carbon age determination

См. также в других словарях:

• carbon-14 dating — or radiocarbon dating Method of determining the age of once living material, developed by U.S. physicist Willard Libby in 1947. It depends on the decay of the radioactive isotope carbon 14 (radiocarbon) to nitrogen. All living plants and animals… …   Universalium

• carbon dating — ► NOUN ▪ the determination of the age of an organic object from the relative proportions of the isotopes carbon 12 and carbon 14 that it contains …   English terms dictionary

• Carbon-14 — Infobox isotope background = #999999 isotope name = Carbon 14 num neutrons = 8 num protons = 6 isotope filename = alternate names = radiocarbon mass number=14 abundance = 1 part per trillion symbol=C decay product = 14N halflife=5,730 error… …   Wikipedia

• Carbon monoxide poisoning — This article is about carbon monoxide poisoning. For general information on carbon monoxide, see carbon monoxide. Carbon monoxide poisoning Classification and external resources Spacefilling model of a carbon monoxide molecule …   Wikipedia

• carbon — n. 1 a non metallic element occurring naturally as diamond, graphite, and charcoal, and in all organic compounds. Usage: Symb.: C. 2 a = carbon copy. b = carbon paper. 3 a rod of carbon in an arc lamp. Phrases and idioms: carbon black a fine… …   Useful english dictionary

• carbon dating — noun Date: 1951 the determination of the age of old material (as an archaeological or paleontological specimen) by means of the content of carbon 14 • carbon date transitive verb …   New Collegiate Dictionary

• carbon dating — noun the determination of the age of an organic object from the relative proportions of the isotopes carbon 12 and carbon 14 that it contains …   English new terms dictionary

• Bronze Age — For other uses, see Bronze Age (disambiguation). Diffusion of metallurgy in western Europe. The darkest areas are the oldest. Bronze Age …   Wikipedia

• 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

• Radiometric dating — (often called radioactive dating) is a technique used to date materials such as rocks, usually based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates.[1]… …   Wikipedia

• Radiocarbon dating — (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon 14 (14C) to estimate the age of carbon bearing materials up to about 58,000 to 62,000 years.[1] Raw, i.e. uncalibrated …   Wikipedia