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The soil of Seattle, the county's (and state's) largest city, is approximately 80% glacial drift, most of which is Vashon glacial deposits , [7] and nearly all of the city's major named hills are characterized as drumlins (Beacon Hill, First Hill, Capitol Hill, Queen Anne Hill) or drift uplands (Magnolia, West Seattle).
The Vashon Glaciation, Vashon Stadial or Vashon Stade is a local term for the most recent period of very cold climate in which during its peak, glaciers covered the entire Salish Sea as well as present day Seattle, Tacoma, Olympia and other surrounding areas in the western part of present-day Washington (state) of the United States of America. [1]
The soil of Seattle, the state's largest city, is approximately 80% glacial drift, most of which is Vashon glacial deposits , [7] and nearly all of the city's major named hills are characterized as drumlins (Beacon Hill, First Hill, Capitol Hill, Queen Anne Hill) or drift uplands (Magnolia, West Seattle).
The glacial erratic was carried 55 mi (89 km) by the Vashon Glacier 14,000 years ago. Wedgwood Rock is a glacial erratic (known to geologists as the Wedgwood Erratic) near the neighborhood of Wedgwood in Seattle, Washington. Its mineral composition matches that of Mount Erie, on Fidalgo Island in Skagit County, Washington, [1] 55 mi (89 km) north.
A glacial erratic is a glacially deposited rock differing from ... glacier and subsequently deposited on top of the glacial drift. ... Mountain near Seattle. Glen ...
On these cruises (usually toward the end), I look forward to encountering Hubbard Glacier, the largest tidewater glacier in North America. Its scale is truly staggering, stretching 6 miles wide ...
When the glacial ice receded northward, reaching the Olympia area, a low drainage was reached in the eastern Black Hills. Using the Black River as its primary drainage, Lake Russell came into existence was continued after the edge of the ice had withdrawn from the region. Using two channels, the waters drained south to the Chehalis River valley ...
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