Encyclopedia of Soil Science

2008 Edition
| Editors: Ward Chesworth


Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-3995-9_55

In geology, a coherent layer or stratum in a stratigraphical sequence of sedimentary rocks. In soil science a visually distinct layer of volcanic ash or windblown sand for example, within a profile. Tephra layers are particularly valuable in dating the soils of volcanic regions (Newton, 1996).



  1. Newton, A.J., 1996. Tephrabase. a tephrochronological database. Quatern. Newslett., 78: 8–13.Google Scholar

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© Springer 2008