CGRG Bibliography of Canadian Geomorphology
Search Results
Author : Gell, W.A.
Date : 1978
Title : Ice-Wedge Ice, Mackenzie Delta-Tuktoyaktuk Peninsula Area, N.W.T., Canada
Publication : Journal of Glaciology
Issue : 20(84):
Page(s) : 555-562
Abstract
Petrologic analysis was performed on ice-wedge ice in order to investigate changes in fabric across wedges in relation to the growth mechanism. Crystal size increased from the center outward, and strongly preferred dimensional orientations developed parallel to the sides of wedges. C-axis orientations changed from a horizontal girdle at wedge center to a point maximum normal to the folitation at the boundary. These changes are related to recrystallization and grain growth associated with the horizontal stress field. In massive ice penetrated by an ice wedge, crystal size and complexity of crystal shape decreased toward the wedge, dimensional orientations tended to become parallel to the wedge, and C-axes formed a point maximum normal to the wedge boundary.
Bibliography of Canadian Geomorphology