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The Helan Shan and Zhuozi Shan of the NW Ordos basin, China, contain thick (up to 4 km) sequences of nonmarine Triassic strata. These rocks represent a major intraplate sedimentary basin, the paleogeography, tectonic setting and provenance of which are poorly understood and controversial. Studies of the sedimentary geology of the basin, supported by new palinspastic reconstruction of younger deformation,...
This study deals with the reconstruction of intraplate paleostresses. Calcite twinning inversion provides paleostress directions and differential values, even in poorly outcropping areas. However, existing methods are not well adapted to multi-phase deformation cases, and the calculation of stress values provides unreliable estimates.Modifications were brought to a calcite twinning inverse method...
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