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兰州及邻近地区河流阶地变形特征
引用本文:刘小凤,袁道阳,刘百篪.兰州及邻近地区河流阶地变形特征[J].西北地震学报,2003,25(2):119-124,142.
作者姓名:刘小凤  袁道阳  刘百篪
作者单位:中国地震局兰州地震研究所,甘肃,兰州,730000
基金项目:甘肃省九五科技攻关课题(GK1997-110A),国家重点基础发展规划项目(G1998040701-04),中国地震局兰州地震研究所论著编号:LC2002015
摘    要:根据兰州及邻区黄河及其次级河流阶地纵剖面研究,分析了横穿活动断裂的河流阶地的变形特征,利用横穿黄河的兴隆山—马衔山断裂、海原断裂和穿越庄浪河的NWW向断裂附近阶地发育和变形特征确定了相应地区的构造抬升幅度及速率。

关 键 词:河流阶地变形  活动构造  兰州地区
文章编号:1000-0844(2003)02-0119-06
收稿时间:2002/3/22 0:00:00

STUDY ON THE DEFORMATION CHARACTERISTICS OF RIVER TERRACES IN LANZHOU AND ADJACENT REGION
LIU Xiao-feng,YUAN Dao-yang and LIU Bai-chi.STUDY ON THE DEFORMATION CHARACTERISTICS OF RIVER TERRACES IN LANZHOU AND ADJACENT REGION[J].Northwestern Seismological Journal,2003,25(2):119-124,142.
Authors:LIU Xiao-feng  YUAN Dao-yang and LIU Bai-chi
Institution:Lanzhou Institute of Seismology, CSB, Gansu Lanzhou 730000, China,Lanzhou Institute of Seismology, CSB, Gansu Lanzhou 730000, China and Lanzhou Institute of Seismology, CSB, Gansu Lanzhou 730000, China
Abstract:According to the longitudinal profiles of river terraces of Yellow River and its branch rivers in Lanzhou and adjacent region, the deformation characteristics of river terraces which cross active faults are studied. The extents and rates of tectonic ascent in Lanzhou and adjacent region are confirmed with the growth and deformation characteristics of the river terraces at positions where the Yellow River terraces cross Xinglong-Maxian mountain fault and Haiyuan Fault,and the Zhuanglang River terraces cross a NWW branch fault of Zhuanglanghe fault.
Keywords:Deformation of river terrace  Active tectonics  Lanzhou area
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