Stable Isotope Evidence for Hydrocarbon Seepages in the Kenting Mélange at Baoli, Hengchun Peninsula, Taiwan

王 士偉(Shih-Wei Wang), 米 泓生(Horng-Sheng Mii)

Research output: Contribution to journalArticle

Abstract

This study focused on the origin of nodular and pipe-like carbonate-cemented mudstones collected from the Kenting Mélange. The stable carbon and oxygen isotope compositions of 22 rock samples were analyzed in total. Results of the analyses showed a large variation in δ^(13)C values that ranged from -45.7 per mille to +10.9 per mille V-PDB (n=68). Among them, δ^(13)C values of 53 subsamples ranged from -45.7 per mille to -10.8 per mille V-PDB, indicating that these carbonate cements were derived from hydrocarbon seepages. This study documents the first discovery of cold-seep carbonates from the Kenting Mélange.
Original languageEnglish
Pages (from-to)95-106
Number of pages12
JournalCollection and Research
Issue number27
DOIs
Publication statusPublished - 2014

Keywords

  • stable isotope
  • cold-seep carbonates
  • hydrocarbon seepage
  • Kenting Mélange
  • Hengchun Peninsula
  • 穩定同位素
  • 冷泉碳酸鹽岩
  • 烴滲漏
  • 墾丁層
  • 恆春半島

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