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Stratigraphy is the study of rock strata and their intrepretation in term of absolute or relative age.

6 votes
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Which are the biggest methodological differences between the archaeological and geological a...

Geological stratigraphy is established from physical exposures and by measuring structural shapes such as the strike and dip of strata (a branch of geology called Structural geology. …
Peter Jansson's user avatar
10 votes

How accurate is the law of superposition?

The principle does not apply to all materials on earth as observed by us but is primarily concerned with sediments and rocks that form from sediments. Since sedimentation is a process driven by gravit …
Peter Jansson's user avatar