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THE ROLE OF GRAVITATIONAL POTENTIAL ENERGY IN ACTIVE DEFORMATION IN THE SOUTHWESTERN UNITED STATES

机译:重力势能在美国西南部主动变形中的作用

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In orogenic belts, intrinsic (buoyancy) and extrinsic (boundary) forces act on the continental lithosphere; determining the relative importance of these forces is fundamental to understanding the dynamics of continental deformation. In the western United States, estimates of gravitational potential energy show that, given available constraints on rheology, buoyancy forces are sufficient to produce the wide variety of rates and styles of observed deformation, including absence of deformation. This underscores the importance of gravitational potential energy for deformation in orogenic belts. [References: 52]
机译:在造山带中,内在(浮力)和外在(边界)力作用于大陆岩石圈。确定这些力的相对重要性对于理解大陆变形的动力学至关重要。在美国西部,对重力势能的估计表明,在流变学方面存在可用的限制条件下,浮力足以产生观察到的形变的各种速率和样式,包括不存在形变。这强调了重力势能对于造山带变形的重要性。 [参考:52]

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