georefid:2006-048273SEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=2006-048273<gco:CharacterString>Rb-Sr and Sm-Nd of upper Eocene microtektites; a potential Popigai source</gco:CharacterString>2000-01-01publicationgeorefid:2006-048273Whitehead, JamesUniversity of New Brunswick, Department of Geology, Fredericton, NB, CanadaauthorSpray, J. G.Geological Survey of Canada, CanadaauthorGrieve, R. A. F.California Institute of Technology, United StatesauthorPapanastassiou, D. A.authorNgo, H. H.authorWasserburg, G. J.authorLunar and Planetary Science Conference, Houston, TX, United StatespublisherdocumentDigitalIn: Anonymous, Lunar and planetary science, XXXI; papers presented to the Thirty-first lunar and planetary science conference31A Nd and Sr isotope study of upper Eocene marine microtektites and microspherules help resolve the contentious number of isotopically distinguishable upper Eocene impact ejecta layers and suggest a Popigai, Siberian source for the microspherules.completedGeochronologyStratigraphyabsolute agealkaline earth metalsAnabar ShieldArcheanAsiabiozonesCanadaCenozoicchemical fractionationChesapeake BayChesapeake Bay impact featureCommonwealth of Independent StatesdatesDeep Sea Drilling ProjectDSDP Site 216DSDP Site 462DSDP Site 612Eastern CanadaejectaEocenegneissesimpact cratersimpact featuresimpactsIndian OceanIPODisotope ratiosisotopesLabradorLake Mistastin impact structureLeg 22Leg 95mass spectrameltingmetalsmetamorphic rocksmicrotektitesMistastin LakeNd-144/Nd-143neodymiumNewfoundlandNewfoundland and LabradorNorth AmericaPacific OceanPaleogeneparent materialsPopigay StructurePrecambrianprovenanceradioactive isotopesrare earthsRb/SrRussian FederationsamariumSiberian PlatformSm-147/Nd-144Sm/NdspectraspherulesSr-87/Sr-86stable isotopesstrewn fieldsstrontiumtektitesTertiaryUnited Statesupper EoceneVirginiaYakutia Russian Federationurn:org.iodp:exp:22urnlargerWorkCitationcampaignurn:org.iodp:exp:95urnlargerWorkCitationcampaignurn:org.iodp:exp:22:site:216urnlargerWorkCitationstudyurn:org.iodp:exp:22urnlargerWorkCitationcampaignurn:org.iodp:exp:61:site:462urnlargerWorkCitationstudyurn:org.iodp:exp:61urnlargerWorkCitationcampaignurn:org.iodp:exp:89:site:462urnlargerWorkCitationstudyurn:org.iodp:exp:89urnlargerWorkCitationcampaignurn:org.iodp:exp:95:site:612urnlargerWorkCitationstudyurn:org.iodp:exp:95urnlargerWorkCitationcampaignEnglishgeoscientificInformation-72.4626165.01501.274338.4913application/pdfunknownSEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContacthttp://www.lpi.usra.edu/meetings/lpsc2000/pdf/1373.pdfdownload