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onlapThe termination of shallowly dipping, younger strata against more steeply dipping, older strata, or the termination of low-angle reflections in seismic data against steeper reflections. Onlap is a par [..]
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onlap
(geology) The phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks.
* date=December 14, 2001|author=Senthil Kumar et al.|title [..]
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