Electron energy-loss spectroscopy of carbon in interplanetary dust particles

Details Electron energy-loss spectroscopy of carbon in interplanetary dust particles Electron energy-loss spectroscopy of carbon in interplanetary dust particles

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994lpi....25..687k&link_type=abstract

In Lunar and Planetary Inst., The Twenty-Fifth Lunar and Planetary Science Conference. Part 2: H-O p 687-688 (SEE N94-36136 11-9

Mathematics

Logic

Carbonaceous Chondrites, Carbonates, Chondrites, Electron Spectroscopy, Interplanetary Dust, Mineralogy, Amorphous Materials, Carbon, Solar System

Scientific paper

The nature of the carbon-bearing phases in IDP's provides information regarding the chemical and physical processes involved in the formation and evolution of the early solar system. Several carbon-bearing materials have been observed in IDP's, but details of their nature, abundance, and distribution are still poorly known. A knowledge of the abundance and nature of carbon in IDP's is useful in constraining the sources of IDP's and for comparisons with other chondritic materials. Estimates of carbon abundance in anhydrous and hydrated IDP's indicate that most of these particles have significantly higher carbon than the carbonaceous chondrites. Mineralogical analyses show that carbonates are only a minor component of most hydrated IDP's, and so the high carbon abundances in this group of IDP's indicates that other carbon-bearing phases are present in significant concentrations. Using the technique of electron energy-loss spectroscopy (EELS), we have identified two forms of carbon in a hydrated IDP, oxidized carbon (carbonates), and amorphous elemental carbon.

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