Mechanisms of Lithospheric Extension and Basin Evolution in the Canning Basin (Paleozoic), Northwestern Australia

岩石圈伸展在空间上是一个不均匀的过程，在许多情况下与区域尺度的滑脱断裂有关，并伴随着克拉通内盆地的发育和充填。该项目旨在通过对澳大利亚西北部坎宁盆地的综合地质和地球物理研究，测试岩石圈延伸的一般模型的预测。利用澳大利亚BMR项目的数据，本研究将根据地震数据构建盆地的横截面，进行沉降分析，以估计盆地发展的同裂谷和后裂谷阶段的构造和沉积物荷载沉降，并将使用重力数据来限制一般模型的适用性。研究结果有望对目前一些关于伸展岩石圈内分离作用和克拉通内盆地沉降机制的定性观点进行定量检验。

Lithospheric extension is a spatially inhomogeneous process, in many cases associated with detachment faults of regional dimensions and accompanied by development and filling of intra- cratonic basins. This project is designed to test predictions of a general model for lithospheric extension using an integrated geological and geophysical study of the Canning Basin, north- western Australia. Utilizing data from an active Australian BMR project, this study will construct cross sections of the basin from seismic data, undertake subsidence analysis to estimate tectonic and sediment loading subsidence during both the syn-rift and post-rift phases of basin development and will use gravity data to constrain the applicability of the general model. Results are expected to provide a quantitative test of some currently qualitative ideas about the role detachments within extending lithosphere and the subsidence mechanisms in intra- cratnonic basins.