A long peninsula ran from the southwest through Kansas, Cimarron County, and into New Mexico. there was an eastern ocean and a shallow, brackish western one.
Why did the dinosaur come here and nowhere else in Oklahoma? What did the land look like 150 million years ago? Most of the United States was underwater. Almost all tracks found worldwide are so eroded you can no longer see the mud pushes. If you look closely you can actually see how the dinosaur's weight pushed the mud up to one side on each step. Tracks close together indicate walking slowly along a beach or pool, maybe foraging for food. Therefore this dinosaur, from head to tail, was about 25 - 30 feet long, walked on hind legs (since no front leg prints are visible) and did not drag a tail. (Meat-eaters left smaller tracks and were pointy-toed.) You can tell the size of one of these dinosaurs by measuring across the tracks (18") and multiply by four, giving you the hip-height. These tracks were probably made by plant-eaters because of the large size of the tracks and the webbed toes. These tracks are in Jurassic formation - sandstone - 150 millions years old. There are three sets of tracks in the creek bed - the main set, a shallower but similar set about 50 yards upstream, and a smaller and much more eroded set downstream. Immediately before the Boise City annual Trail Daze event, the tracks are swept clear of debris. At other times, gushing torrents along the waterway uncover the tracks completely. At times, following flood conditions the tracks are covered with several feet of silt. The area where the tracks are found was at one time a swamp and forest area.
Black mesa dinosaur tracks series#
A series of dinosaur tracks in a strata of solid rock may be seen in the bed of a creek near the Black Mesa.
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