Paleoproterozoic meta-carbonates from the central segment of the Trans-North China Orogen: Zircon U-Pb geochronology, geochemistry, and carbon and oxygen isotopes
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- 作者：Li Tanga ; b ; M. Santosha ; c ; santosh@cugb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Toshiaki Tsunogaeb ; d ; Teruyuki Maruokab
- 关键词：Meta-carbonate ; Zircon U&ndash ; Pb geochronology ; Carbon and oxygen isotopes ; Fuping and Zanhuang Complexes ; Trans-North China Orogen
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：284
- 期：Complete
- 页码：14-29
- 全文大小：6629 K
文摘
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The depositional age for the Wanzi Group is further constrained as 1.95–1.93 Ga and the Central Zanhuang Domain as 2.03–1.90 Ga.
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The protoliths of meta-carbonates were deposited in a proximal and shallow marine environment.
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The Wanzi Group was deposited in a forearc basin and the Central Zanhuang Domain was formed in a back-arc basin.
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The positive excursion of δ13C values in the Fuping area is possibly related to the Lomagundi or Jatulian Event.