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#geological strata #earth layers #soil profile #rock layers #cross-section layers #substrate #deposition

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#strata #earth layers #rock layers #sediments #geological strata

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#geological strata #rock layers #sedimentary lines #earth lines #stratigraphic column

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#rock folds #geological strata #mountain formation #rock layers

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#geological strata #earth layers #soil profile #rock layers #sediment layers #ground cross-section