Abstract

Excellent laboratory models of glaciers were produced by pouring a mixture of molding plaster and water down a prefashioned trough of nonabsorbent material. The plaster models simulate the dynamics of glacier flow and accurately display many surface and internal structures common to real glaciers, including crevasse and flow patterns, icefalls and ogives, shears, and folds. Internal and surface reference lines depict the nature of the deformation produced by flow. The technique is successful as a teaching aid and shows definite potential as a research tool.

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