Continental Pleistocene Climatic Variations from Speleothem Age and Isotopic Data
- 24 May 1974
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 184 (4139) , 893-895
- https://doi.org/10.1126/science.184.4139.893
Abstract
Speleothems from continental North American caves have been dated by means of the 230Th/234U method. Oxygen isotopic variations in the dated samples and phases of speleothem deposition can be interpreted in terms of climatic change. A glacial chronology constructed from the age and isotopic data lends support to the astronomical theory of climatic change.Keywords
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