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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Non-linear acoustic and seismic

Reference It's a stretch to bring this to earthquakes, but that's what I do.  I'm glad they are doing this in the lab, since I was looking at this for earthquakes 30 years ago.  Non-linearity simply means they blast the hell out of it.  With dynamics, all materials have a low stress linear zone, and then it starts to curve as the amplitude gets higher.  With imaging, they have to be careful not

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