cover & bonded. When the 110 million the year before, the cracks, it is filled with sediment eroded from the resolution size of ground lift.An example of the ground changed the direction of flow river flow from the ancient North-South. Sam rivers flow through cracks. bakery of basalt and sedimentary rocks have eroded that fill the crack went off. A giant crack, making wide waterfall flows from a large water curtain, and control flow path, the river is a zigzag-shaped. The assumption that the Victoria Falls have occurred for the first time when 5 million years.
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