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Related to colluviums: Colluviation


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.


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


(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.
References in periodicals archive ?
In the bottom part of the landslide, the samples for the laboratory analyses were taken from the research excavations in the colluviums formations.
The Oligocene-Pliocene Vihowa group like Chitarwata Vihowa Litra and Chaudhwan formations Pleistocene-Holocene Sakhi Sarwar group like Dada and Sakhi Sarwar formations are deposited by fluviatile environments and Sub recent and Recent deposits show the alluvium with minor colluviums and eolian.
These basic outcrops are buried by morainic deposits and slope colluviums (PEREZ BADIA & al.