Left: experimentally produced array of new "recrystallised" grains
in single crystal of sodium chlorate.
The aim of this DFG project is to study shear zone development in an
elastic-brittle rock analogue material (sodium chlorate) in situ under the
microscope. Experiments are carried out at room temperature in the
presence of water. Under these conditions sodium chlorate deforms by a
combination of water-assisted stress corrosion cracking (cataclasis) and
solution mass transfer.
Centre and right: natural examples in quartz.
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ETH Earth Sciences Department
19 June 2000