Puget Lobe

E1022425

The Puget Lobe was a large tongue of glacial ice that advanced into the Puget Sound region of Washington State during the last ice age, shaping much of the area’s modern topography.

All labels observed (1)

Label Occurrences
Puget Lobe canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf glacial lobe
tongue of glacial ice
advancedInto Puget Sound region
associatedGlaciationName Vashon Glaciation
boundedByToEast Cascade Range
boundedByToWest Olympic Mountains
country United States
createdLandforms drumlins
eskers
kettles
moraines
outwash plains
proglacial lakes
till plains
deposited Vashon till
end moraines at its maximum extent
glacial outwash sediments
eroded Lake Sammamish basin
linked to: Lake Sammamish

Lake Washington basin
Lake Whatcom basin
linked to: Lake Whatcom

basins now occupied by Puget Sound
deep troughs of Puget Sound
straits and inlets of Puget Sound
evidencePreservedIn glacial landforms of Seattle area
stratigraphy of Puget Lowland
flowDirection generally southward
geologicPeriod Pleistocene
linked to: Pleistocene epoch
influenced distribution of soils in Puget Sound region
drainage patterns in Puget Sound lowland
locations of modern lakes in Puget Sound region
locations of modern rivers in Puget Sound region
locations of modern wetlands in Puget Sound region
lastMajorAdvanceApproximateAge about 17,000 years ago
lastMajorAdvanceDuring Last Glacial Maximum
locatedIn Pacific Northwest
Washington State
linked to: Washington
maximumExtentApproximateLatitude near Tenino, Washington
maximumExtentDirection southward
maximumThickness over 1,000 meters
over 3,000 feet
partOf Cordilleran Ice Sheet
primaryIceSource Fraser Lowland and interior British Columbia
regionImpacted Olympia area
Seattle metropolitan area
Tacoma area
retreatedBy about 13,000 years ago
shaped modern topography of Puget Sound lowland
studiedInDiscipline Quaternary geology
glacial geology

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cordilleran Ice Sheet majorLobe Puget Lobe