USGS CMG InfoBank Geology School: radiometric age dating

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Title	Comment	Keywords
Concentric Growth of North America	12:43 - 13:27 (00:44) / 0.6 MB	mountain, orogeny, continent, "radiometric age dating", "North American Continent", "Appalachian Mountains", "Sierra Nevada", "Cascade Range", accretion, "James Sadd"
Dating Unconformity	21:02 - 21:25 (00:23) / 1.2 MB	"Dee Trent", unconformity, fossil, "radiometric age dating"
Introduction to Geologic Time	00:40 - 01:42 (01:02) / 0.9 MB	introduction, "Archbishop Usher", "geologic age", "growth ring", "radiometric age dating", Bible, geologist
Isotopes	18:55 - 19:37 (00:42) / 0.5 MB	"radioactive decay", "radiometric age dating", "radiocarbon dating", isotope, element, "absolute age dating"
Conclusion	25:39 - 27:00 (01:21) / 1.5 MB	"James Sadd", radioisotope, "relative age dating", "absolute age dating", mineral, superposition, horizontality, "cross-cutting relationship", "radiometric age dating", geologist, "rock formation", "geologic structure"

Geology School Keywords

U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/radiometric_age_dating.html
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Page Last Modified: Tue Feb 5 05:13:10 PST 2013 (chd)