Читать книгу Continental Rifted Margins 1 - Gwenn Peron-Pinvidic - Страница 21

Wide/diffuse rifts are characterized by uniform thinning of the crust and lithospheric mantle over a width greater than the thickness of the lithosphere (Figure 1.8). The resulting geometry typically corresponds to isolated basins that are distributed over broad regions (Brun Choukroune 1983), as in the Basin and Range Province (e.g. Dickinson 2002; Parsons 2006). Unlike narrow rifts, wide/diffuse rifts are characterized by relatively small lateral gradients in crustal thickness and topography variations, with a relatively flat Moho.