34b4da50-447b-0099-e063-3050940aa4f4 English dataset British Geological Survey +44 115 936 3100 Environmental Science Centre,Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom enquiries@bgs.ac.uk pointOfContact 2026-04-30 UK GEMINI 2.3 http://data.bgs.ac.uk/id/dataHolding/13608410 WGS 84 (EPSG::4326) Strontium and osmium isotope, trace element, carbon, nitrogen data from the Early Cretaceous of the Araripe Basin, Brazil 2025-05-06 creation http://data.bgs.ac.uk/id/dataHolding/13608410 Trace element and isotope data measured on 36 sediments that record the opening of the south Atlantic preserved onshore, Brazil. The samples come from two main pre-salt sections within the Araripe Basin close to Juazeiro do Norte, Ceará State: the Três Irmãos quarry which records a lacustrine succession and the younger Sobradinho River Section which is a sequence of organic-rich, ostracod-bearing mudstones. Additional gypsum and ostracod samples, procured from two quarries within the Araripe Basin, were analysed to provide data from the main salt-forming interval. The samples were collected during 2023 by a team from Bristol University (Ian Parkinson, Rachel Flecker), Sao Paolo State University (Rafaela Cardoso Dantas) and University of Utrecht (Dan Palcu). The samples were analysed at Bristol University 2023-24 as part of the PhD project of Rafaela Cardoso Dantas. The aim was to use the Sr isotope and Os isotope data to reconstruct the connectivity between the global ocean and opening South Atlantic. Trace element, carbon and nitrogen analysis were analysed to help reconstruct the environmental conditions in the basin. Ian Parkinson University of Bristol not available originator Rachel Flecker University of Bristol not available originator Rafaela Cardoso Dantas University of Sao Paulo not available originator Dan Palcu University of Utrecht not available originator Enquiries British Geological Survey United Kingdom not available distributor Enquiries British Geological Survey United Kingdom not available pointOfContact notApplicable https://resources.bgs.ac.uk/images/geonetworkThumbs/34b4da50-447b-0099-e063-3050940aa4f4.png Geology GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Nitrogen Cretaceous Osmium isotopes Trace elements Carbon Strontium isotopes BGS Thesaurus of Geosciences 2022 revision Citable Data NGDC Deposited Data dataCentre NERC_DDC otherRestrictions restricted The dataset has been formally approved by BGS for access by external clients under a BGS Digital Data Licence, issued via BGS's IPR Section. The dataset must not be provided to, or be accessible by, an external client until the IPR Section confirms that signed licence documentation is in place. Refer to the IPR Section (DigitalLE@bgs.ac.) if further advice is required.. Constraint applies until 2026-09-10 otherRestrictions The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused. Either: (i) the dataset is made freely available, e.g. via the Internet, for a restricted category of use (e.g. educational use only); or (ii) the dataset has not been formally approved by BGS for access and use by external clients under licence, but its use may be permitted under alternative formal arrangements; or (iii) the dataset contains 3rd party data or information obtained by BGS under terms and conditions that must be consulted in order to determine the permitted usage of the dataset. Refer to the BGS staff member responsible for the creation of the dataset if further advice is required. He / she should be familiar with the composition of the dataset, particularly with regard to 3rd party IPR contained in it, and any resultant use restrictions. This staff member should revert to the IPR Section (ipr@bgs.ac.uk) for advice, should the position not be clear. English geoscientificInformation ISO 3166_1 alpha-2 2009 revision BR ISO 3166_1 alpha-3 2009 revision BRA British Geological Survey Gazetteer: Geographical hierarchy from Geosaurus 1979 creation BRAZIL [id=860000] -40.4600 -39.1600 -7.7400 -7.1100 2022-12-11 2025-01-31 Microsoft Excel (XLSX) witheld Enquiries British Geological Survey United Kingdom not available distributor https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item188079 WWW:DOWNLOAD-1.0-http--download Data download https://doi.org/10.5285/7e7a227e-6d83-4738-bd4c-10cf28f21ade WWW:LINK-1.0-http--related Citation Information - Digital Object Identifier (DOI) Dantas, R. C., Parkinson, I., Palcu, D., Flecker, R. (2025). Strontium and osmium isotope, trace element, carbon, nitrogen data from the Early Cretaceous of the Araripe Basin, Brazil. NERC EDS National Geoscience Data Centre. (Dataset). https://doi.org/10.5285/7e7a227e-6d83-4738-bd4c-10cf28f21ade information dataset dataset INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology 2011 publication See the referenced specification false Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 publication See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF false Bulk samples were used for trace element, carbon and nitrogen analysis. Sr isotopes run on ostracods, bulk samples, calcite, gypsum and weak acid leaches. Os isotope analysis run on bulk samples