Citation:

PANGAEA.951419

Name: X-ray diffraction data of powder drilled from the shell of A. benedeni benedeni specimen SG-125
Published: 2022-11-30
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bivalve; Clumped isotopes; EBSD; micro-XRF; mid-Pliocene warm period; multiproxy; North Sea; Oxygen isotopes; paleotemperature proxy; Pliocene; sclerochronology; Southern North Sea; XRD

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Abstract:

This dataset contains X-ray diffraction data of powder drilled from the shell of A. benedeni benedeni specimen SG-125. This measurement was carried out in order to determine whether the originally aragonitic shell of this specimen contained any calcite of diagenetic origin. The spectrum of this specimen was compared to that of a modern aragonitic shell measured in-house (XRD_Fresh_Aragonite_Cerastoderma_edule.csv), and a calcite mineral from an external database (RRUFF database, ID R040070; Lafuente et al. 2015). The bivalve shells were collected in 2013 from a shell bed at the top of the Oorderen Member of the Lillo Formation of the Pliocene in Belgium. The collection site was a construction-related temporary outcrop at the Deurganck Dock Lock (now Kieldrecht Lock) in the city of Antwerp, located at 51°16′44″N 4°14′52″E. X-ray diffraction analysis was carried out in spring 2021 at the department of Earth Sciences at Utrecht University, the Netherlands, on a Bruker D8 diffractometer that was calibrated with a corundum crystal. Measurement conditions were as follows: 40 kV voltage, 40 mA current, 1.5418 Å (CuKα) radiation, 0.165 mm divergence slit, 2.5° primary soller slit, no secondary soller slit, 15-70° 2theta measuring range, 0.02° 2theta step-size, 0.85 s counting time, 15 rpm sample rotation. Reported are the angle (in degrees 2theta) and the corresponding intensity (in counts per second).

Keyword(s):

Bivalve; Clumped isotopes; EBSD; micro-XRF; mid-Pliocene warm period; multiproxy; North Sea; Oxygen isotopes; paleotemperature proxy; Pliocene; sclerochronology; Southern North Sea; XRD

Related to:

Wichern, Nina Maria Annegret; de Winter, Niels J; Johnson, Andrew L A; Goolaerts, Stijn; Wesselingh, Frank P; Hamers, Maartje F; Kaskes, Pim; Claeys, Philippe; Ziegler, Martin (2023): The fossil bivalve Angulus benedeni benedeni : a potential seasonally resolved stable-isotope-based climate archive to investigate Pliocene temperatures in the southern North Sea basin. Biogeosciences, 20(12), 2317-2345, https://doi.org/10.5194/bg-20-2317-2023

Further details:

Lafuente, Barbara; Downs, R T; Yang, H; Stone, N (2015): 1. The power of databases: The RRUFF project. In: Armbruster, T, Danisi, RM (eds.), Highlights in Mineralogical Crystallography, DE GRUYTER, 1-30, https://doi.org/10.1515/9783110417104-003

Coverage:

Latitude: 51.278889 * Longitude: 4.247778

Event(s):

SG-125 * Latitude: 51.278889 * Longitude: 4.247778 * Location: Antwerpen, Belgium * Method/Device: Outcrop sample (OUTCROP) * Comment: The collection site was a construction-related temporary outcrop at the Deurganck Dock Lock (now Kieldrecht Lock) in the city of Antwerp. Shells of A. benedeni benedeni specimens.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Diffraction angle	Diff angle	2theta	Wichern, Nina Maria Annegret	Bruker D8 diffractometer
2	Intensity, total	Int tot	cps	Wichern, Nina Maria Annegret	Bruker D8 diffractometer

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

5378 data points

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