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eugeosyncline
eugeosyncline [ yji ō síng klīn ] (plural eugeosynclines)


noun 
Definition:
 
geological depression with some volcanic activity: a long broad depression in the Earth's crust containing a thick accumulation of sedimentary deposits and subject to intermittent volcanic activity.
See also  miogeosyncline
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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