GENETIC PROCESSES AT THE ORIGIN OF SLOPE FORMATIONS WITH CHALKY GRAVEL IN CHAMPAGNE

Authors
LAURAIN M GUERIN H MARRE A RICHARD J
Citation
M. Laurain et al., GENETIC PROCESSES AT THE ORIGIN OF SLOPE FORMATIONS WITH CHALKY GRAVEL IN CHAMPAGNE, Permafrost and periglacial processes, 6(2), 1995, pp. 103-108
Citations number
3
Categorie Soggetti
Geology,Geografhy
Journal title
Permafrost and periglacial processes → ACNP
ISSN journal
10456740
Volume
6
Issue
2
Year of publication
1995
Pages
103 - 108
Database
ISI
SICI code
1045-6740(1995)6:2<103:GPATOO>2.0.ZU;2-9
Abstract
In Champagne, stratified chalky slope deposits, locally known as grave luche, are frequent. They consist of calcareous blocks, 2-3 mm to 1-2 cm in size, within a silty matrix. There is an alternation between lit s gras and fits maigres (i.e. fine and coarser beds). Three explanatio ns are proposed: eolian deposition, solifluction from upslope, and a g ravity flow of some sort.