radiogenic isotope


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radiogenic isotope

[¦rād·ē·ō¦jen·ik ′ī·sə‚tōp]
(nuclear physics)
An isotope which was produced by the decay of a radioisotope, but which itself may or may not be radioactive.
References in periodicals archive ?
Having perfected this method of speleothem chronology with near pinpoint accuracy in previous research over the years in their state-of-the-art Radiogenic Isotope Laboratory at UNM that Asmerom leads, they were equipped to date the delicate florets that adhered to the top of Naia's body after she fell in the cave.
The relative increase for each radiogenic isotope is a function of the decay rate of their radioactive parent isotopes [sup.
General topics include basic principles of atomic physics, including nuclear systematics decay modes of radionuclides, radioactive decay and geochronometry, radiogenic isotope geochronometers, including a complete range of methods, the geochemistry of radiogenic isotopes, including igneous rocks, water, and sediment, and the oceans, short-lived radionuclides, and fractionation of stable isotopes.
Whole-rock analysis of radiogenic isotope suites (esp.
One way to determine the time is to find the radiogenic isotope composition of any crustal sample, and to compare its isotope signature with that of the depleted mantle.
A second radiogenic isotope that helps to provenance plant-ash glass is neodymium ([sup.
His research group is responsible for inorganic and radiogenic isotope geochemistry.
The book concentrates on current research directions and methodologies that use the geochemistry of sedimentary rocks, especially their radiogenic isotope and whole rock chemical composition.
They provide us with valuable information on the mineral assemblages, fluid inclusions, microstructures, rheologies, major and trace element chemistries, stable and radiogenic isotope characteristics and timing relationships in slabs that have been subducted to depth up to some 200-250 km.
The abundance of 86Sr is similar to that of 87Sr; the radiogenic isotope 87Sr comprises approximately 7.
I will cover three linked approaches, namely high precision analyses of (i) nucleosynthetic isotope anomalies, (ii) radiogenic isotopes and (iii) trace elements.