Surface Recrystallization of Polyethylene Extended-Chain Crystals
- 9 December 1966
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 154 (3754), 1329-1330
- https://doi.org/10.1126/science.154.3754.1329
Abstract
Sinkholes up to 125 meters wide and 50 meters deep have developed catastrophically in thick unconsolidated debris above pinnacle-weathered dolomite after lowering of the groundwater surface by at least 160 meters. They are caused by shrinkage of desiccated debris, downward migration of debris into bedrock openings, and upward growth of multiple debris "caverns" by roof spalling.Keywords
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