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Stories about: epoch

Which Are the Earth's Eras? In the 19th century, scientists discovered that the rocks with fossils are deposited in a defined stratigraphical order, an this is how Paleontology emerged. Already in 1761, Giovanni Arduino saw that the rocks could be assigned to ages: Primary, Secondary, and Tertiary. In 1829, J. Desnoyers added the Quaternary.Tod... 10 September 2007 14:06 GMT