OSL dating of sea floor sediments at the okinawa trough

Vaidehi Varma; Shin Toyoda; Yusuke Isono; Ai Uchida; Debabrata Banerjee; Ashok Kumar Singhvi; Jun Ichiro Ishibashi

doi:10.1007/978-4-431-54865-2_48

OSL dating of sea floor sediments at the okinawa trough

Vaidehi Varma, Shin Toyoda, Yusuke Isono, Ai Uchida, Debabrata Banerjee, Ashok Kumar Singhvi, Jun Ichiro Ishibashi

Material Science of Solar Planets

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

In estimating the ages of sea floor hydrothermal deposits, the age of the sediments overlying it would give the youngest limit if the sedimentation age is correct. The OSL (optically stimulated luminescence) method was applied to two sediment cores taken by an acrylic corer from the seafloor in the Okinawa Trough. The ages, obtained by the polymineral fine grain method, did not correlate with the stratigraphic sequence within the core, implying either insufficient bleaching of the sediments at the time of the deposition or mixing of sediments of different ages. The polymineral fine grain OSL dating method did not work to date the present sediment samples at the sea floor in the Okinawa Trough.

Original language	English
Title of host publication	Subseafloor Biosphere Linked to Hydrothermal Systems
Subtitle of host publication	TAIGA Concept
Publisher	Springer Japan
Pages	617-620
Number of pages	4
ISBN (Electronic)	9784431548652
ISBN (Print)	9784431548645
DOIs	https://doi.org/10.1007/978-4-431-54865-2_48
Publication status	Published - Jan 1 2015

All Science Journal Classification (ASJC) codes

Earth and Planetary Sciences(all)

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10.1007/978-4-431-54865-2_48

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abstract = "In estimating the ages of sea floor hydrothermal deposits, the age of the sediments overlying it would give the youngest limit if the sedimentation age is correct. The OSL (optically stimulated luminescence) method was applied to two sediment cores taken by an acrylic corer from the seafloor in the Okinawa Trough. The ages, obtained by the polymineral fine grain method, did not correlate with the stratigraphic sequence within the core, implying either insufficient bleaching of the sediments at the time of the deposition or mixing of sediments of different ages. The polymineral fine grain OSL dating method did not work to date the present sediment samples at the sea floor in the Okinawa Trough.",

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AU - Varma, Vaidehi

AU - Toyoda, Shin

AU - Isono, Yusuke

AU - Uchida, Ai

AU - Banerjee, Debabrata

AU - Singhvi, Ashok Kumar

AU - Ishibashi, Jun Ichiro

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AB - In estimating the ages of sea floor hydrothermal deposits, the age of the sediments overlying it would give the youngest limit if the sedimentation age is correct. The OSL (optically stimulated luminescence) method was applied to two sediment cores taken by an acrylic corer from the seafloor in the Okinawa Trough. The ages, obtained by the polymineral fine grain method, did not correlate with the stratigraphic sequence within the core, implying either insufficient bleaching of the sediments at the time of the deposition or mixing of sediments of different ages. The polymineral fine grain OSL dating method did not work to date the present sediment samples at the sea floor in the Okinawa Trough.

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OSL dating of sea floor sediments at the okinawa trough

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