NEW GEOLOGIC MAPPING IN THE TENALQUOT PRAIRIE AND VAIL QUADRANGLES, WASHINGTON, INDICATES THAT CASCADE ARC VOLCANISM STARTED ABOUT 46 MA, ASSOCIATED VOLCANIC DEPOSITS LIKELY FILLED AN EOCENE FAULT-BOUNDED TACOMA BASIN NORTHEAST OF THE OLYMPIA STRUCTURE, PRE-VASHON DEPOSITS HERE EXTEND SEVERAL KILOMETERS FARTHER SOUTH THAN VASHON DEPOSITS, AND HIGH-VOLUME MELTWATER DISCHARGE MARKED THE GLACIAL ICE MARGIN

Autor: Michael Polenz, Megan Anderson, Jeffrey H. Tepper, Gabriel Legorreta Paulín, Frank Hladky, Alison Horst, Daniel P. Miggins
Rok vydání: 2021
Předmět:
Zdroj: Geological Society of America Abstracts with Programs.
ISSN: 0016-7592
DOI: 10.1130/abs/2021am-371189
Databáze: OpenAIRE