What is the name for an isolated boulder of unexpected rock type that has been transported by a glacier and stranded after the ice melts?

QUESTION POSTED AT 16/04/2020 - 07:57 PM

Answered by admin AT 16/04/2020 - 07:57 PM

The name for an isolated boulder of unexpected rock type that has been transported by a glacier and stranded after the ice melts is ERRATIC.

Erratic is different from the local bedrock. It is a rock fragment  that is glacier-transported . Erratic may be found on the ground surface which may be in the same size as pebbles to huge boulders.
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