Citation:

PANGAEA.911875

Name: Magnetic susceptibility and CaCO3 content from Arroyo Gilico and Barranco de Cavila sections (Barremian, Early Cretaceous; Subbetic Domain, Southeast Spain)
Published: 2020-02-10
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Barremian; CaCO3 content; carbon isotope ratios; Cretaceous; Magnetic susceptibility; oxygen isotope ratios; Subbetic Domain

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Abstract:

The data of two sections studied in the Barremian (Early Cretaceous) of the Subbetic Domain (SE Spain) are shown here together with a detailed log showing the bed number and the biostratigraphic scheme. The samples were collected with a geologist hammer in May 2016. The average sample distance is 0.07 m and was kept as constant as possible using a Jacob's staff to ensure the detection of all the Milankovitch cycles applying Fast Fourier Transforms and related methods (e.g. multi-taper). The lithology is composed of marl-limestone alternations deposited in a (hemi-)pelagic setting. Observed fauna is composed of ammonites, radiolarians, foraminifera, calcareous nannofossils and scarce belemnites, bivalves, gastropods, brachiopods and irregular echinoids. The biostratigraphy scheme is provided in the detailed logs and is based on Tethyan ammonite and calcareous nannofossils. The two sections studied are Arroyo Gilico section (38°9'35'' N; 1°40'41'' W; the interval studied covers from the Late Hauterivian (Balearis Zone) to the Late Barremian (Vandenheckii Zone)) and Barranco de Cavila section (38°3'10'' N; 1°53'20'' W; the interval studied covers from the Late Barremian (Vandenheckii Zone) to the Early Aptian (Forbesi Zone)).Magnetic susceptibility was measured with a KLY-3 and calcium carbonate content was measured following the volumetric method using the automatic calcimeter Dream Electronique

Keyword(s):

Barremian; CaCO3 content; carbon isotope ratios; Cretaceous; Magnetic susceptibility; oxygen isotope ratios; Subbetic Domain

Supplement to:

Martinez, Mathieu; Aguado, Roque; Company, M; Sandoval, Jose; O'Dogherty, Luis (2020): Integrated astrochronology of the Barremian Stage (Early Cretaceous) and its biostratigraphic subdivisions. Global and Planetary Change, 195, 103368, https://doi.org/10.1016/j.gloplacha.2020.103368

Further details:

AA_Arroyo Gilico_with bed no

AA_Barranco Cavila_with bed no

Coverage:

Median Latitude: 38.106250 * Median Longitude: -1.783475 * South-bound Latitude: 38.052780 * West-bound Longitude: -1.888890 * North-bound Latitude: 38.159720 * East-bound Longitude: -1.678060

Event(s):

Arroyo_Gilico_Section * Latitude: 38.159720 * Longitude: -1.678060 * Location: Murcia, Spain

Barranco_de_Cavila_Section * Latitude: 38.052780 * Longitude: -1.888890 * Location: Murcia, Spain

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Event label	Event		Martinez, Mathieu
2	Level	Level	m	Martinez, Mathieu
3	Sample ID	Sample ID		Martinez, Mathieu
4	Calcium carbonate	CaCO3	%	Martinez, Mathieu	Volumetric method using the automatic calcimeter Dream Electronique
5	ARM, Susceptibility, per unit mass	kappa (ARM)	10^-9 m³/kg	Martinez, Mathieu	Kappabridge, AGICO KLY-3

License:

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

Size:

8099 data points

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