NDLI: Evolution and global correlation for strontium isotopic composition of marine Triassic from Huaying Mountains, eastern Sichuan, China

Content Provider	Springer Nature Link
Author	Hu, ZuoWei Huang, SiJing Qing, HaiRuo Wang, QingDong Wang, ChunMei Gao, XiaoYong
Copyright Year	2008
Abstract	Strontium isotope stratigraphy (SIS) has progressively become an efficient chemostratigraphic tool in the research and correlation of global geological events, such as global sea level fluctuations, orogeny, and paleoclimatic and paleoenvironmental changes. In this paper, $^{87}$Sr/$^{86}$Sr ratios of the Triassic marine carbonate rock samples from Huaying Mountains, eastern Sichuan are measured, and the corresponding Sr-isotopic curve is constructed, based on the fundamental principle of strontium isotope stratigraphy, analysis of rock fabric, luminescent intensity, chemical composition and representative evaluation for the coeval seawater information. The $^{87}$Sr/$^{86}$Sr ratios show a rapid rise from 0.70721 near the Permian-Triassic transition to 0.70830 at the end of Early Triassic, and then they decline rapidly to 0.70787 in the early Middle Triassic. These data are generally coincident with $^{87}$Sr/$^{86}$Sr ratios of coeval seawater from previous papers, and the curve is also similar to other previous curves. This indicates that the global geological events are the most important controlling factors to the strontium isotope evolution of the global seawater in the Early and Middle Triassic.
Starting Page	540
Ending Page	549
Page Count	10
File Format	PDF
ISSN	10069313
Journal	Science in China Series D: Earth Sciences
Volume Number	51
Issue Number	4
e-ISSN	18622801
Language	English
Publisher	SP Science in China Press
Publisher Date	2008-03-26
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	Triassic marine carbonate strontium isotope global correlation Huaying Mountains eastern Sichuan Geosciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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