Location: Narangrook West
Australian Soil Classification: Bleached-Mottled, Eutrophic, Brown CHROMOSOL (very thick loamy surface horizons)
General Landscape Description: Gently inclined undulating rises.
Site Description: Crest.
Geology: Hanson Plain Sand
Soil Profile Morphology:
|A1||0-10 cm||Dark grayish brown (10YR4/2 moist), light brownish gray (10YR6/2 dry); sandy loam; apedal; very weak consistence; pH 5.2:|
SW68 Profile. Note: Surface (A1) horizon has been stripped from the soil profile.
|A21eg||10-60 cm||Very pale brown (10YR7/4 moist), light gray (10YR7/2 dry); sandy loam; abrupt smooth change to:|
|A22ce||60-80 cm||Very many (80%) irregular rounded coarse (10-30 mm) ferromanganiferous nodules in a very pale brown (10YR7/4 moist), light gray (10YR7/2 dry) sandy loam matrix:|
|A3||80-90 cm||Yellow/gray mottled; coarse sandy loam with fine distinct red mottles, clear change to:|
|B21tg||90-150 cm||Mottled brown (7.5YR4/4 moist) (50%) and strong brown (7.5YR5/8 moist) (50%); tough heavy clay; firm (moist) consistence; pH 6.2:|
|B22tg||150-220/230 cm||Brown (7.5YR4/6 moist) and strong brown (7.5YR5/6 moist) and dark brown (7.5YR3/2 moist) and gray (7.5YR5/1) coatings on ped faces; heavy clay; firm (moist) consistence; pH 6.0; abrupt change to:|
|C||220/230 cm+||Hanson Plain Sand; red and yellow mottled weekly cemented coarse sand, diggable with spade; very many (80%) irregular rounded coarse (10-30 mm) ferromanganiferous nodules in a very pale brown (10YR7/4 moist), light gray (10YR7/2 dry) sandy loam matrix.|
(at 150 - 220 cm)
|The surface is strongly acid. The subsoil is slightly acid becoming moderately acid with depth||Salinity rating is very low throughout the profile.||The soil is non sodic throughout.||Clay levels jump markedly at the surface / subsoil boundary.|
(0.2- 2.0 mm)
(0.02- 0.2 mm)
(0.002- 0.02 mm)