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USGS CMG InfoBank Geology School: isotope

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Title Comment Keywords
Geologic Time 30 minutes / n.a. "absolute age dating", "James Hutton", isotope, "geologic time", element, fossil, Bible, "age", superposition, "sedimentary rock", "rock formation", "relative age dating", radioactivity, "radioisotope", "Principle of Superposition", "mass spectrometer", correlation
Radioactivity 18:06 - 18:55 (00:49) / 0.8 MB isotope, radioisotope, radioactivity, element, "absolute age dating"
Isotopes 18:55 - 19:37 (00:42) / 0.5 MB "radioactive decay", "radiometric age dating", "radiocarbon dating", isotope, element, "absolute age dating"
Carbon-14 19:37 - 20:27 (00:50) / 1.8 MB "radiocarbon dating", carbon-14, radioactivity, carbon, atmosphere, water, plant, animal, isotope, "absolute age dating"
Uranium-235 21:37 - 22:16 (00:39) / 0.8 MB radioisotope, uranium-235, element, lead-207, isotope, "absolute age dating"
Determining the Age of Rocks 22:16 - 23:19 (01:03) / 1.1 MB "geologic age", mineralogy, mineral, element, isotope, "mass spectrometer", "isotopic ratio", "absolute age dating"
Mass Spectrometer 23:19 - 24:58 (01:39) / 1.5 MB "Jason Saleeby", "mass spectrometer", isotope, element, "absolute age dating"
Heating Magma 03:09 - 03:59 (00:50) / 0.8 MB volcano, "David Sigurdson", heat, radioactivity, isotope, potassium, thorium, uranium, decay, magma
Geology School Keywords
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URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/isotopemal_lin.html
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Page Last Modified: Thu Oct 31 04:24:38 PDT 2013  (chd)