Diagenetic alteration affecting δ18O, δ13C and 87Sr/86Sr signatures of carbonates: A case study on Cretaceous seep deposits from Yarlung-Zangbo Suture Zone, Tibet, China

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Diagenetic alteration affecting δ¹⁸O, δ¹³C and ⁸⁷Sr/⁸⁶Sr signatures of carbonates: A case study on Cretaceous seep deposits from Yarlung-Zangbo Suture Zone, Tibet, China

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作者：Hongpeng Tong^a ; ^b ; ^{tonghp@scsio.ac.cn" class="auth_mail" title="E-mail the corresponding author} ; Qinxian Wang^b ; Jö ; rn Peckmann^c ; ^d ; Yuncheng Cao^a ; Linying Chen^a ; Weide Zhou^e ; Duofu Chen^a ; ^b ; ^{dfchen@shou.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：δ13C ; δ18O ; 87Sr/86Sr ; Diagenetic alteration ; Seep carbonate ; Tibet
刊名：Chemical Geology
出版年：2016
出版时间：9 December 2016
年：2016
卷：444
期：Complete
页码：71-82
全文大小：2988 K

文摘

•: A new Cretaceous seep deposit was discovered in Tibet, China.
•: Significant diagenetic alteration was recognized based on petrography and isotopes.
•: Linear correlations between δ¹⁸O vs. δ¹³C and δ¹⁸O vs. ⁸⁷Sr/⁸⁶Sr were observed.
•: δ¹³C and ⁸⁷Sr/⁸⁶Sr signatures can be altered to different degrees during diagenesis.
•: Means to quantitatively assess primary δ¹³C and ⁸⁷Sr/⁸⁶Sr signatures was developed.