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Bibliographische Detailangaben
Hauptverfasser:	Michel, Helen V, Asaro, Frank, Alvarez, Walter, Alvarez, Luis W
Format:	Dataset Open Access
Sprache:	en
Veröffentlicht:	PANGAEA 1985
Schlagworte:	86-577B; Aluminium; Aluminium, standard deviation; Antimony; Antimony, standard deviation; Barium; Barium, standard deviation; Calcium; Calcium, standard deviation; Cerium; Cerium, standard deviation; Chromium; Chromium, standard deviation; Cobalt; Cobalt, standard deviation; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Dysprosium; Dysprosium, standard deviation; Element analysis, neutron activation (NAA); Europium; Europium, standard deviation; Glomar Challenger; Hafnium; Hafnium, standard deviation; Iridium; Iridium, standard deviation; Iron; Iron, standard deviation; Lanthanum; Lanthanum, standard deviation; Leg86; Lutetium; Lutetium, standard deviation; Manganese; Manganese, standard deviation; Neodymium; Neodymium, standard deviation; Nickel; Nickel, standard deviation; North Pacific Ocean; Samarium; Samarium, standard deviation; Sample code/label; Scandium; Scandium, standard deviation; Tantalum; Tantalum, standard deviation; Terbium; Terbium, standard deviation; Thorium; Thorium, standard deviation; Uranium; Uranium, standard deviation; Ytterbium; Ytterbium, standard deviation
Online-Zugang:	https://doi.org/10.1594/PANGAEA.802440
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Inhaltsangabe:

An Ir anomaly of 61 ng/cm**2 was found in Deep Sea Drilling Project Hole 577B at the same stratigraphic level as the Cretaceous/Tertiary boundary defined by nannoplankton. This close correspondence supports the asteroid-impact theory for the Cretaceous/Tertiary boundary extinctions.