Glacial age marsh, Lafayette Park, Washington, D.C.
Science
By: A.S. Knox
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Abstract
Organic sediments beneath historic Lafayette Park mark the site of a freshwater marsh which bordered the Potomac River when it was 15 meters above its present level. Plant microfossils and ice-rafted boulders indicate a climate much colder than now. The carbon-14 age of more than 45,000 years and palynological studies suggest an early Wisconsin age.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Glacial age marsh, Lafayette Park, Washington, D.C. |
| Series title | Science |
| Volume | 165 |
| Issue | 3895 |
| Year Published | 1969 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 795 |
| Last page | 797 |