Abstract
Devils Lake is a closed, saline lake in North Dakota; it is typical of lake basins in the Great Plains Region, where windy conditions and fluctuating water-levels disturb sediment and confound chronostratigraphy. Pollen analysis and 210Pb dating of two cores collected from bathymetrically contrasting embayments demonstrate (1) how certain agriculture-related pollen types differ in their value as chronostratigraphic markers, (2) how pollen and 210Pb stratigraphies can be reconciled to determine the approximate depth of sediment mixing, and (3) the importance of coring-site selection, especially in lakes with unstable sedimentary conditions.
Original language | English (US) |
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Pages (from-to) | 81-97 |
Number of pages | 17 |
Journal | Journal of Paleolimnology |
Volume | 2 |
Issue number | 2 |
DOIs | |
State | Published - Jun 1 1989 |
Keywords
- Pb dating
- chronostratigraphy
- North Dakota
- pollen analysis
- Salsola iberica