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Stone Polygons |
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Stone Polygons
(stone wreaths), a type of permafrostmicrorelief consisting of a system of polygons or rings composedof aleurite surrounded by coarsely fragmented material. Theyoccur as a result of combinations of polygonal fracturing, swell-ing, and permafrost sorting of soils within the active layer inlithologically heterogeneous rocks. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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