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16 Cards in this Set
- Front
- Back
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Entisols Limited development; inherited properties from parent material; pale color
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low humus
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Andisols Volcanic parent materials
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particularly ash and volcanic glass. Areas affected by frequent volcanic activity.
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Aridisol Found in deserts
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very dry
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Gelisol "Within 2m of surface
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there is soil that is frozen all of the time
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[Upper
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right-hand corner of North America]"
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Histosols Peat or bog. Organic soils
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wet places. Poorly drained and remain saturated all of the time. Thick accumulation of partially decomposed plant material.
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Inceptisols Intermediate development; embryonic soils
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but few diagnostic features. Weakly developed soils
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—A Horizon: think
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dark
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—Old
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lots of weathering and water-->lots of breaking down of
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—O Horizon
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but little or no A Horizon
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—Soil is Acidic-->Weathering of Mineral-->Release of iron
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aluminum oxides-->Oxides washed downward
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—E Horizon is pale
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bleached
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Illuvial B horizon of iron/aluminum clays
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humus accumulation
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[Not as far north
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maybe middle/lower Canada]"
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Ultisol "Red profile
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deeper
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Water falls into soil swells during the wet season
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cause self-mixing vertically"
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