Geologic and Geomorphologic Conditions for Slope Collapse Occurrences in Fujian

Ge Hongli; Huang Yanhe; Jiang Fangshi

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Geologic and Geomorphologic Conditions for Slope Collapse Occurrences in Fujian

- Geologic and Geomorphologic Conditions for Slope Collapse Occurrences in Fujian
- Bulletin of Soiland Water Conservation Vol. 26, Issue 2, Pages: 128-131(2007)
- 作者机构：
  
  福建农林大学资源与环境学院,福建,福州,350002
- 作者简介：
- 基金信息：
- DOI：
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- Published：2007
- 稿件说明：
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Ge Hongli, Huang Yanhe, Jiang Fangshi. Geologic and Geomorphologic Conditions for Slope Collapse Occurrences in Fujian[J]. Bulletin of Soiland Water Conservation, 2007, 26(2): 128-131.
DOI：

Ge Hongli, Huang Yanhe, Jiang Fangshi. Geologic and Geomorphologic Conditions for Slope Collapse Occurrences in Fujian[J]. Bulletin of Soiland Water Conservation, 2007, 26(2): 128-131. DOI：

摘要

以福建省崩岗最发育的地区安溪县官桥镇-龙门镇、长汀县河田镇、永春县达埔镇-蓬壶镇和诏安县官陂镇为对象

从岩性、构造、地质发展史3个方面阐明崩岗侵蚀的地质和地貌背景。结果表明

大规模崩岗发育区的地质、地貌背景是燕山晚期大面积侵入性质均匀的岩石(花岗岩体)

位于从古生代至今长期活动的区域性主干断裂带上

发育的地貌处于壮年期的晚期向老年期的发展阶段。海拔高度与崩岗地区的相对侵蚀基准面高度两个指标共同影响着崩岗的发育

相对高差在20～100m以内崩岗最发育。

Abstract

Aiming to study slope collapse in Guanqiao-Longmen (Anxi)

Hetian (Changting)

Dapu-Penghu (Yongchun) and Guanpo (Zhaoan)

Fujian Province

this paper discusses geologic and geomorphologic background for slope collapse erosion based on rock characteristics

geological structure and history of geology. Results show that in the areas over which slope collapse is most widely dist ributed

rock is characterized by neat int ruded rock (granite) in the later period of Yanshan

which is located in the regional rift zone being active from the Paleozoic Era. The developed landform is in a phase from late mature stage to old stage. Altitude and relative eroded datum plane jointly affect the development of slope collapse

and slope collapse mainly takes place in the areas where relative height is 20～100 m.

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