0ea9ec59-5cb3-7cf1-e063-0937940a8ce5 English nonGeographicDataset non geographic dataset British Geological Survey +44 115 936 3100 Environmental Science Centre,Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom enquiries@bgs.ac.uk pointOfContact 2026-04-12 UK GEMINI 2.3 http://data.bgs.ac.uk/id/dataHolding/13608170 Stoer Group and Sibley Group nitrogen geochemistry in red beds (NERC Grant NE/V010824/1) 2023-12-18 creation http://data.bgs.ac.uk/id/dataHolding/13608170 Nitrogen abundances in red shales are shown to be suitable as a biosignature that may be applicable to red beds on Mars. The data set includes organic carbon and nitrogen abundances and isotopic ratios, carbonate carbon and oxygen isotope ratios, and metal abundances. We evaluate potential abiotic effects and discuss diagenetic scenarios that lead to an enrichment of ammonium in clay minerals. Eva Elisabeth Stueeken University of St Andrews not available originator Philip Fralick Lakehead University 955 Oliver Rd Thunder Bay Ontario P7B 5E1 Canada not available originator Anthony R. Prave University of St Andrews 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/0ea9ec59-5cb3-7cf1-e063-0937940a8ce5.png Geology GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Red beds Geochemistry Nitrogen BGS Thesaurus of Geosciences 2022 revision NGDC Deposited Data Citable 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 2024-07-01 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. Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]" English geoscientificInformation 2023-02-01 2023-12-15 Microsoft Excel witheld Enquiries British Geological Survey United Kingdom not available distributor https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item183515 WWW:DOWNLOAD-1.0-http--download Data download https://doi.org/10.5285/866ad7c1-a865-4777-958f-c08bcc3b8492 WWW:LINK-1.0-http--related Citation Information - Digital Object Identifier (DOI) Stüeken, E.E., Fralick, P., Prave, A.R. (2024). Stoer Group and Sibley Group nitrogen geochemistry in red beds. NERC EDS National Geoscience Data Centre. (Dataset). https://doi.org/10.5285/866ad7c1-a865-4777-958f-c08bcc3b8492 information nonGeographicDataset non geographic 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 Organic carbon and nitrogen isotopes were analysed on decarbonated rock powders by EA-IRMS at the University of St Andrews. Carbonate carbon and oxygen isotopes were analysed by Iso-Analytical on bulk powders by gas-bench IRMS. Metal abundances were measured by ALS on bulk powders by ICP-MS and ICP-OES following digestion in HNO3, HCl, HF and HClO4.