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The Saltville Valley today is located in the valley and ridge province of the Appalachian Mountains near southwest Virginia. [1] The valley is shaped like a scalene triangle, and it measures in elevation 1740’/530 m above sea level, 8000’/2.4 km lengthwise, and 2750’/0.84 km at its greatest width.
Diagram illustrating the largest (grey) and most conservative (red) size estimates of the Miocene-Pliocene shark Carcharocles megalodon (sometimes Carcharodon or Otodus megalodon) with a whale shark (violet), great white shark (green), and anachronistic human (black) to scale †Otodus megalodon; Otus †Otus asio †Oxyrhina †Oxyura ...
During the Triassic, central Virginia was a rift basin. [1] Brachiopods were still present in Virginia during the Mesozoic. [4] On land, the early Mesozoic plants of Virginia included Equisetales, gymnosperms, Cycadeles, cycads, and conifers. This flora is almost identical to that from contemporary deposits in North Carolina. [4]
The Thunderbird Archaeological District, near Limeton, Virginia, is an archaeological district described as consisting of "three sites—Thunderbird Site, the Fifty Site, and the Fifty Bog—which provide a stratified cultural sequence spanning Paleo-Indian cultures through the end of Early Archaic times with scattered evidence of later occupation."
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It is located in the Appalachian Mountains near Duffield in Scott County, Virginia. The Natural Tunnel, which is up to 200 feet (61 m) wide and 80 feet (24 m) high, [ 1 ] began to form more than a million years ago when groundwater bearing carbonic acid percolated through crevices and slowly dissolved limestone and dolomite bedrock .
The shark-scavenged remains were found in the ocean east of Virginia's Back Bay National Wildlife Refuge and were towed ashore for a necropsy to determine the cause of death.
This list of the Paleozoic life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Virginia and are between 538.8 and 252.17 million years of age.