National Geochronological Database

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Description Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.
Originators Sloan, Jan (Editor), Henry, Christopher D. (Editor), Hopkins, Melanie J. (Editor), Ludington, Stephen D. (Editor), Zartman, Robert E. (Compiler), Bush, Charles A. (Compiler), Abston, Carl C. (Compiler)
Publication U.S. Geological Survey Open-File Report 03-236
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