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| Fig. 3.36d: Shape curvature analysis of the A1 sandstone at the Emigrant Gap anticline, WY. Smallest absolute value of normal curvature in units (1/m) is |kn| = 1 exp(-9). Successive plots set curvatures less than a given threshold to zero. a) |kn| < 1 exp(-5) = 0. b) |kn| < 1 exp(-4) = 0. c) |kn| < 1 exp(-3) = 0. The surface is reduced to an antiformal hinge and planar limbs. | ||||
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