Geochemistry of the CAU core (drilled 2015-2017): C and O isotopes, TOC and CaCO3 - Aptian - Betic Cordillera, Alicante, Spain ...

A high-resolution carbonate C-isotope (δ13Ccarb) stratigraphy for the Aptian is presented for the Cau core from Alicante, Spain. The studied succession, lower to upper Aptian, embraces the record of the Early Aptian OAE 1a. The data provided includes δ13Ccarb, δ18O isotopes, Total Organic Carbon (TO...

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Bibliographic Details
Main Authors: Castro, Jose Manuel, Ruiz-Ortiz, Pedro A, de Gea, Ginés A, Aguado, Roque, Jarvis, Ian, Weissert, Helmut J, Molina, José M, Nieto, Luis M, Pancost, Richard D, Quijano, María L, Reolid, Matías, Skelton, Peter W, López-Rodríguez, Carmina, Martínez-Rodríguez, Rafael
Format: Dataset
Language:English
Published: PANGAEA 2020
Subjects:
Aptian
C and O isotopes
Cau-core
CO3Ca
Hemipelagic sedimentation
OAE 1a
TOC
Event label
Sample ID
DEPTH, sediment/rock
δ13C
δ18O
Carbon, organic, total
Calcium carbonate
Rock drill core
Mass spectrometer, Finnigan, MAT 253; coupled with Carbonate preparation device, Finnigan, KIEL IV
Shimadzu TOC-V CSH total organic carbon analyzer
Automatic calcimeter DREAM Électronique SAS , Pessac, France
Planktonic foraminifera
Online Access:https://dx.doi.org/10.1594/pangaea.920558
https://doi.pangaea.de/10.1594/PANGAEA.920558
Description
Summary:A high-resolution carbonate C-isotope (δ13Ccarb) stratigraphy for the Aptian is presented for the Cau core from Alicante, Spain. The studied succession, lower to upper Aptian, embraces the record of the Early Aptian OAE 1a. The data provided includes δ13Ccarb, δ18O isotopes, Total Organic Carbon (TOC) and CaCO3. Four overlapping cores (D1 to D4) were drilled with an almost 100% recovery of a total (corrected for dip) thickness of 143 m. The cores were split in two parts. One half was described, photographed and scanned, and then sampled with a drill to obtain powdered samples for geochemical analyses. Also, small solid samples were taken from the drill for biostratigraphic characterization of the nannofossil and planktonic foraminifera associations. Second half was stored for archive and future research. ... : CaCO3: samples were taken at an average spacing of 10 cm. Total samples analysed: 741.C and O isotopes: average spacing of 20 cm. Total samples analysed: 752.TOC: average spacing of 1.5 m. Total samples analysed: 101.Biostratigraphy: average spacing of 115 cm. Total samples studied: 129 for calcareous nannofossils, 54 for planktonic foraminifera. ...

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