ATTEMPTS AT DATING PUMICE DEPOSITS AROUND 580-KA BY USE OF RED TL AND ESR OF XENOLITHIC QUARTZ INCLUSIONS

被引：30

作者：

MIALLIER, D ^{[1
]}

FAIN, J ^{[1
]}

SANZELLE, S ^{[1
]}

PILLEYRE, T ^{[1
]}

MONTRET, M ^{[1
]}

SOUMANA, S ^{[1
]}

FALGUERES, C ^{[1
]}

机构：

[1] INST PALEONTOL HUMAINE, F-75013 PARIS, FRANCE

来源：

RADIATION MEASUREMENTS | 1994年 / 23卷 / 2-3期

关键词：

D O I：

10.1016/1350-4487(94)90070-1

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The ESR dating technique and the TL dating technique were applied to the same samples of quartz grains, which were heated during a pumice eruption dated at 580 +/- 20 ka by means of 40Ar/39Ar single grain laser fusion. The additive dose technique was used. The age obtained by use of the red TL quartz, 544 +/- 42 ka, was in agreement with the expected age. The Al and Ti paramagnetic centres of quartz gave highly scattered age results, depending on the regression method that was used; for this reason, it was not possible to propose any reliable ESR age. This seems to confirm the analysis of the relevant literature, which suggests that the long-range dating limit of the technique is below half a million years.

引用

页码：399 / 404

页数：6

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