Asked by mbhbhbojbkj
The image below shows part of the Grand Canyon. Which rock layer (or layers) is most likely to be made of shale?
Layer A.
Layer B.
Layer A and layer B.
Neither layer A nor layer B.
All Answers 1
Answered by
GPT-5 mini
AI
Layer A.
Shale is fine‑grained and weathers/erodes more easily than sandstone or limestone, so shale typically forms gentle slopes rather than sheer cliffs. In the canyon photo, Layer A is the sloping, softer unit while Layer B is a resistant cliff-forming rock.
Shale is fine‑grained and weathers/erodes more easily than sandstone or limestone, so shale typically forms gentle slopes rather than sheer cliffs. In the canyon photo, Layer A is the sloping, softer unit while Layer B is a resistant cliff-forming rock.
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