Pre-Olympia Pleistocene stratigraphy and chronology in the central Puget Lowland, Washington
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Abstract
Drifts of two pre-Olympia glaciations separated by nonglacial sediments are widespread in the central Puget Lowland of western Washington. The Double Bluff Drift (older) and Possession Drift represent advances of the Puget lobe of the Cordilleran ice sheet more than 40,000 years ago. The nonglacial Whidbey Formation between the drifts was formed in streams and lakes. During its deposition, climate was initially cool and moist, as inferred from pollen in peat beds, but subsequently it became much like that of the present in the lowland. The Possession Drift is tentatively correlated with glacial deposits of Salmon Springs age in the southern part of the lowland. The Whidbey Formation may correlate with nonglacial deposits between two Salmon Springs Drifts or with the Puyallup Formation.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pre-Olympia Pleistocene stratigraphy and chronology in the central Puget Lowland, Washington |
| Series title | GSA Bulletin |
| DOI | 10.1130/0016-7606(1967)78[13:PPSACI]2.0.CO;2 |
| Volume | 78 |
| Issue | 1 |
| Year Published | 1967 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 8 p. |
| First page | 13 |
| Last page | 20 |
| Country | United States |
| State | Washington |
| Other Geospatial | Central Puget Lowland |
| Google Analytic Metrics | Metrics page |