RADIOISOTOPES
Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303
Radiometric Dating Methods Using Natural Radiation Damage
Ultra-low-temperature Thermochronology Using Optically Stimulated Luminescence (OSL)
Manabu OgataShigeru Sueoka
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2021 Volume 70 Issue 3 Pages 159-172

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Abstract

Optically stimulated luminescence (OSL) thermochronometry is a method for estimating the thermal histories in the ultra-low-temperature domain less than several tens °C. This method is capable of reconstructing the exhumation histories of a period over which rocks are exhumed several hundred meters assuming general geothermal structure. Thus it is expected to be used for unraveling tectonic activities over 104–105 year timescale. We introduce the principle and closure temperature of OSL thermochronometry, the latest method of thermal history analyses, and case studies of OSL thermochronology.

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