A Geological Description of Concretion Since the 18th Century (1396 words, 2 pages)
Dating back to the 18th century concretions have been known as geologic curiositys due to the various sizes, shapes and compositions. Concretions have also been thought to be dinosaur eggs, extra-terrestrial debris, human artifacts and animal and plant fossils. Due to these curiositys I will try and enlighten you more ...
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