Soil Mineralogy and Consistence

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Brittleness Grade Brittle Description Rupture abruptly (“pops” or shatters) Semi- Deformable Deformable Rupture occurs before compression to < ½ original thickness Rupture occurs after compression to > ½ original thickness
Fluidity Grade Nonfluid Slightly Fluid Moderately Fluid Very Fluid Description No soil flows through fingers at full compression Some soil flows through fingers, , most remains in the palm, after full pressure Most soil flows through fingers, some remains in the palm, after full pressure Most soil flows through fingers, very little remains in the palm, after gentle pressure
Page 1 and 2: Soil Mineralogy and Consistence
Page 3 and 4: CIDWT/University Disclaimer These m
Page 5 and 6: Soil mineralogy and consistence ‣
Page 7 and 8: Building Blocks of Clay ‣ Silica
Page 9 and 10: Sheets of Tetrahedron and Octahedro
Page 11 and 12: Clay Structure
Page 13 and 14: 1:1 Clay Mineral
Page 15 and 16: 2:1 Clay Mineral
Page 17 and 18: Expansive 2:1 Clays ‣ Bound toget
Page 19 and 20: Parent Material ‣ The 1:1 mineral
Page 21 and 22: Examples of management issues for e
Page 23 and 24: Consistence ‣ Rupture Resistance
Page 25 and 26: Rupture Resistance Classes: Blocks,
Page 27: ‣ Brittleness Failure Classes •
Page 31 and 32: Stickiness ‣ The capacity of soil
Page 33 and 34: Non-Sticky
Page 35 and 36: Plasticity ‣ The degree to which
Page 38 and 39: Very Plastic 4 cm long 2 mm diamete
Page 40 and 41: Penetration Resistance Penetration
Page 42: Interpretations ‣ As consistency

Soil Mineralogy and Consistence

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