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Terminal Moraine

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terminal moraine [′tər·mən·əl mə′rān]
(geology)
An end moraine that extends as an arcuate or crescentic ridge across a glacial valley; marks the farthest advance of a glacier. Also known as marginal moraine.

Terminal Moraine 

(also frontal moraine), fragmental material deposited in the form of one or several arched ridges at the lower end of a valley glacier when the glacier was in a stationary position for a long period of time. It includes material from lateral moraines and ground, medial, and internal moraines. Depressions dividing individual ridges of the terminal moraine are frequently occupied by lakes. The outer ridge generally rises several dozen meters over the valley floor.



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Magnificently showcasing the effects of continental glaciation (in some places the flow of glacial ice was as much as two miles deep) created a variety of geologic features including kames, kettles, drumlins, ice-walled-lake plans, eskers, tunnel channels, basalt bluffs, dells, and rock-strewn terminal moraines.
Long Island, Block Island, Martha's Vineyard, Nantucket and much of the Cape are remnants of the terminal moraine, where the vast ice sheet finally stalled and dropped its immense load of sand.
Specific topics include strike-slip fault, terminal moraine, tsunami, weathering, Yellowstone National Park, mass wasting, Kaapvaal craton, ichnofossils, greenstone belts, geodesy, El Nino, desalination, carbon cycle, and aa lava.
 
 
 
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