首页> 中文期刊> 《地震研究进展(英文)》 >Characteristics of Late Quaternary Activity of the Luhuatai Buried Fault Revealed by Drilling

Characteristics of Late Quaternary Activity of the Luhuatai Buried Fault Revealed by Drilling

         

摘要

The Luhuatai fault is one of the important buried tectonics in the Yinchuan basin. Based on the results of shallow seismic exploration, we conducted composite drilling section exploration and dating of the samples from boreholes. Some useful data was obtained, such as the depth of the upper breaking point, the latest activity age, displacement in the late Quaternary, and slip rates, etc. This study shows that the activity is different between the north and south segment along the Luhuatai fault. The north segment is a Holocene fault, while the south segment is a late mid-Pleistocene fault. From north to south along the north segment of Luhuatai fault, the activity has been enhanced, and the faulting is stronger in late Pleistocene than Holocene.

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