a588ddee-191c-29b5-e054-002128a47908 English dataset British Geological Survey +44 115 936 3100 Environmental Science Centre,Keyworth NOTTINGHAM NOTTINGHAMSHIRE NG12 5GG United Kingdom enquiries@bgs.ac.uk pointOfContact 2026-04-05 UK GEMINI 2.3 http://data.bgs.ac.uk/id/dataHolding/13607618 Neogene neodymium isotope data from the Philippine Sea (IODP Expedition 351) (NERC Grant NE/M017370/1) 2020-05-01 creation http://data.bgs.ac.uk/id/dataHolding/13607618 We report sedimentary coatings and fish teeth neodymium isotope values – tracers for water-mass mixing – from deep-water International Ocean Discovery Program (IODP) Site U1438 (4.7 km water depth) in the Philippine Sea, northwest Pacific Ocean. The time period encompasses the last 20 million years. Sev Kender University of Exeter Camborne School of Mines Penryn Campus Penryn Cornwall TR10 9FE not available originator Sev Kender University of Exeter Camborne School of Mines Penryn Campus Penryn Cornwall TR10 9FE not available principalInvestigator 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/a588ddee-191c-29b5-e054-002128a47908.png Geology GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Pliocene Miocene Neodymium isotopes Neogene BGS Thesaurus of Geosciences 2022 revision NGDC Deposited Data dataCentre NERC_DDC otherRestrictions licenceOGL Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]" 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 British Geological Survey Gazetteer: Gazetteer of sea areas 2010 revision PHILIPPINE SEA [id=2001387] 134.3100 134.3100 27.3800 27.3800 2015-01-15 2017-03-15 Sev Kender, Kara A. Bogus, Ty D. Cobb, Deborah J. Thomas (2018) Neodymium Evidence for Increased Circumpolar Deep Water Flow to the North Pacific During the Middle Miocene Climate Transition. Paleoceanography and Paleoclimatology, 33, 7, 672-682 https://doi.org/10.1029/2017PA003309 Microsoft Excel witheld Enquiries British Geological Survey United Kingdom not available distributor https://doi.org/10.1029/2017PA003309 WWW:LINK-1.0-http--related Citation Information - Digital Object Identifier (DOI) information https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html?#item135051 WWW:DOWNLOAD-1.0-http--download Data download 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 We reconstructed past water-mass signatures at Site U1438 by measuring åNd of fossil fish teeth and ferromanganese oxyhydroxide coatings, which record the isotopic value of bottom water at the sediment surface. After process, the samples were digested in concentrated HNO3 overnight and then placed in 2N HNO3 for column chemistry, and analyzed on a Thermo Scientific Triton thermal ionization mass spectrometer as Nd+. Full methods are available in Kender et al. (2018) (citation provided within the data file).