5886d66d-8e7d-3807-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 2026-05-03 UK GEMINI 2.3 http://data.bgs.ac.uk/id/dataHolding/13607198 SiO2 and Rb-Sr ratios vs crustal thickness in central and south western America (NERC grant NE/K008862/1) 2017-07-31 creation http://data.bgs.ac.uk/id/dataHolding/13607198 A GEOROC (http://georoc.mpch-mainz.gwdg.de/georoc/) compilation of 8,531 analyses of SiO2, Rb and Sr concentrations, in crustal rocks sampled in central and southwestern America, at sites of various crustal thickness. These data were used in Dhuime et al. (2015, Nature Geoscience 8, 552-555) to establish a positive correlation between Rb/Sr (or SiO2) and crustal thickness in sites of generation of new continental crust. GEOROC - Geochemistry of Rocks of the Oceans and Continents Dr Bruno Dhuime University of Bristol School of Earth Sciences Wills Memorial Building, Queens Road Bristol BS8 1RJ not available pointOfContact notApplicable https://resources.bgs.ac.uk/images/geonetworkThumbs/5886d66d-8e7d-3807-e054-002128a47908.png Geology GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Crustal evolution Rubidium Crustal thickness Strontium Continental crust BGS Thesaurus of Geosciences 2022 revision NGDC Deposited Data dataCentre NERC_DDC otherRestrictions no limitations The dataset is made freely available for access, e.g. via the Internet. Either no third party data / information is contained in the dataset or BGS has secured written permission from the owner(s) of any third party data / information contained in the dataset to make the dataset freely accessible. 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. The dataset is made available to external clients under BGS Digital Data Licence terms and conditions. Revert to the IPR Section (iprdigital@bgs.ac.uk) if further advice is required with regard to permitted usage. English geoscientificInformation British Geological Survey Gazetteer: Geographical hierarchy from Geosaurus 1979 creation CENTRAL AMERICA [id=800000] British Geological Survey Gazetteer: Geographical hierarchy from Geosaurus 1979 creation SOUTH AMERICA [id=840000] -117.6000 -34.5000 -56.0000 32.7500 2014-06-09 2014-12-05 Microsoft Excel witheld https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item78389 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 The crustal thickness is calculated from the latitude and longitude coordinates of the samples and the Crust 1.0 model (http://igppweb.ucsd.edu/~gabi/crust1.html), as summarised in Dhuime et al. 2015 (Nature Geoscience 8, 552-555).