| Abstract: | Smectite was reacted at several temperatures between 200??C and 500??C to produce interstratified illite/smectite (I/S) with different proportions of expandable layers. Dispersed and sedimented products were examined using a transmission electron microscope. Particle size and aspect ratio showed no systematic change as a function of reaction extent during RO illitization. However, particles exhibited rounded edges during the early stages of the reaction, suggesting some dissolution of primary smectite. The thickening of particles is thought to be produced by the nucleation and precipitation of secondary illite layers on primary smectite layers. In the most extensively reacted I/S, particles have become aggregated into clumps or quasicrystals by lateral growth of illite layers. In highly illitic I/S, these aggregates took on an overall euhedral form and became crystallographically contiguous, producing single crystal electron diffraction patterns. -from Authors |
| Genre: | Article |
| ProdID: | 70018016 |
| Citation Author: | Whitney, G.; Velde, B. |
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| Citation End Page: | 218 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Clays and Clay Minerals |
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| Citation Number Of Pages: | 10 |
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| Citation Search Results Text: | Changes in particle morphology during illitization: an experimental study; 1993; Article; Journal; Clays and Clay Minerals; Whitney, G.; Velde, B. |
| Citation Start Page: | 209 |
| Citation Volume: | 41 |
| Citation Year: | 1993 |
| Type: | citation/reference |
| Text: | Changes in particle morphology during illitization: an experimental study; 1993; Article; Journal; Clays and Clay Minerals; Whitney, G.; Velde, B. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DOCUMENT): | http://ccm.geoscienceworld.org/content/41/2/209.citation |
| Date Other: | Fri, 1 Jan 1993 00:00 -0600 |
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