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The combination of these processes continually recycles the ocean plate material. Most of the ocean floor is less than 100 million years in age. The oldest ocean plate is located in the Western Pacific, and has an estimated age of about 200 million years. By comparison, the oldest fossils found on land have an age of about 3 billion years. [21 ...
A relict, in geology, is a structure or mineral from a parent rock that did not undergo metamorphic change when the surrounding rock did, or a rock that survived a destructive geologic process. Some geologic processes are destructive or transformative of structures or minerals, and when a process is not complete or does not completely destroy ...
This animal was a filter feeder, using its lophophore to extract organic matter from passing seawater. The soft bodied fossils of this genus were important in establishing hyoliths as possible members of the lophophorata alongside brachiopods and bryozoans. Fuxianospira: A filamentous fossil considered either to represent an alga or a coprolite ...
Tree remains that have undergone petrifaction, as seen in Petrified Forest National Park. In geology, 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.
Image Location of discovery Date of discovery Age of remains in radiocarbon years BP Comments Adams mammoth: Mouth of the Lena River, Siberia [1] 1799 [1] [2] 35,800 [1] [3] It is the first complete mammoth skeleton ever to be reconstructed. Originally, it was an entire mummified mammoth carcass. [2] Beresovka Mammoth Berezovka River, Siberia ...
The fossil has been identified as a new silesaurid, an extinct group of reptiles. Paleontologists debate whether silesaurids were true dinosaurs or possibly a precursor to the creatures that once ...
This list of the Paleozoic life of Tennessee contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Tennessee and are between 538.8 and 252.17 million years of age.
A National Geographic documentary team has found on Mount Everest what they believe is the partial remains of a British climber who vanished 100 years ago during a quest to become among the first ...