The volatile element enrichment of chondritic interplanetary dust particles

Details The volatile element enrichment of chondritic interplanetary dust particles The volatile element enrichment of chondritic interplanetary dust particles

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992e%26psl.112...91j&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 112, no. 1-4, Aug. 1992, p. 91-99. Research supported by DFG.

Computer Science

39

Chondrites, Interplanetary Dust, Planetary Evolution, Stratosphere, Trace Elements, Chemical Composition, Extraterrestrial Matter, Meteorites, Volatility

Scientific paper

Interplanetary dust particles (IDPs) collected in the stratosphere provide new information on the chemical and isotopic composition of material in the vicinity of the Earth and thus possibly of asteroids and comets. The available data on major, minor and trace element abundances, mainly obtained with PIXE and SYXFA, suggest the presence of at least two groups of chondritic IDPs which differ significantly in their volatile element content. The ubiquitous enrichment of volatile lithophile, siderophile, and chalcophile elements is most plausibly explained by atmosheric contamination and thus the question arises of the factual relationship of all interplanetary dust particles to early solar system processes.

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