http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
World Data Center-A for Marine Geology & Geophysics
World Data Center-A for Marine Geology and Geophysics ; published by the National Geophysical Data Center ; age-color overlay image by R. Dietmar Mueller, University of Sydney ; combined age-relief images by Peter W. Sloss, NOAA-NESDIS-NGDC ; contributing authors and institutions, R.D. Mueller [and others].
Title from title screen (viewed Jan. 15, 2014).
"The color image representing crustal ages was created from a digital age grid of the ocean floor with a grid node interval of 0.1 degrees using a self-consistent set of global isochrons and associated plate reconstruction poles. ..."
Report (World Data Center-A for Marine Geology & Geophysics) ; MGG-12