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A petrified forest is a forest in which tree trunks have fossilized as petrified wood. Pages in category "Petrified forests" The following 24 pages are in this category, out of 24 total.
Petrified Forest National Park is a national park of the United States in Navajo and Apache counties in northeastern Arizona. Named for its large deposits of petrified wood , the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands .
Petrified Forest [36] A large saurischian alternatively considered a herrerasaurid or a theropod related to Tawa hallae. Coelophysis [36] C. bauri. New Mexico [37] "Siltstone" [37] C. sp. [38] Arizona [38] Petrified Forest [38] Originally assigned to C. bauri, but likely a different taxon. [38] C. longicollis [36] New Mexico [36] Petrified ...
Chunk of petrified wood near El Kurru (Northern Sudan) Petrified log and Welwitschia at Namibia Petrified forest Egypt – petrified forest in Cairo-Suez road, declared a national protectorate by the ministry of environment, also in the area of New Cairo at the Extension of Nasr City , El Qattamiyya, near El Maadi district, and Al Farafra oasis.
Tree remains that have undergone petrifaction, as seen in Petrified Forest National Park. In geology, petrifaction or petrification (from Ancient Greek πέτρα (pétra) 'rock, stone') is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals.
Petrified wood was discovered in the region in the early 1930s, which led to creation of the state park as a national historic preserve. [2] Over 50 species are found petrified at the site, including ginkgo, sweetgum, redwood, Douglas-fir, walnut, spruce, elm, maple, horse chestnut, cottonwood, magnolia, madrone, sassafras, yew, and witch hazel.
A fossil from the Cherokee Ranch petrified forest. A large petrified forest thought to date to the Paleocene at around 55 million years old is located on and around the grounds of Cherokee Ranch in Douglas County, Colorado. These Denver Basin fossils include plants similar to the modern laurel tree family. At least 40 large petrified logs have ...
It is known from a single species, C. bryansmalli, based on a partial skeleton recovered from Petrified Forest National Park in Arizona. The original specimen was nicknamed "Gertie", and generated much publicity for the park upon its discovery in 1984 and airlift out of the park in 1985.