Diagnostic SUBsurface horizons Flashcards

1
Q

argillic

A

subsurface accumulation of silicate clays

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2
Q

natric

A

like argillic (silicate clays) but is sodic

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3
Q

kandic

A

accumulation of Fe/Al oxides, and low activity silicate clays, low CEC

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4
Q

oxic

A

highly weathered, high in Fe/Al oxides
common in humid tropic areas

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5
Q

spodic

A

illuvial horizon w/ OM + Fe/Al oxides
in sandy forested soils in cool humid climates

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6
Q

albic

A

eluvial horizon, lightly colored, low in clay and oxides

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