Lake Tapps tephra: An early Pleistocene stratigraphic marker in the Puget Lowland, Washington
Quaternary Research
By: J.A. Westgate, D.J. Easterbrook, N. D. Naeser, and R.J. Carson
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Abstract
The rhyolitic Lake Tapps tephra was deposited about 1.0 myr ago, shortly after culmination of the early phase of the Salmon Springs Glaciation in the Puget Lowland. It is contained within sediments that were deposited in ponds or lakes in front of the reteating glacier. An herb-dominated tundra existed in the southern Puget Lowland at that time. Lake Tapps tephra is most likely the product of an eruption that in part was phreatomagmatic. It forms an early Pleistocene stratigraphic marker across the southern sector of the Puget Lowland and provides a link between Puget lobe sediments of the Cordilleran Ice Sheet and sediments deposited by Olympic alpine glaciers. ?? 1987.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lake Tapps tephra: An early Pleistocene stratigraphic marker in the Puget Lowland, Washington |
| Series title | Quaternary Research |
| DOI | 10.1016/0033-5894(87)90002-0 |
| Volume | 28 |
| Issue | 3 |
| Year Published | 1987 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Quaternary Research |
| First page | 340 |
| Last page | 355 |
| Google Analytic Metrics | Metrics page |