Sedimentary Phosphate Method for Estimating Paleosalinities
- 17 November 1967
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 158 (3803) , 917-920
- https://doi.org/10.1126/science.158.3803.917
Abstract
The widespread occurrence of sedimentary phosphate in argillaceous sediments provides the basis for a new method of paleosalinity estimation. Sedimentary phosphate contains iron- and calcium-phosphate fractions, the relative proportions of which are sensitive to salinity of the water at sites of deposition. The sedimentary phosphate method provides direct estimates of paleosalinity throughout the freshwater to marine range.Keywords
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