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DEVITRIFICATION DIKES AND GIANT SPHERULITES FRONI KLONDYKE, ARIZONA1
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Terzaghi (1935, p. 378-379) has presented a variation diagram for 9. volcanic glasses and 4 devitrified volcanic glasses, all containing more ...
http://www.minsocam.org/ammin/AM47/AM47_871.pdf - Similar pages
by FIS SrnroNs
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Post-emplacement alkali modifications in rapidly cooled acid ...
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The present work indicates that rapidly cooled calc-alkaline acid volcanic rocks do undergo. post-emplacement devitrification modifications in their alkali ...
http://www.minsocam.org/ammin/AM62/AM62_333.pdf - Similar pages
by NR KocHHeRl - Cited by 3 - Related articles - All 3 versions
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Petrographic description and identification of pebble samples from ...
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Heavily ferrugenized, devitrified volcanic glass. Pebble 10 (as Pebble 5, Thin section A). Coarse grained, compacted sandstone with micaceous grains ...
http://nora.nerc.ac.uk/3936/1/IR06141.pdf - Similar pages
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Journal of Non-Crystalline Solids : Devitrification of natural ...
Pyroclastic fragmentary volcanic rocks are usually devitrified to zeolitic and clay mineral assemblages; more rarely can undergo high temperature ...
http://linkinghub.elsevier.com/retrieve/pii/S002230930300294...