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2024年11月15日

Chondrule-like Objects in Ryugu: Evidence for Accretion of Ryugu in the Vicinity of the Outer Solar System Chondrule Factory

The Hayabusa Symposium 2024
  • Matthew J Genge
  • ,
  • Natasha V Almeida
  • ,
  • Matthias Van Ginneken
  • ,
  • Lewis Pinaul
  • ,
  • Tobias Salge
  • ,
  • Penelope J. Wozniakiewicz
  • ,
  • Hajime Yano
  • ,
  • Steven J. Desch

開催年月日
2024年11月12日 - 2024年11月15日
記述言語
英語
会議種別
口頭発表(一般)
主催者
JAXA/ISAS
開催地
Sagamihara
国・地域
日本

We report the discovery of large abundances of chondrule-like objects within Ryugu sample A0180, including microchondrules and a large porphyritic chondrule. The primary phases within these objects have all been replaced by the products of aqueous alteration, however, their morphologies and shapes testify to an origin as sub-spherical molten droplets identifying them as chondrule-like objects (CLOs). The majority of CLOs found in A0180 were identified by X-ray Computed Tomography (XCT) and are microchondrules <30 µm in size.

リンク情報
URL
https://docs.google.com/viewer?url=https%3A%2F%2Fcuration.isas.jaxa.jp%2Fsymposium%2F2024%2Fpdf%2Fprogram_HAYABUSA2024.pdf 本文へのリンクあり