PPT-Radiogenic Isotope Geochemistry II

Lecture 29 Isochrons This equation has the form y a bx Plotting the radiogenic isotope ratio against the parent daughter ratio the intercept with be R 0 and the slope will be e. Chapter 6. Isotope Geochemistry. In isotope geochemistry, our primary interest is not in dating, but using the time-dependent nature of isotope ratios to make inferences about the nature of reservoirs in the Earth and their evolution.. Matt Jackson . and . Bill . McDonot. Sr-Nd. isotope plot. Global OIB (ocean island basalts, hotspots) and MORB (mid-ocean ridge basalt). We will model . Sr-Nd. isotopic evolution by crust-mantle differentiation.. Prospecting. in . OIL & GAS EXPLORATION . Innovative exploration . of oil and gas for more than 15 years. YUGRANEFTEGAS. Research Center. http://www.geochemistry.ru. Yugraneftegas. Research Center is a service company offering a wide range of services and solutions in oil and gas industry. The Company has been in the market since 1998.. Geochemistry?. Geo (geology, . gaia. ) + chemistry. A field of study dealing geological phenomena and problems with chemical tools and principles. Prerequisites?. Physical geology, . minerlaogy. , petrology, economic geology. Physical Chemistry of CO2 (Reid . Grigg. ). Aqueous Carbonate Chemistry. Mineral Dissolution and Precipitation. P-T phase diagram for H2O. AC is the boiling point curve.. AB defines the freezing point.. Magdalena Kowalska. CERN, PH-Dept.. kowalska@cern.ch. . below. Outline . 2. Laser spectroscopy on radioactive nuclei. Optical isotope shifts. A long way from isotope shifts to charge radii. Take-home message . Lecture 31 . Mass Dependent Fractionation. . If . a 4‰ fractionation of . δ. 18. O . is observed in a particular sample, what value of . δ. 17. O . do we predict? . We might guess it would ½ as much. . Lecture 30 . Beginnings. Stable isotope geochemistry is concerned with variations in the isotopic compositions of elements arising . small . differences in the chemical behavior of different isotopes of an . Bedtime stories for STEM. By Tom. TALE #1. What dating was like before Match.com. CARBON 14. Carbon 14 dating. Only valid on remains of living organisms. Rarely used for time >BP 20,000 years. C14 CORRECTIONS. Lecture 33 . Stable Isotopes in the Hydrosphere and Biosphere. Isotopic Fractionation in the Hydrosphere. δ. 18. O in the oceans is nearly constant at 0. However, as a consequence of Rayleigh fractionation and temperature dependence of the water-vapor fractionation factor, the isotopic composition of precipitation varies widely.. A potential new access to neutrons.  . Yong. . Joong. LEE (ESS). Mikael Jensen.  . (DTU-NUTECH). April 30, 2019. Kick-off Meeting on New H2020 Project, . Erice. , . Italy. Mission Statement: ESS Radioisotope Production Station. Exploration. . *Geochemistry in Mineral Explora. tion. , 2. nd. Edition, 1981, New York. By: Ross A. W., . Hawkes. H. E. and Webb J. S.. *Introduction to Exploration Geochemistry. , 2. nd. Edition, 1980, USA. Biology. Shane . Lamos. Vermont Genetics Network Annual Retreat. August 7, 2013. 1. Systems Biology -. 2. Seeks to discover the link between molecules and physiology . Top Down – “. omics. ”, phenomenon based. Adrian Boyce, Tony . Fallick. . and . Gary Mullen. Drew Drummond and Aileen Doran*. Scottish Universities Environmental Research Centre (SUERC), East . Kilbride. , Glasgow, Scotland, UK. Mogul – .