Electron spin resonance signals of quartz in present-day river bed sediments and possible source rocks in the Kizu River basin, Western Japan

In this study, measurements of electron spin resonance (ESR) signals from quartz grains from present-day river bed sediments of the Kizu River basin (western Japan) were used to estimate the mixing ratios of the possible source materials of these fluvial deposits. The dose-saturated ESR signal inten...

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Bibliographic Details
Published in:Geochronometria 2016-01, Vol.43 (1), p.155-161
Main Authors: Shimada, Aiko, Takada, Masashi, Toyoda, Shin
Format: Article
Language:English
Subjects:
Aluminum
Electron paramagnetic resonance
Electron spin
Electrons
ESR
Fluvial deposits
Fluvial sediments
Grains
Mixing ratio
Quartz
Resonance
River basins
river bed sediments
River beds
River sediments
Rivers
Rocks
sediment provenance
Sediments
source rocks
Spin resonance
Titanium
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Summary:In this study, measurements of electron spin resonance (ESR) signals from quartz grains from present-day river bed sediments of the Kizu River basin (western Japan) were used to estimate the mixing ratios of the possible source materials of these fluvial deposits. The dose-saturated ESR signal intensities obtained from the Al and Ti-Li centers in quartz grains were close to the range between the maximum and minimum intensities of their potential source rocks, meaning it was possible to estimate the mixing ratios of these sources. The results indicate that the dose-saturated Al and Ti-Li center ESR intensities can be used to quantitatively estimate the provenance of the sediments deposited by the Kizu River.
ISSN:1733-8387
1897-1695
DOI:10.1515/geochr-2015-0039