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JAEA Reports

Sample preparation method for measurement of in-situ belliyum-10 and allumium-26 in terrestrial quartz using accelerator mass spectrometry at Tono Geoscience Center, Japan Atomic Energy Agency

Kokubu, Yoko; Matsushi, Yuki*; Ishizaka, Chika*; Hirao, Noriaki*; Yonaga, Yusuke; Yoshikawa, Kiyotaka*

JAEA-Testing 2019-002, 101 Pages, 2019/11

JAEA-Testing-2019-002.pdf:4.69MB

This report provides a description of sample preparation method for measurement of in-situ belliyum-10 ($$^{10}$$Be) and allumium-26 ($$^{26}$$Al) in terrestrial quartz using accelerator mass spectrometry at Tono Geoscience Center, Japan Atomic Energy Agency. The report is based on the laboratory manual "Chemistry for in-situ $$^{10}$$Be and $$^{26}$$Al measurement for terrestrial quartz by AMS at MALT ver.1.3 and ver.2.2" prepared by ph.D Matsushi at Kyoto University.

Oral presentation

Applicability of feldspar OSL dating; A Case study of dated MIS 5c marine terrace in the Suzu, Noto Peninsula

Ogata, Manabu; Nishiyama, Nariaki; Matsushi, Yuki*; Uchida, Mao; Komatsu, Tetsuya; Sueoka, Shigeru

no journal, , 

Optically stimulated luminescence (OSL) dating of feldspar is one of the most promising methods for determining the emergence ages of Middle-Late Pleistocene marine terraces on account of the following reasons: (1) feldspar is ubiquitous in Quaternary sediments; (2) the applicable dating range extends from several thousand to several hundred thousand years; and (3) the OSL signal is reset during sediment transport and exposure to sunlight, and is therefore capable of constraining burial (depositional) ages. Previous studies have demonstrated the application of feldspar OSL dating to Japanese marine terraces by cross-checking with the known tephrochronological framework. However, there are still few examples, and thus the accumulation of the case studies is required to improve the reliability. In this presentation, we will present the results of feldspar OSL dating of MIS 5c marine terrace sediments in Suzu, Noto Peninsula.

Oral presentation

Dating marine terraces by terrestrial cosmogenic nuclides; Applicability and limitations

Matsushi, Yuki*; Komatsu, Tetsuya; Sueoka, Shigeru; Yonaga, Yusuke; Ogawa, Yumi*; Fujita, Natsuko; Kokubu, Yoko

no journal, , 

no abstracts in English

Oral presentation

Dating of marine erosional terraces using cosmogenic nuclides; A Case study of the Hyuga City, Miyazaki Prefecture, southwest Japan (preliminary results)

Sueoka, Shigeru; Komatsu, Tetsuya; Matsushi, Yuki*; Yonaga, Yusuke; Sano, Naomi; Hirao, Noriaki*; Ueki, Tadamasa; Fujita, Natsuko; Kokubu, Yoko; Niwa, Masakazu

no journal, , 

no abstracts in English

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