Limestone. 1 m rms. l=10 N s J C 100 100 1 0 4 0 0 0 0 0 0 0 0 1500 -1480 0 0 1 0 99.99 1480 0 0 0 1 0 100 2500 800 0.1 0.2 2.2 1. 7.07 50 0.1 99.9 41 40 1200 1E8 -1 1 512 0 4 20 1 0 100 12 20 20 60 4