Internal melt figures in ice by rapid adiabatic Compression

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TypeArticle
Journal titleJournal of Glaciology
Volume40
Issue134
Pages132134; # of pages: 3
Subjectice; internal melting
AbstractSingle crystals and bicrystals of water ice have been adiabatically pressurized to produce, and clearly illustrate, two types of internal melt figures: (1) dendritic figures that grow from nucleation imperfections on the specimen's surface, or from air bubbles at grain boundaries, into the ice as pressure is elevated; and (2) compression melt fractures, flat liquid-filled disks, that nucleate at imperfections in the crystal and grow with the application of pressure eventually to sprout dendritic fingers at the periphery. The transparency of the ice permitted visualization of the growth and behaviour of the figures, and this could be an important tool in understanding the role of phase transformations in deep-focus earthquakes. Correlation between figure size and pressure is noted for the first time.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedYes
IdentifierIR-1995-25
NRC number5792
NPARC number8895166
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Record identifier83b501b1-97d4-4b22-bbe9-825d91dac241
Record created2009-04-22
Record modified2016-05-09
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