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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.
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.
Polished section of petrified wood showing annual rings. Most dinosaur bones are permineralized. Petrified wood: Permineralization is the first step in petrification. In petrification, the cellulose cell walls are completely replaced by minerals.
Chert (/ tʃ ɜːr t /) is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, [1] the mineral form of silicon dioxide (SiO 2). [2] Chert is characteristically of biological origin, but may also occur inorganically as a chemical precipitate or a diagenetic replacement, as in petrified wood.
Visitors can see petrified wood scattered through the park’s southern end and clustered in five large petrified wood deposits referred to as forests: Rainbow Forest, Crystal Forest Jasper Forest ...
In geology, silicification is a petrification process in which silica-rich fluids seep into the voids of Earth materials, e.g., rocks, wood, bones, shells, and replace the original materials with silica (SiO 2). Silica is a naturally existing and abundant compound found in organic and inorganic materials, including Earth's crust and mantle ...
Collections include petrified wood, various fossils, fluorescent minerals, meteorites, zeolites, and a variety of other minerals. With more than 20,000 specimens, the museum is the largest of its kind in the Pacific Northwest. The facility has around 25,000 visitors each year.
Kimberly Cooley-Reyes, 66, falls into that category. An avid gardener, Cooley-Rees found human composting after her best friend passed away several years ago and had a green burial.
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