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 (sō′lə-flŭk′shən, sŏl′ə-)
The slow, downhill movement of soil or other material in areas typically underlain by frozen ground.

[Latin solum, soil + Latin flūctiō, flūctiōn-, a flowing (from flūctus, past participle of fluere, to flow; see bhleu- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈsɒlɪˌflʌkʃən; ˈsəʊlɪ-) or


(Physical Geography) slow downhill movement of soil, saturated with meltwater, over a permanently frozen subsoil in tundra regions
[C20: from Latin solum soil + fluctio act of flowing]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
The features monitored in a number of sites include latelying snow beds (zabois), active travertine springs, debris flow channels, and stone rings and solifluction lobes characteristic of periglacial terrains (Brookes 1993).
The distinctive elements are: (a) a rock mass with a potent upper zone of limestone (300 m), failed and partially dissolved; (b) that after the movement, rotation and intense fragmentation occurs in blocks; (c) intermediate zone of marl and clay (<30 m), which is essentially impermeable and allowed the existence of a perched water level before the movement, facilitating the entry of water into the upper breaking surface and saturation conditions in the lower regions; (d) a lower zone of silty sand and kaolinite clay (Utrillas facies) (150 m), sometimes with a high percentage of kaolinite (40%), which suffered a fluidification (or solifluction), facilitating the continuity of the breaking surface which happens to be curved to be flat and horizontal.
But 1970-81 provided Ross's classical treatment of disturbance to permafrost terrain (1970); segregation as the origin of massive ice (1971); preservation of permafrost and ground ice beneath the Laurentide ice sheet (1972); the origin of offshore permafrost (1972); the development of pingos from pore-water expulsion (1973); the influence of snow cover on ground temperatures (1974); the characteristics of thermal contraction cracking (1974); experimental demonstration of pingo growth (1977); identification of an early-Holocene thaw unconformity (1978); the origin of hummocks (1980); and plug-like flow in solifluction (1981).
Such as abrupt bending forces from earthquakes or frozen slopes prone to slumping (they have a word for that, too--"solifluction").
These deposits are overlain by a palaeosoil resulting from solifluction. In this "Eemian Soil" the river pebbles are resedimented with reddish-brown loess.
Climatostratigraphic subdivision is based on "interfingering" of fluvial and solifluction covers at the base of hillslopes; a feature indicative of coeval deposition in a periglacial climate zone (Klimaszewski, 1971).
For the past four years, our team has applied ERT in order to investigate the internal structure of periglacial landforms in Southern Carpathians, i.e.: rock glaciers, scree slopes, patterned ground, earth hummocks, debris cones, solifluction lobes and solifluction terraces.
The deluvial and solifluction sands and silts appear within the valleys of small streams, flowing out of the highlands, within the dry valleys and on the slopes.
Climate slightly improved during the Bolling chronozone, contributing to solifluction processes and slow formation of soils.