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磷灰石裂变径迹的实验原理及地质应用

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磷灰石裂变径迹是近些年来一种最常用的低温测年手段,它记录了岩石在60 ℃~120 ℃的热历史信息,反映浅部地表的冷却历史.文章结合已发表的外文文献,重点介绍了以下几个方面:(1)磷灰石裂变径迹实验原理;(2)磷灰石裂变径迹实验数据处理软件(TrackKey和HeFTy)的使用和数据解释;(3)磷灰石裂变径迹在地质方面的应用,包括山体剥露的过程、古地貌、断层活动时间、盆地演化过程的研究.相对于其他传统的同位素测年方法,磷灰石裂变径迹具有封闭温度低、温度敏感度高以及测年的精度高等优点,是研究地质体低温热历史信息最有效的方法之一.
Apatite Fission Track Dating Method and Its Application
Apatite fission track is the most common low-temperature thermochronology dating method in re-cent years,which records the thermal history information of rocks at 60 ℃~120 ℃ and reflects the cooling his-tory of shallow surface.Based on the published literature at abroad,this paper mainly introduces the following aspects:(1)the experiment principle of apatite fission track;(2)the processing software(TrackKey and HeFTy)and interpretation of apatite fission track data;(3)the geological application of apatite fission track,in-cluding the studies of the mountain exhumation,paleogeomorphology,the age of fault activity and basin evolu-tion.Comparing with other traditional isotopic dating methods,apatite fission track is one of the most effective methods to study the low temperature thermal history information of geological bodies because of its low annealing temperature,high temperature sensitivity and accuracy.

low-temperature thermochronologyapatite fission trackthermal history

邓玉珍

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山西自然博物馆,山西太原 030024

低温热年代学 磷灰石裂变径迹 热历史

国家自然科学基金山西省基础研究计划

42302241202103021223120

2024

山西师范大学学报(自然科学版)
山西师范大学

山西师范大学学报(自然科学版)

影响因子:0.512
ISSN:1009-4490
年,卷(期):2024.38(3)