Boulders that are lithologically different than the local bedrock (like a loose Precambrian gneiss found sitting on top of bedded Paleozoic limestones) are called_________ .
A) erratics
B) transportees
C) ectatics
D) come from aways

Question

Quizplus · Accepted Answer

Erratics are rocks or boulders that differ from the size and type of rock native to the area in which they rest. They were carried and deposited by glacial ice, often traveling long distances from their place of origin.

Boulders That Are Lithologically Different Than the Local Bedrock (Like