frakcja iłu clay

Creator:
Language pair:Polish to English
Definition / notes:clay
As a particle-size term: a size fraction less than 0.002 mm in equivalent diameter, or some other limit (geologists and engineers).
As a rock term: a natural, earthy, fine grained material that develops plasticity with a small amount of water.
As a soil term: a textural class. See also texture, soil..
As a soil separate: a material usually consisting largely of clay minerals but commonly also of amorphous free oxides and primary minerals.

Słownik agrofizyczny pol-ang i ang-pol (PAN, Wydział Nauk Rolnicznych i Leśnych):
frakcje granulometryczne gleby (wg. klasyfikacji PTGleb.):
(...)
frakcja piasku - sand (1 - 0,1 mm)
f. pyłu = silt (0.1 - 0.02 mm)
f.p. grubego = coarse silt (0.1 - 0.05 mm)
f.p. drobnego = fine silt (0.05 - 0.02 mm)
f. iłu = clay (<0,02 mm)
(...)


SOIL SEPARATES: The names and size limits of separates recognized by pedologists in Canada and the United States are:
very coarse sand, 2.0 to 1.0 mm
coarse sand, 1.0 to 0.5 mm
medium sand, 0.5 to 0.25 mm
fine sand, 0.25 to 0.10 mm
very fine sand, 0.10 to 0.05 mm
silt,0.05 to 0.002 mm
clay, less than 0.002 mm
fine clay, less than 0.0002 mm
http://sis.agr.gc.ca/cansis/glossary/separates,_soil.html
URL:http://sis.agr.gc.ca/cansis/glossary/
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