In 1913 Clapp introduced the term contraposed shoreline (contraposed meaning placed against) to denote a shoreline that has been cut through soft mantle until it reaches underlying hard rock (Bates and Jackson, 1980). Thus the shoreline changes character rapidly as it evolves from an initial nearly straight and cliffed form to an irregular one following the shape of the hard rock surface. As an example, Clapp cited the coast in the vicinity of Victoria, British Columbia, where the shoreline has been developed in a “drift-covered crystalline rock.”
In a footnote to the article (Clapp, 1913) the author acknowledged Professors W. M. Davis and D. W. Johnson, who suggested that he devise a name for this type of shoreline.
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References
Bates, R. L., and Jackson, J. A., 1980. Glossary of Geology. Falls Church: American Geological Institute, 749p.
Clapp, C. H., 1913. Contraposed shorelines, Jour. Geology 2, 537–540.
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© 1982 Hutchinson Ross Publishing Company
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Schwartz, M.L. (1982). Contraposed shoreline . In: Beaches and Coastal Geology. Encyclopedia of Earth Sciences Series. Springer, New York, NY. https://doi.org/10.1007/0-387-30843-1_133
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DOI: https://doi.org/10.1007/0-387-30843-1_133
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