colluvium


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col·lu·vi·um

 (kə-lo͞o′vē-əm)
n. pl. col·lu·vi·ums or col·lu·vi·a (-vē-ə)
A loose deposit of rock debris accumulated through the action of gravity at the base of a cliff or slope.
[Latin, a collection of washings, dregs, from colluere, to wash thoroughly : com-, intensive pref.; see com- + -luere, to wash; see leu(ə)- in Indo-European roots.]
col·lu′vi·al adj.
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.

colluvium

(kəˈluːvɪəm)
n, pl -via (-vɪə) or -viums
(Geological Science) a mixture of rock fragments from the bases of cliffs
[Latin: collection of filth, from colluere to wash thoroughly, from com- (intensive) + luere to wash]
colˈluvial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

col•lu•vi•um

(kəˈlu vi əm)

n., pl. -vi•a (-vi ə) -vi•ums.
loose earth material that has accumulated at the base of a slope; talus.
[1935–40; < Latin colluv-, base of colluere to rinse, wash out <lavere to wash; compare alluvium, deluge]
col•lu′vi•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
These deposits acquire the characteristics of colluvium on the slopes and give rise to a dune relief in the paleoplain.
Landscape, surface runoff, and groundwater quality in the district of Puan, province of Buenos Aires, Argentina
Regions underlain by unconsolidated Quaternary deposits of glacial, alluvial and lacustrine origin were transferred to nut base map from geologic maps (Huntting et al., 1961; Tabor, 1975) to represent provinces in which rock outcrops and rocky colluvium are rare.
Distribution of Van Dyke's salamander (Plethodon vandykei van Denburgh)
As the result of this observation is seems to be possible to accurately determine fresh slides together with transport direction of colluvium sediment.
Landslides mapping in Roznow lake vicinity, Poland using airborne laser scanning data
The Valley 384 m Parry Formation; Carboniferous sediments and Tertiary Basalt colluvium Property Soil type Fertiliser application l.
Land-use effects on soil properties on the north-western slopes of New South Wales: Implications for soil condition assessment
Because the failure plane of a slump lies beneath the surface, in either bedrock or colluvium (weathered material that has moved downslope), determination of the size or even the full extent of a slump can be difficult.
Monitoring slump-earthflow complex movement: a southeastern Ohio case study (1)
Headwall weathering and thickness of colluvium suggest a pre-LIA age.
Atlantic Geoscience Society
Watersheds are affected by sediment mass budgets in which the important parameters are the inputs (erosion), intrabasinal storage (alluvium and colluvium), and the outputs (sediment yield).
Sediment Yields Controlled by Intrabasinal Storage and Sediment Conveyance over the Interval 1842-1994: Chagrin River, Northeast Ohio, U.S.A
High conductivity values in 1993 and during the same time period in 1994 suggest that the contribution of dissolved solids in the early season is derived from ion enrichment of snow meltwater that flows through colluvium and alluvium in the lower basin tributaries.
Hydrometeorology, suspended sediment and conductivity in a large glacierized basin, Slims River, Yukon Territory, Canada (1993-94)
For poorly defined Cainozoic unconsolidated material, such as unqualified 'alluvium' or 'colluvium' for which their broad composition is unknown, lithological classes were allocated following reference to existing soil type maps.
Pragmatic models for the prediction and digital mapping of soil properties in eastern Australia
Loess is followed by a colluvium of marl and finally by loess.
Characterization of anthropogenic influence on the soil cover on selected localities of Prague
At Rockvale, soils were developed from New England metasediments of the Sandon Beds, while at Newby Park, soils were developed from a mixture of New England Metasediments (Sandon Beds) and Tertiary Basalt colluvium from the unclassified Armidale volcanics.
Scattered native trees and soil patterns in grazing land on the Northern Tablelands of New South Wales, Australia
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