RUI: A Crucial Test of Large Scale Terrane Translation: Examination of Albian-Cenomanian Conglomerates along the Intermontane/Insular Superterrane Boundary, Southwestern

9628515马奥尼在美国和加拿大科迪勒拉的一个主要争议涉及异地地体向北平移的数量和时间。古地磁数据表明，晚白垩世至始新世之间，岛状地体和山间地体都发生了大规模的平移，但地质资料显然将晚白垩世以来的边缘平行位移总量限制在很小的范围内。这项调查将试图通过检验大规模平移假说的具体预测，即利用上白垩统地层在80-55 Ma之间大(2000公里)的相对位移，以及检验在两个超地体上发现的这个时代的岩石之间的地层联系来解决这一争议。预计结果将提供强有力的数据来解决这一争议，这也将有助于深入了解其他造山系统中的大规模位移记录。

9628515 Mahoney A key controversy in the US and Canadian Cordillera concerns the amount and timing of northward translation of allochthouous terranes. Paleomagnetic data imply large-scale translation of both Insular and Intermontane terranes between late Cretaceous and Eocene times, but geologic data apparently limits the total margin-parallel displacement to much smaller amounts since late Cretaceous time. This investigation will attempt to resolve the controversy by testing a specific prediction of the large-scale translation hypothesis, namely a large (2000 km) relative displacement between the 80-55 ma, by use of upper Cretaceous strata, and an examination stratigraphic linkages between the rocks of this age that are found on both superterranes. Results are expected to provide robust data to resolve this controversy, which should also be useful in providing insight into the record of large-scale displacements in other orogenic systems.