A carbonate-rich, hydrated, interplanetary dust particle: Possible residue from protostellar clouds

Kazushige Tomeoka, P R Buseck

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

Transmission electron microscopy of a hydrated interplanetary dust particle (IDP) indicates that it contains abundant magnesium-iron carbonates, primarily breunnerite and magnesian siderite. This IDP displays a strong absorption band at 6.8 micrometers in its infrared spectrum, similar to that in certain protostellar spectra. The carbonates probably account for the 6.8-micrometer band in the IDP spectrum, suggesting that carbonate also may occur in interstellar dust and be the source of the controversial 6.8-micrometer feature from the protostellar spectra.

Original languageEnglish (US)
Pages (from-to)1544-1546
Number of pages3
JournalScience
Volume231
Issue number4745
DOIs
StatePublished - Jan 1 1986

ASJC Scopus subject areas

  • General

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