NDLI: Isotopic feature and uranium dating of the volcanic rocks in the Okinawa Trough

Content Provider	Springer Nature Link
Author	Huang, Peng Li, Anchun Hu, Ningjing Fu, Yongtao Ma, Zhibang
Copyright Year	2006
Abstract	Volcanic rocks from the northern and middle Okinawa Trough were dated by uranium-series dating method. Differential fractions using magnetic procedure were designed to separate samples. New report on the ages and isotopic data of rocks in the northern trough (especially black pumice) was discussed. Based on the uranium dates and Sr-Nd isotopic ratio, magmatic evolution process of the Okinawa Trough was noted. Firstly, there have been wide silicic volcanic activities in the Okinawa Trough from late Pleistocene to present, and the volcanic rocks can be divided into three subgroups. Secondly, magma generally came from PREMA source area under the Okinawa Trough. Magmatic evolution in the northern trough was similar to the middle, but different to the south. Finally, volcanic activities indicated that opening of the southern Okinawa Trough did not happen due to the collision between Luson Arc and Eurasian Plate until the early Pleistocene.
Starting Page	375
Ending Page	383
Page Count	9
File Format	PDF
ISSN	10069313
Journal	Science in China Series D: Earth Sciences
Volume Number	49
Issue Number	4
e-ISSN	18622801
Language	English
Publisher	Science in China Press
Publisher Date	2006-03-25
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	Okinawa Trough black pumice uranium-series dating Sr-Nd isotopic ratio magmatic evolution Geosciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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