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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.
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]
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.
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 ...
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 palmwood is a favorite of rock collectors because it is replaced by silica and exhibits well-defined rod-like structures and variety of colors. As a result, it exhibits a wide range of colors and designs when cut that can be incorporated into jewelry and other ornamental items.
Araucaria mirabilis is an extinct species of coniferous tree from Patagonia, Argentina.It belongs to the genus Araucaria.. A. mirabilis are known from large amounts of very well preserved silicified wood and cones from the Cerro Cuadrado Petrified Forest, including tree trunks that reached 100 m (330 ft) in height in life.
For example, in Arizona, the state stone is turquoise and the state dinosaur is Sonorasaurus thompsoni yet the state fossil is petrified wood. The two first states to designate a state fossil were Nebraska and North Dakota, both in 1967. Seven states and the District of Columbia still lack an explicit state fossil: