- index fossils
- index fossils spl GEOL Leitfossilien pl
English-german dictionary. 2013.
index fossils
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Index fossil — Index fossils (also known as guide fossils or zone fossils) are fossils used to define and identify geologic periods (or faunal stages). They work on the premise that, although different sediments may look different depending on the conditions… … Wikipedia
index fossil — Geol., Paleontol. a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used esp. in determining the age of related formations. Also called guide fossil. [1895 1900] * * * any… … Universalium
index fossil — n. any fossil of wide geographical distribution and a short range in time, used to correlate and date rock strata and their associated fossils … English World dictionary
Mazon Creek fossils — The Mazon Creek fossils are conservation lagerstätten found near Morris, in Grundy County, Illinois. The fossils are found in ironstone concretions, formed approximately 300 mya in the mid Pennsylvanian Epoch of the Carboniferous Period. These… … Wikipedia
Conodont Alteration Index — The Conodont Alteration Index (CAI) is used to estimate the maximum temperature reached by a sedimentary rock using thermal alteration of conodont fossils. Conodonts in fossiliferous carbonates are prepared by dissolving the matrix with acid,… … Wikipedia
Akron Fossils & Science Center — The Akron Fossils Science Center is a museum in Copley Township, Akron, Ohio devoted to teaching Creation Science and Intelligent Design in contrast to commonly accepted models of planetary and animal evolution. It was opened May 26, 2005,… … Wikipedia
List of U.S. state fossils — Most American states have made a state fossil designation, in many cases during the 1980s. It is common to designate one species in which fossilization has occurred, rather than a single specimen, or a category of fossils not limited to a single… … Wikipedia
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Paleontology — 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… … Wikipedia
Flood geology — Part of a series on Creationism History of creationism Neo creationism … Wikipedia
