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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 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.
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.
Over time the wood will usually be the part of a plant that is best preserved (and most easily found). 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.
Petrified Forest National Park may not ring a bell, even though more than half a million people visited last year, according to National Park Service data. “People come to Petrified Forest ...
All that petrified wood, for one thing. Plus dino fossils, petroglyphs and amazing scenery. Best things to see and do at Petrified Forest and Painted Desert: A complete guide
The petrified forest was formed by successive volcanic eruptions which took place between 17 and 20 million years ago, covering a large part of the island in lava and ash. The earliest forests show the vegetation, at the time of formation was subtropical, which differs from the present day Mediterranean vegetation. [ 4 ]