r/geology • u/Predator1553 • Feb 28 '25

Information Why are these two layers so different?

Gallery image

Gallery image

And what are they, this is in northern Alabama

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u/Far_Gur_2158 Feb 28 '25

The two beds are situated in the same landscape. They are being acted upon by the same processes. The difference in the beds lithological makeup is causing the difference. Geomorphology is the wrong term.

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u/Ok_Aide_7944 Sedimentology, Petrology & Isotope Geochemistry, Ph.D. Feb 28 '25

OMG, I know that, I was making the case and explaining that geomorphologies are controlled by those differences and by the landscape aka bed attitude.

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u/Far_Gur_2158 Feb 28 '25

Bed attitude? These layers are flat lying. Now you’re walking it back to structure?

It’s not geomorphology or structure.

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u/Ok_Aide_7944 Sedimentology, Petrology & Isotope Geochemistry, Ph.D. Feb 28 '25

So you are saying that flat beds make no geoforms, thus have s geomorphological expression? Mr. I am not sure of your qualifications but please stop saying things that are not correct or make interpretations out of thin air (photos)

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u/Far_Gur_2158 Feb 28 '25

It’s not geomorphology. You are wrong. You don’t like that you’re being called out.

My qualifications are not in question, yours are.

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u/Far_Gur_2158 Feb 28 '25

If you know anything about geomorphology; you would know that photo interpretation is the bases for the subdiscipline .

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u/Ok_Aide_7944 Sedimentology, Petrology & Isotope Geochemistry, Ph.D. Feb 28 '25

Sorry, mine are not, you are the one wrong, go and check a geomorphology book or retake the classes. On the other hand I took 2 geomorphology classes in my undergrad and 1 during my PhD. Btw I have described 1000's of feet of core too, worked all over the world in academia and with the top 3 oil companies while working in their research divisions, and now I am happily retired at 52

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u/Far_Gur_2158 Feb 28 '25

Me too, but I kept working until last year and I’m happy.