Salic Horizon - Soil Geography of the USA: A Diagnostic-Horizon Approach - page 222

Table 20.2 Mineralogy of soils with salic horizons (Bockheim and Hartemink 2013 )
Clay ( < 2 μ m) Coarse-silt (50-20 μ m) Very-fine sand (100-50 μ m)

Soil series 7 3 1

Mineral
Biotite 1 1

Chlorite 3 1

Halloysite 1

Hydrous mica 5 1

Kaolinite 5

Palygorskite 1

Smectite 4

Vermiculite 1

Apatite 1

Beryl 1

Calcite 2 1 1

Chert 1

Cristobalite 1

Feldspars 2 1 1

Garnet 1

Gibbsite 1

Glass 2 1

Goethite 1

Gypsum 1

Hematite
Hornblende

1 1

Opal 1

Opaques 1 1

Plagioclase 1 1

Pyrophyllite 1

Pyroxene 1

Quartz 4 1 1

Sponge spicules 2

Tourmaline 1

Zeolites 1

Zircon 1

Table 20.3 Classification of soils with a salic horizon in Soil Taxonomy (Bockheim and
Hartemink 2013 )

Great
group Order Suborder Subgroups Total

Aridisols Salids Aquisalids Calcic (4), Gypsic (4), Typic (18) 26

Haplosalids Calcic (1), Gypsic (2), Typic (6) 9

35

Inceptisols Aquepts Halaquepts Aeric (24), Aquandic (2), Duric (7), Typic (28),
Vertic (1)

62
97