- uranium dating
- a method of dating archaeological or geological specimens by determining the decay activity of the uranium in a given sample.
Useful english dictionary. 2012.
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uranium dating — a method of dating archaeological or geological specimens by determining the decay activity of the uranium in a given sample. * * * … Universalium
Uranium-uranium dating — is a radiometric dating technique utilizing the comparison of two isotopes of uranium (U) in a sample: 234U and 238U. 234U/238U dating is one of several radiometric dating techniques exploiting the uranium radioactive decay series, in which 238U… … Wikipedia
Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and … Wikipedia
Uranium-234 — Infobox isotope background = #fc6 text color = isotope name = Uranium 234 isotope filename = alternate names = mass number =234 symbol =U num neutrons =142 num protons =92 abundance =0.0055% halflife =246,000 years error halflife = decay product … Wikipedia
Uranium-thorium dating — Uranium thorium dating, also called thorium 230 dating, uranium series disequilibrium dating or uranium series dating, is a radiometric dating technique commonly used to determine the age of carbonate materials such as speleothem or coral [ [http … Wikipedia
Uranium-lead dating — Uranium lead is one of the oldest and most refined radiometric dating schemes, with a routine age range of about 1 million years to over 4.5 billion years, and with routine precisions in the 0.1 1 percent range. [Parrish, Randall R.; Noble,… … Wikipedia
Dating methodologies in archaeology — Dating material drawn from the archaeological record can be made by a direct study of an artifact or may be deduced by association with materials found in the context the item is drawn from or inferred by its point of discovery in the sequence… … Wikipedia
uranium-lead dating — noun (geology) A method of determining the age in years of geological material, based on the known decay rate of uranium isotopes to lead isotopes • • • Main Entry: ↑uranium … Useful english dictionary
dating — 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 … Universalium
uranium-thorium-lead dating — or common lead dating Method of dating very old rocks by means of the amount of common lead they contain. Common lead is any lead from a rock or mineral that contains a large amount of lead and a small amount of the radioactive precursors of lead … Universalium