Isotope geochemistry | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-27

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Isotope_geochemistry


00:00:46 1 Stable isotope geochemistry
00:02:44 1.1 Hydrogen
00:02:57 1.2 Carbon
00:04:29 1.3 Nitrogen
00:05:08 1.4 Oxygen
00:06:16 1.5 Sulfur
00:07:05 2 Radiogenic isotope geochemistry
00:07:58 2.1 Lead–lead isotope geochemistry
00:09:36 2.2 Samarium–neodymium
00:11:10 2.3 Rhenium–osmium
00:12:09 3 Noble gas isotopes
00:12:40 3.1 Helium-3
00:16:21 4 Uranium-series isotopes
00:16:57 4.1 Protactinium/Thorium – sup231/supPa / sup230/supTh
00:18:33 5 Anthropogenic isotopes
00:18:44 5.1 Tritium/helium-3
00:19:25 6 See also



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SUMMARY
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Isotope geochemistry is an aspect of geology based upon the study of natural variations in the relative abundances of isotopes of various elements. Variations in isotopic abundance are measured by isotope ratio mass spectrometry, and can reveal information about the ages and origins of rock, air or water bodies, or processes of mixing between them.
Stable isotope geochemistry is largely concerned with isotopic variations arising from mass-dependent isotope fractionation, whereas radiogenic isotope geochemistry is concerned with the products of natural radioactivity.