{"data":{"id":"10.1594/pangaea.548463","type":"dois","attributes":{"doi":"10.1594/pangaea.548463","prefix":"10.1594","suffix":"pangaea.548463","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Mangini, Augusto","givenName":"Augusto","familyName":"Mangini","affiliation":[],"nameIdentifiers":[]},{"name":"Dominik, Janusz","givenName":"Janusz","familyName":"Dominik","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Determination of Uranium, Thorium, and Ionium in sediment cores of the Caribbean and Ionian Sea"}],"publisher":"PANGAEA","container":{},"publicationYear":1978,"subjects":[{"subject":"Box corer","subjectScheme":"Method"},{"subject":"Piston corer","subjectScheme":"Method"},{"subject":"M17","subjectScheme":"Campaign"},{"subject":"M22","subjectScheme":"Campaign"},{"subject":"V12","subjectScheme":"Campaign"},{"subject":"Meteor (1964)","subjectScheme":"Basis"},{"subject":"Vema","subjectScheme":"Basis"}],"contributors":[],"dates":[{"date":"1957-07-29T00:00:00","dateType":"Collected"},{"date":"1978","dateType":"Issued"}],"language":"en","types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Supplementary Publication Series of Datasets","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[],"relatedItems":[],"sizes":["3 datasets"],"formats":["application/zip"],"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":"A rapid procedure for Io (Th230) dating of sediments with accumulation rates in the range of several cm/1000 years is described. Studying of large sample populations with very small Io-excess activity is possible as the counting time (around 1500 min/sample) are 2 to 5 times shorter than with the standard Io-excess method. Improved sensitivity of the Io-excess measurement is achieved by:1) extraction ( ~90 %) of the authigenic Io-excess with EDTA, with minor leaching ( ~30 %) of the allogenic Th232 and Io-supported,2) processing samples as large as 10 g or more.The procedure was applied to sediments from the Caribbean (V 12-122) and from the Ionian Sea (M22_48 and M17_17). In the case of the standard core V 12-122 our results are in good agreement with previous time-consuming Io determinations. The resulting average accumulation rates of 2.0 ± 0.3 cm/1000 years for the Ionian Sea cores are close to the average derived from magnetic reversal studies of a nearby core.","descriptionType":"Abstract"},{"description":"Supplement to: Mangini, Augusto; Dominik, Janusz (1978): Th230-excess EDTA extraction: A modification of the ionium method for high accumulation rate determinations. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe C Geologie und Geophysik, Gebrüder Bornträger, Berlin, Stuttgart, C29, 6-13","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"18.0","northBoundLatitude":"38.0","southBoundLatitude":"17.0","westBoundLongitude":"-74.4"}},{"geoLocationPlace":"Ionian 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