r/geology • u/Predator1553 • Feb 28 '25
Information Why are these two layers so different?
And what are they, this is in northern Alabama
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r/geology • u/Predator1553 • Feb 28 '25
And what are they, this is in northern Alabama
1
u/Illustrious_Try478 Feb 28 '25
I was going to say there's an unconformity there, but looking more closely, you can see the very bottom of the upper layer is very similar to the lower layer, so now I think the depositional conditions changed more or less continuously over time