radiometric ageとは 意味・読み方・使い方

名詞

radiometric age (複数形 radiometric ages)

1. (archaeology, paleontology, geology, geochronology) The age of a material as determined by radiometric dating.
   • 2001, Allen H. Andrews, Erica J. Burton, Kenneth H. Coale, Gregor M. Cailliet, Roy E. Crabtree, Radiometric age validation of Atlantic tarpon, Megalops atlanticus, Fishery Bulletin, Volume 99, Issue 3, National Oceanic and Atmospheric Administration, page 394,

     For older age groups and individual cores, annulus-derived age was higher than radiometric age by as much as 21.8 years and lower than radiometric age by as much as 23 years.

   • 2007, Clarence A. Hall Jr., Introduction to the Geology of Southern California and Its Native Plants, University of California Press, page 129,

     For additional radiometric ages and references to the radiometric ages in the table above see Dickinson, (1997), Wilson et al., (2005) and Tables A1–A6 in Hall, (2002).

   • 2012, Felix. M. Gradstein, James G. Ogg, Mark D. Schmitz, Gabi M. Ogg, The Geologic Time Scale 2012, Elsevier, page 638,

     Use is made of a smoothing spline fit on the two way plot between the composite standard scaling of the stages (Table 23.2) and radiometric ages.