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Caliche vs Silt - What's the difference?

caliche | silt |

As nouns the difference between caliche and silt

is that caliche is (mineral) a crude form of sodium nitrate from south america; used as a fertilizer while silt is .



  • (mineral) A crude form of sodium nitrate from South America; used as a fertilizer.
  • A layer of hard clay subsoil or sedimentary rock; hardpan.
  • * 1929 , US Bureau of Chemistry and Soils, Soil Survey of Potter County, Texas , page 44,
  • According to local well drillers, in wells drilled on the high plains a few hundred feet back from the caliche' escarpment or in other locations on the high plains in this area no hard '''caliche''' or white layer, such as would characterize a soft layer of high lime-carbonate content, is generally reached at a depth corresponding to the elevation of the ' caliche escarpment.
  • * 1985 , Julie Behrend Weinberg, Growing Food In the High Desert Country , page 17,
  • Having a layer of caliche' at depths of 16 inches and less really puts a damper on the garden site. The ' caliche does not allow roots to penetrate it (tree roots often take 10 years to break through a caliche layer) nor does this mineral allow water to drain.
  • * 2011 , Hüseyin Yalçin, Ömer Bozkaya, Chapter 7: Sepiolite-Palygorskite Occurrences in Turkey'', Arieh Singer, Emilio Galan (editors), ''Developments in Palygorskite-Sepiolite Research , page 186,
  • Caliche in various forms, namely powdery, nodule, tube, fracture-infill, laminar crust, hard laminated crust (hardpan) and pisolitic crust, is widespread in the Mersin area in southern Turkey (Eren et al., 2008; Kadir and Eren, 2008).


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  • Mud or fine earth deposited from running or standing water.
  • Material with similar physical characteristics, whatever its origins or transport.
  • (geology) A particle from 3.9 to 62.5 microns in diameter, following the Wentworth scale
  • See also

    * alluvium * varve


    (en verb)
  • To clog or fill with silt.
  • To become clogged with silt.
  • To flow through crevices; to percolate.
  • Derived terms

    * silt up


    * ----