昌马断裂带古地震遗迹初考

PRELIMINARY INVESTIGATION ON THE ANCIENT EARTHQUAKE TRACES IN CHANGMA FAULT ZONE

摘要:

本文对昌马断裂带的大河坝-小东沟梁一段所发现的一些古地震构造剖面及其它古地震地质标志进行了简要描述和分析,並对古地震遗迹所表示的古地震活动事件作了初步讨论,指出昌马断裂带是深入研究古地震活动的良好场所,

Abstract:

Many structure profiles and other geological marks of some ancient earthquake traces have been discovered in the region of Dahe flatland, Xiaodonggou ridge of Changma fault zone. In this paper, a brief description and analyses of the incidents of ancient seismic activities, which are revealed by the traces, have been done. The author believes that Changma fault zone would be a good place in which the ancient seismic activities can be deeply studied.