A lithalsa is a frost-induced raised landform that develops in permafrost areas with mineral-rich soils, formed when a perennial lens of ice grows within the soil and pushes the ground surface upward. The term is sometimes used broadly enough to also cover related ice-cored mounds such as palsas and pingos, though a lithalsa is distinguished by its mineral, rather than peat-dominated, soil.
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Lithalsa (Wikipedia)
In Discipline: Geomorphology, Lead paragraphQuote, In Discipline: Geomorphology, Lead paragraph
Lithalsa is a frost-induced raised land form in permafrost areas with mineral-rich soils, where a perennial ice lens has developed within the soil
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