{"data":{"id":"10.1594/pangaea.708696","type":"dois","attributes":{"doi":"10.1594/pangaea.708696","prefix":"10.1594","suffix":"pangaea.708696","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Cumming, G L","givenName":"G L","familyName":"Cumming","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Lead isotope ratios of basalts from DSDP Leg 37 (Table 1)"}],"publisher":"PANGAEA","container":{},"publicationYear":1976,"subjects":[{"subject":"Event label","subjectScheme":"Parameter"},{"subject":"Sample code/label","subjectScheme":"Parameter"},{"subject":"Lead","subjectScheme":"Parameter"},{"subject":"Uranium","subjectScheme":"Parameter"},{"subject":"Uranium, standard deviation","subjectScheme":"Parameter"},{"subject":"Thorium","subjectScheme":"Parameter"},{"subject":"Thorium, standard deviation","subjectScheme":"Parameter"},{"subject":"Lead-206/Lead-204 ratio","subjectScheme":"Parameter"},{"subject":"Lead-206/Lead-204 ratio, error","subjectScheme":"Parameter"},{"subject":"Lead-207/Lead-204 ratio","subjectScheme":"Parameter"},{"subject":"Lead-207/Lead-204 ratio, error","subjectScheme":"Parameter"},{"subject":"Lead-208/Lead-204 ratio","subjectScheme":"Parameter"},{"subject":"Lead-208/Lead-204 ratio, error","subjectScheme":"Parameter"},{"subject":"Drilling/drill rig","subjectScheme":"Method"},{"subject":"DSDP/ODP/IODP sample designation","subjectScheme":"Method"},{"subject":"Isotope ratio mass spectrometry","subjectScheme":"Method"},{"subject":"Leg37","subjectScheme":"Campaign"},{"subject":"Glomar Challenger","subjectScheme":"Basis"},{"subject":"Deep Sea Drilling Project (DSDP)","subjectScheme":"Project"}],"contributors":[],"dates":[{"date":"1976","dateType":"Issued"}],"language":"en","types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"Supplementary Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.1016/0012-821x(76)90110-2","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":["110 data points"],"formats":["text/tab-separated-values"],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 3.0 Unported","rightsUri":"https://creativecommons.org/licenses/by/3.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-3.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"Analyses of Pb from mid-ocean ridge basalts obtained from DSDP Leg 37 lie on a line of near-zero-age slope. The data seem consistent with an evolutionary model of three stages, the beginning of the second stage being at about 600 m.y. - the model age obtained for the least radiogenic Pb. The beginning of the third stage of evolution at the time of formation of the rocks apparently did not change the average Th/U ratio since measured values are consistent with the ratio deduced from Pb isotope ratios. Ratios of U/Pb are not consistent with Pb isotope ratios, however, thus ruling out a simple two-stage evolutionary model.","descriptionType":"Abstract"},{"description":"Supplement to: Cumming, G L (1976): Lead isotope ratios in DSDP Leg 37 basalts. Earth and Planetary Science Letters, 31(1), 179-183","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"-33.641","northBoundLatitude":"37.2957","southBoundLatitude":"36.8787","westBoundLongitude":"-35.1987"}},{"geoLocationPlace":"North Atlantic/VALLEY"},{"geoLocationPlace":"North Atlantic 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