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Sand

Sand. Sand is made up of small coarse pieces of rock. Particles range in size from 2.00 mm to 0.5 mm. Silt. Silt is made up of small flour-like “soil separate.”. Particles range from .05 mm to .002 mm. Clay. Clay appears plate-like in shape.

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Sand

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  1. Sand • Sand is made up of small coarse pieces of rock. • Particles range in size from 2.00 mm to 0.5 mm.

  2. Silt • Silt is made up of small flour-like “soil separate.”. • Particles range from .05 mm to .002 mm.

  3. Clay • Clay appears plate-like in shape. • Particles fit closely together with little space between. • Clay particles are .002 mm or less.

  4. Soil Profile • Soil profile is the arrangement of the soil particles within various layers. • These layers are called horizons. A B C

  5. Soil Horizons A Horizon: Upper layer of soil. High in organic matter. Granular soil structure. B Horizon: Subsoil. Low in organic matter. Block-like/prismatic soil structure. C Horizon: Deepest soil. Very low organic matter. Coarse, rocky soil structure.

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