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How did layers b and d compare in age if rock layers between b and d have eroded away what is the boundary between b and d called
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How did layers b and d compare in age if rock layers between b and d have eroded away what is the boundary between b and d called

User Pavle Predic
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Rock layer D is older than rock layer B. The boundary between both layers is called an unconformity.

Sorry if I happened to spell something wrong!

User Ben Hirschberg
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