Laser ablation Uranium-Lead dating of the Miocene alluvial-lacustrine Aktau succession in south-east Kazakhstan

DOI

The Aktau succession is located at 44.03°N and 79.30°E in the Ili Basin, south-east Kazakhstan. The dataset contains measurement results from the Middle to early Late Miocene part of the succession (total height: 372 m, lowermost sample: 0.29 m, uppermost sample: 370.94 m). The laser ablation U-Pb data was aquired from thin sections in order to obtain radiometric ages of carbonates along the Aktau succession.

Spot size = 213 µm; depth of crater ~15µm. ²⁰⁷Pb/²⁰⁶Pb error propagation (²⁰⁷Pb signal dependent) following Gerdes & Zeh (2009). Within run background-corrected mean ²⁰⁶Pb signal in cps (counts per second). U and Pb content and Th/U ratio were calculated relative to NIST614. percentage of the common Pb on the ²⁰⁶Pb.* corrected for background, within-run Pb/U fractionation (in case of ²⁰⁶Pb/²³⁸U) and common Pb using Stacy and Kramers (1975) model Pb composition and subsequently normalised to GJ-1 (ID-TIMS value/measured value); ²⁰⁷Pb/²³⁵U calculated using ²⁰⁷Pb/²⁰⁶Pb/(²³⁸U/²⁰⁶Pb1/137.88)

Identifier
DOI https://doi.org/10.1594/PANGAEA.906093
Related Identifier https://doi.org/10.1594/PANGAEA.906094
Related Identifier https://doi.org/10.1029/2019PA003642
Related Identifier https://doi.org/10.1016/j.chemgeo.2008.03.005
Related Identifier https://doi.org/10.1016/0012-821X(75)90088-6
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.906093
Provenance
Creator Frisch, Konstantin ORCID logo; Voigt, Silke ORCID logo; Verestek, Verena ORCID logo; Appel, Erwin ORCID logo; Albert, Richard; Gerdes, Axel ORCID logo; Arndt, Iris (ORCID: 0000-0002-2714-865X); Raddatz, Jacek ORCID logo; Voigt, Thomas; Weber, Yuki ORCID logo; Batenburg, Sietske J ORCID logo
Publisher PANGAEA
Publication Year 2019
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Language English
Resource Type Dataset
Format text/tab-separated-values
Size 3700 data points
Discipline Earth System Research
Spatial Coverage (79.300 LON, 44.030 LAT); Ili Basin, Kazakhstan