绿帘石的裂变径迹退火特征:在地质年代学和地质学上的应用

Nuclear Track Detection Pub Date : 1978-09-01 DOI:10.1016/0145-224X(78)90014-5

Hari S. Saini, O.P. Sharma, Rajinder Parshad, K.K. Nagpaul

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引用次数: 16

摘要

在标准化蚀刻条件下，对绿帘石的裂变径迹进行了系统的退火实验，得到了修正曲线。印度中央邦Sausar群绿帘石的修正裂变径迹年龄及其退火特征有助于评价Sausar带的冷却历史。对绿帘石矿物的退火性质进行了比较研究，发现了类似的现象。诱导裂变235U的裂变碎片范围平均值为10.9 μm，铀浓度平均值为4×10-6 g/g，活化能平均值为2.0 eV。

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Fission track annealing characteristics of epidote: Applications to geochronology and geology

Systematic annealing experiments on fission tracks in epidote, under standardized etching conditions, have been carried out to obtain the correction curve. The corrected fission track ages of epidotes from the Sausar group, Madhya Pradesh (India), coupled with their annealing characteristics help to evaluate the cooling history of Sausar belt. A comparative study of the annealing properties of epidote minerals shows a similar behaviour. The mean values of fission fragment range for induced fission ²³⁵U, uranium concentration and activation energy determined are 10.9 μm, 4×10^-6 g/g and 2.0 eV, respectively.

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