recent beds
41chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
42ÉOCÈNE — Le mot «Éocène» (du grec héôs , aurore, et kainos , récent) a été créé, en 1833, par le géologue anglais Charles Lyell pour désigner les formations du bassin de Paris déposées au dessus de la craie, et dont les faunes avaient été étudiées peu… …
43South America — South American. a continent in the S part of the Western Hemisphere. 271,000,000; ab. 6,900,000 sq. mi. (17,871,000 sq. km). * * * Continent, Western Hemisphere. The world s fourth largest continent, it is bounded by the Caribbean Sea to the… …
44Paleontology — Palaeontology redirects here. For the scientific journal, see Palaeontology (journal). Paleontology studies the entire history of life on Earth. Paleontology (pronounced /ˌpælɪɒnˈtɒlədʒi/; British: palaeontology; from Greek: παλαιός… …
45Patagonia — For other uses, see Patagonia (disambiguation). Official map of cartographer of the King of Spain, Juan de la Cruz Cano y Olmedilla, 1775. Patagonia is a region located in Argentina and Chile, integrating the southernmost section of the A …
46Psittacosaurus — Taxobox name = Psittacosaurus fossil range = Early Cretaceous image width = 200px image caption = Mounted cast of a Psittacosaurus mongoliensis skull at the Australian Museum, Sydney. regnum = Animalia phylum = Chordata classis = Sauropsida… …
47Northern Cordilleran Volcanic Province — NCVP …
48Ninemile Creek (Onondaga Lake) — Coordinates: 43°05′21″N 76°13′46″W / 43.08911°N 76.22952°W / 43.08911; 76.22952 …
49Geology of England — The Geology of England is mainly sedimentary. The youngest rocks are in the south east around London, progressing in age in a north westerly direction. [ [http://www.soton.ac.uk/ imw/Geology Britain.htm Southampton University] retrieved 21/1/07]… …
50dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
