<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Quartz grains from sediments in Japan are derived from complex mixtures of sources, including volcanic, plutonic, metamorphic and sedimentary rocks. We have measured the OSL signal of quartz grains from modern coastal sediments derived from different source rocks and compared these characteristics with the likely source. Each sample shows a different combination of various OSL components. It is concluded that the source rock affects the characteristics of the OSL components from quartz grains in Japanese sediments. By comparing the LM-OSL signals from volcanic sources with those from various source rocks, it can be deduced that quartz which has a higher fast component ratio is more suitable for dating. We also conclude that volcanic source areas should be avoided.</p></abstract>

Quartz grains from sediments in Japan are derived from complex mixtures of sources, including volcanic, plutonic, metamorphic and sedimentary rocks. We have measured the OSL signal of quartz grains from modern coastal sediments derived from different source rocks and compared these characteristics with the likely source. Each sample shows a different combination of various OSL components. It is concluded that the source rock affects the characteristics of the OSL components from quartz grains in Japanese sediments. By comparing the LM-OSL signals from volcanic sources with those from various source rocks, it can be deduced that quartz which has a higher fast component ratio is more suitable for dating. We also conclude that volcanic source areas should be avoided.

The Characteristics of OSL Signal from Quartz Grains Extracted from Modern Sediments in Japan

Graduated school of Science and Engineering, Yamaguchi University, 1677-1 Yoshida, Yamaguchi prefecture 753-8511, Japan

Leibniz Institute for Applied Geosciences, Geochronology and Isotope Hydrology, Stilleweg 2, D-30655 Hannover, Germany

Nordic Laboratory for Luminescence Dating, Department of Earth Sciences, Aarhus University, Risø DTU, DK-4000 Roskilde, Denmark

Geochronometria

Quartz grains from sediments in Japan are derived from complex mixtures of sources, including volcanic, plutonic, metamorphic and sedimentary rocks. We have...

The Characteristics of OSL Signal from Quartz Grains Extracted from Modern Sediments in Japan

Online veröffentlicht: 05. Jan. 2011

Seitenbereich: 13 - 19

DOI: https://doi.org/10.2478/v10003-010-0020-6

Schlüsselwörter
SAR protocol, LM-OSL, OSL component, Japanese sediments, source rock

This content is open access.

The Characteristics of OSL Signal from Quartz Grains Extracted from Modern Sediments in Japan

Online veröffentlicht: 05. Jan. 2011

Seitenbereich: 13 - 19

DOI: https://doi.org/10.2478/v10003-010-0020-6

SchlüsselwörterSAR protocol, LM-OSL, OSL component, Japanese sediments, source rock

This content is open access.

Schlüsselwörter
SAR protocol, LM-OSL, OSL component, Japanese sediments, source rock