U-shaped valley


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Related to U-shaped valley: Glaciated valley

U-shaped valley

[′yü ¦shāpt ′val·ē]
(geology)
A type of valley with a broad floor and steep walls produced by glacial erosion. Also known as trough valley; U valley.
References in periodicals archive ?
Over time, this process may lead to the formation of steep-sided U-shaped valleys.
During the hike, the guide noted that this area had been covered by a massive ice sheet 300 million years ago, and over the centuries the erosive action of glaciers sculpted the U-shaped valleys and lakes that today make up the stunning landscape around the mountain.
Also, the fascinating rock formations, lakes and U-shaped valleys are strong evidence of the previous ice age which remind me of my A-level geology days.
Climbing out of the U-shaped valleys of Seneca and Cayuga Lakes is a bit of a huff 'n' puff, but the persistent hiker is rewarded with magnificent views.
Nestled below the rock are hundreds of twisted canyons and U-shaped valleys, which have some of the most fantastic landscapes in North America.
The U-shaped valleys were created by slow-moving glaciers.