Knobhead Moraine [SEP] continent
Knobhead Moraine
Knobhead Moraine () is a conspicuous moraine of large boulders to the north of Knobhead, Quartermain Mountains, in Victoria Land, Antarctica. It continues northward between the Cavendish Rocks and the western end of the Kukri Hills as a medial moraine in lower Taylor Glacier. The moraine was first observed by Lieutenant Albert B. Armitage, Royal Naval Reserve, second in command of the British National Antarctic Expedition, 1901–04, who named it in association with Knobhead.
Cascade subcontinent that docked with Washington about 50 million years ago as the entire continent of North America moved west across the ocean. The Alps were heavily eroded by glaciers in the last ice age. The Vashon lobe of the ice sculpted Rattlesnake Ledge, steeply carved the east and west sides of Squak Mountain, and deposited a large erratic on Cougar Mountain, Fantastic Erratic.
Cedar Butte rises abruptly from the moraine between Rattlesnake Ledge and the absolute front of the Cascades. It is sometimes considered part of the Issaquah Alps but it