Evidence for a Reduced Initial Abundance of 26Al in Chondrule Forming Regions and Implications for the Accretion Timescales of Protoplanets

Martin Bizzarro; Mia Bjørg Stolberg Olsen; Shoichi Itoh; Noriyuki Kawasaki; Martin Schiller; Lydia Bonal; Hisayoshi Yurimoto

Evidence for a Reduced Initial Abundance of 26Al in Chondrule Forming Regions and Implications for the Accretion Timescales of Protoplanets

Martin Bizzarro
, Mia Bjørg Stolberg Olsen
, Shoichi Itoh
, Noriyuki Kawasaki
, Martin Schiller
, Lydia Bonal
, Hisayoshi Yurimoto

Statens Naturhistoriske Museum
Københavns Universitet
Hokkaido University
Centre for Stjerne og Planet Dannelse, Statens Naturhistoriske Museum, KU
Institut de Planétologie et d’Astrophysique de Grenoble

Publikation: Konferencebidrag uden forlag/tidsskrift › Abstrakt › Forskning

Abstract

We report in situ 26Al-26Mg ages of chondrules previously dated by the U-corrected Pb-Pb method. The 26Al-26Mg ages are systematically younger by ca. 1.5 Myr relative to the Pb-Pb ages, implying a reduced abundance of 26Al in chondrule precursors.

Originalsprog	Engelsk
Publikationsdato	sep. 2014
Antal sider	1
Status	Udgivet - sep. 2014
Udgivet eksternt	Ja

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https://ui.adsabs.harvard.edu/abs/2014LPICo1800.5125B/abstract

Citationsformater

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title = "Evidence for a Reduced Initial Abundance of 26Al in Chondrule Forming Regions and Implications for the Accretion Timescales of Protoplanets",

abstract = "We report in situ 26Al-26Mg ages of chondrules previously dated by the U-corrected Pb-Pb method. The 26Al-26Mg ages are systematically younger by ca. 1.5 Myr relative to the Pb-Pb ages, implying a reduced abundance of 26Al in chondrule precursors.",

author = "Martin Bizzarro and Olsen, \{Mia Bj{\o}rg Stolberg\} and Shoichi Itoh and Noriyuki Kawasaki and Martin Schiller and Lydia Bonal and Hisayoshi Yurimoto",

year = "2014",

month = sep,

language = "English",

pages = "5125",

}

TY - ABST

T1 - Evidence for a Reduced Initial Abundance of 26Al in Chondrule Forming Regions and Implications for the Accretion Timescales of Protoplanets

AU - Bizzarro, Martin

AU - Olsen, Mia Bjørg Stolberg

AU - Itoh, Shoichi

AU - Kawasaki, Noriyuki

AU - Schiller, Martin

AU - Bonal, Lydia

AU - Yurimoto, Hisayoshi

PY - 2014/9

Y1 - 2014/9

N2 - We report in situ 26Al-26Mg ages of chondrules previously dated by the U-corrected Pb-Pb method. The 26Al-26Mg ages are systematically younger by ca. 1.5 Myr relative to the Pb-Pb ages, implying a reduced abundance of 26Al in chondrule precursors.

AB - We report in situ 26Al-26Mg ages of chondrules previously dated by the U-corrected Pb-Pb method. The 26Al-26Mg ages are systematically younger by ca. 1.5 Myr relative to the Pb-Pb ages, implying a reduced abundance of 26Al in chondrule precursors.

M3 - Abstract

SP - 5125

ER -

Evidence for a Reduced Initial Abundance of 26Al in Chondrule Forming Regions and Implications for the Accretion Timescales of Protoplanets

Abstract

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Citationsformater