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The first record of fossils in New Mexico was written by Santa Fe Trader Josiah Gregg, who described local petrified wood in his 1846 book Commerce of the Prairies. The next mention comes from J. W. Abert, who traveled through the area between 1846 and 1847. While there he wrote about fossils including petrified wood, shark teeth, shells and bones.
Petrified wood has also been discovered in Dholavira in Kutch, Gujarat, dating back to 187–176 million years. [24] Japan – there is a fossilized forest preserved at Sendai City Tomizawa Site Museum; Indonesia – petrified wood covers several areas in Banten and also in some part of Mount Halimun Salak National Park.
English: This piece of petrified wood was found near Monarch Boulevard in southeastern Highlands Ranch and is an example of petrified wood as found in the northern portions of the Cherokee Ranch petrified forest. The piece is picture in situ. Many other wood fossils in this area can be found protruding from the ground and sometimes laying atop it.
The name of the park gives it away: Most of the fossils you'll see at Petrified Forest are of exquisite petrified wood from the Triassic period over 200 million years ago.
A piece of petrified wood in situ, Highlands Ranch, Colorado. The Denver Basin contains relatively few late Paleocene-age strata–with many dating to older periods–but laser ablation sampling in 2015 compared with a core sample from Castle Pines 2.5 kilometres (1.6 mi) away has been interpreted as indicating this more recent date.
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.
Araucarioxylon arizonicum (alternatively Agathoxylon arizonicum) is an extinct species of conifer that is the state fossil of Arizona. [1] The species is known from massive tree trunks that weather out of the Chinle Formation in desert badlands of northern Arizona and adjacent New Mexico, most notably in the 378.51 square kilometres (93,530 acres) Petrified Forest National Park. [2]
Fossil wood may or may not be petrified, in which case it is known as petrified wood or petrified tree. The study of fossil wood is sometimes called palaeoxylology, with a "palaeoxylologist" somebody who studies fossil wood. The fossil wood may be the only part of the plant that has been preserved, with the rest of the plant completely unknown ...