Coastal & Marine Geology InfoBank

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

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/isotopemal_lin.html
Page Contact: InfoBank staff
Page Last Modified: Tue Dec 16 06:28:46 PST 2008 (wcs)

Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior \| U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/isotopemal_lin.html Page Contact: InfoBank staff Page Last Modified: Tue Dec 16 06:28:46 PST 2008 (wcs)