Proposal for a Micromorphological Classification of Soil Materials. I. A Classification of the Related Distributions of Fine and Coarse Particles

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Date
1975
Authors
Stoops, G.
Jongerius, A.
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Abstract
As a first step towards a new micro morphological classification of soil materials, a classification is made of the mutual spatial distributions of the coarse and fine fabric elements of lowest order: the elf-related distributions. The classification comprises five orthotypes: monic - only one size fraction is present; gefuric - bridges of finer material exist between coarser grains; chitonic - finer material Coats the coarser grains; enaulic - the finer material occurs as small aggregates in the spaces between the coarser grains; and porphyric - the coarser grains are embedded in a dense mass of finer material. The relationship between the different types is visualized in a three-dimensional geometric figure: a trigonal bipyramid. An appropriate terminology makes it possible to express the different combinations of types, the size variations and the main composition of each size fraction.
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Lithology And Mineral Resources, 13, p. 189-199
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