Porosity of serially sectioned interplanetary dust particles

Mackinnon, Ian D.R., Lindsay, Charles, Bradley, John P., & Yatchmenoff, Bart (1987) Porosity of serially sectioned interplanetary dust particles. Meteoritics, 22(4), pp. 450-451.

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The application of epoxy embedding and microtomy to individual chondritic interplanetary dust particles (lOP's)(Bradley and Brownlee, 1986a) provides not only higher precision in thin-film elemental analyses (Bradley and Brownlee, 19861:1), but also allows a wealth of other important techniques for the micro-characterization of these primitive extraterrestrial materials. For example, individual sections (e.g. 100 nm thick) or a series of sections, can be examined using image analysis techniques which utilize either transmitted or scanned secondary electron images, or alternatively, secondary X-ray spectra collected concurrently from a given region of sample. Individual particles, or groups of particles with similar image characteristics can then be rapidly identified using conventional grey-scale/particle recognition techniques for each microtomed section of lOP. This type of image analysis provides a suitable method for determination of particle size and shape distribution as well as porosity throughout the aggregate.

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ID Code: 55671
Item Type: Journal Article
Refereed: Yes
Additional Information: GeoRef, Copyright 2009, American Geological Institute.
Keywords: chondrites, experimental studies, extraterrestrial geology, interplanetary dust, interplanetary space, meteorites, porosity, stony meteorites, X-ray spectroscopy
ISSN: 0026-1114
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Extraterrestrial Geology (040302)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Mineralogy and Crystallography (040306)
Divisions: Current > Institutes > Institute for Future Environments
Deposited On: 20 Jan 2013 22:54
Last Modified: 20 Jan 2013 22:54

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