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Shaded relief map of the Llano Estacado. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.
Geomythology (also called “legends of the earth," "landscape mythology," “myths of observation,” “natural knowledge") is the study of oral and written traditions created by pre-scientific cultures to account for, often in poetic or mythological imagery, geological events and phenomena such as earthquakes, volcanoes, floods, tsunamis, land formation, fossils, and natural features of the ...
The geography of Texas is diverse and large. Occupying about 7% of the total water and land area of the U.S., [1] it is the second largest state after Alaska, and is the southernmost part of the Great Plains, which end in the south against the folded Sierra Madre Oriental of Mexico.
Cretaceous Formations of the Dallas-Fort Worth Metroplex Geologic map and the labeled geologic formations that lie directly beneath the surface in Dallas County Cretaceous formations of Texas Where the DFW Metroplex was located during the last super continent known as Pangea Placement of Tectonic Plates and DFW location around ≈94 million years ago The Cretaceous rocks in the DFW Metroplex ...
The Texas Triangle is a region of Texas that contains the state's five largest cities and is home to over half of the state's population. The Texas Triangle is formed by the state's four main urban centers, Austin , Dallas-Fort Worth , Houston , and San Antonio , connected by Interstate 45 , Interstate 10 , and Interstate 35 .
It ranks as the sixth-highest peak in this park, mountain range, and county, but only the 34th-highest in Texas. [ 1 ] [ 2 ] The mountain is composed of volcanic rock of the Chisos Formation which formed during the Paleogene period. [ 4 ]
T. M. Lehman and A. B. Coulson. 2002. A juvenile specimen of the sauropod dinosaur Alamosaurus sanjuanensis from the Upper Cretaceous of Big Bend National Park, Texas. Journal of Paleontology 76(1):156-172; A. R. Fiorillo. 1998. Preliminary report on a new sauropod locality in the Javelina Formation (Late Cretaceous), Big Bend National Park, Texas.
The Trujillo Formation is a geologic formation in Texas [1] and New Mexico. [2] It preserves fossils dating back to the upper Triassic period. [2]