On the origin of the "kleine Kügelchen" called Chondrules

Harold C. Connolly, Steven Desch

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

In this paper we investigate two major issues: (1) What are chondrules, and (2) why do they exist? We review the literature pertaining to each question and explore answers. We discuss the diversity of chondrules, especially with regard to their igneous textures and compositions. We review the constraints that have been placed experimentally on the thermal histories of chondrules and list those fundamental properties that all chondrule formation models must explain quantitatively in order to be considered predictive, quantitative models. We provide background on the three major classes of chondrule formation models currently being discussed, and scrutinize each with respect to how well they adhere to the experimental constraints placed on chondrule formation. Finally, we list several unresolved issues that are now or will soon be at the forefront of chondrule research.

Original languageEnglish (US)
Pages (from-to)95-125
Number of pages31
JournalChemie der Erde - Geochemistry
Volume64
Issue number2
DOIs
StatePublished - Jul 13 2004

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Keywords

  • Chondrites
  • Chondrule formation
  • Chondrules
  • Meteorites
  • Nebular processes
  • Protoplanetary disk

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

On the origin of the "kleine Kügelchen" called Chondrules. / Connolly, Harold C.; Desch, Steven.

In: Chemie der Erde - Geochemistry, Vol. 64, No. 2, 13.07.2004, p. 95-125.

Research output: Contribution to journalArticle

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