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Figure 2. Tectonic subsidence curves for passive margin settings. Locations shown on Figure 1. Solid curves correspond to time scale at top of graph and dotted lines to time scale at bottom of graph. Thermal decay curve (dashed) for subsidence of cooling seafloor (Stein and Stein, 1992), minus (i.e., shallowed) 500 m, is shown for comparison. 1—Paleozoic Miogeocline, southern Canadian Rocky Mountains (Bond and Kominz, 1984); 2—Moroccan Basin (Ellouz et al., 2003); 3—Campos Basin (Mohriak et al., 1987); 4—Gippsland Basin (Falvey and Mutter, 1981; P. Yin, 1985, personal commun.); 5—Gulf of Lion (Benedicto et al., 1996); 6—U.S. Cordilleran Miogeocline (Bissell, 1974; Armin and Mayer, 1983; Devlin et al., 1986; Devlin and Bond, 1988); 7—Lusitanian Basin (Stapel et al., 1996); 8—U.S. Atlantic margin (Steckler and Watts, 1978; Swift et al., 1987).
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