用裂变径迹法研究断层活动年龄的初步探讨

地震地质 ›› 1988, Vol. 10 ›› Issue (4): 199-205.

用裂变径迹法研究断层活动年龄的初步探讨

王庆隆, 万景林

国家地震局地质研究所

收稿日期:1988-06-30 出版日期:1988-12-07 发布日期:2009-11-25

APPLICATION OF FISSION TRACK METHOD TO TIMING OF FAULTING

Wang Qing-long, Wan Jing-lin

Institute of Geology, State Seismological Bureau

Received:1988-06-30 Online:1988-12-07 Published:2009-11-25

摘要/Abstract

摘要： 裂变径迹年代测定是研究断层活动年龄的新方法,它基于磷灰石中裂变径迹的退火效应。本文报导了取自郯庐断裂带等地区12个磷灰石和一个榍石的裂变径迹年龄,结果表明,在断裂带中磷灰石裂变径迹的退火效应非常明显,效应随离断层带的距离增加而减弱。结合断层带的活动特点和原岩的年龄,对断层带中磷灰石裂变径迹年龄的解释及今后的研究方向作了探讨。

关键词: 裂变径迹, 断层活动年龄

Abstract: Fission track method is a new approach for dating of faulting. The method is based on the annealing effect of fission track in apatite.This paper presents the fission track data of 12 apatite and 1 sphene samples collected from Tanlu fault zone and other areas. The results indicate that the annealing effect of fission track is very significant within the fault zone and decreases with increasing distance from the fault zone. Taking the features of the fault zone and the ages of the host rocks into consideration, the authors have discussed the interpretation of fission track ages and the aspect of further study.

Key words: Fission track, Ages of faulting

王庆隆, 万景林. 用裂变径迹法研究断层活动年龄的初步探讨[J]. 地震地质, 1988, 10(4): 199-205.

Wang Qing-long, Wan Jing-lin. APPLICATION OF FISSION TRACK METHOD TO TIMING OF FAULTING[J]. SEISMOLOGY AND GEOLOGY, 1988, 10(4): 199-205.

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