Uranium-Thorium dating of authigenic carbonates and shells from Yam Seep, South China Sea

DOI

This data presents high precision Th/U ages from seep carbonates obtained from a 5-meter-long rock core (GeoB 23225-1, MeBo24) collected by the sea floor drill rig MARUM-MeBo200 in Yam Seep, SW offshore Taiwan during SO266, RV Sonne. The dating results provide records of over 40 thousand years old gas seepage and an unconventional precipitation sequence throughout the 5-meter downcore. The oldest age presents at ~192 cmbsf and the youngest age at the lower end of the core (~490 cmbsf). It provides insights into gas seepage episodes at active margin as well as precipitation sequences influenced by fracturing. Uranium and thorium isotope measurements were performed at the Institute of Environmental Physics multi-collector ICPMS facility in Heidelberg, which hosts a ThermoFisher Neptuneplus MC-ICPMS following the method of Wefing et al., (2017) and Frank and Hemsing (2021).Coordinate GeoB 23225-1 (Lat. Lon.): 22° 03.487' 119° 47.979'; Water depth: 1352 mbsl.

Identifier
DOI https://doi.org/10.1594/PANGAEA.957580
Related Identifier IsSupplementTo https://doi.org/10.1029/2022GC010652
Related Identifier References https://doi.org/10.1007/978-3-030-24982-3_6
Related Identifier References https://doi.org/10.1016/j.chemgeo.2017.10.036
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.957580
Provenance
Creator Tseng, Yiting ORCID logo; Bohrmann, Gerhard ORCID logo; Schröder-Ritzrau, Andrea ORCID logo; Frank, Norbert ORCID logo; Smrzka, Daniel ORCID logo; Lin, Saulwood ORCID logo
Publisher PANGAEA
Publication Year 2023
Funding Reference Federal Ministry of Education and Research https://doi.org/10.13039/501100002347 Crossref Funder ID 03G0288A https://www.marum.de/SO266.page TaiDrill – SO266; Ministry of Science and Technology https://doi.org/10.13039/501100004663 Crossref Funder ID MOST107-3113-M-002-004 Taiwanese Ministry of Science and Technology (MoST) Project 'TaiGer drill'
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Bundled Publication of Datasets; Collection
Format application/zip
Size 2 datasets
Discipline Earth System Research
Spatial Coverage (119.800 LON, 22.058 LAT)