SW67

A2

40-50/60 cm

Brown (10YR4/3 moist), yellowish brown (10YR5/4 dry) in upper part of horizon, tending to olive brown (2.5Y4/4 moist), light olive brown (2.5Y5/6 dry); fine sandy clay loam; occasional buckshot gravel in lower part of horizon and some manganiferous mottles or soft concretions; faint rusty mottles (~5 mm); weak consistence; pH 5.8; clear and wavy change to:

B22tg

90-95-120 cm

Dark greyish brown (10YR4/2 moist); with many (30-50%), yellowish brown (10YR5/8 moist) mottles; thick, dark brown (10YR3/3 moist) cutans; yellow, dull red and black ped interiors; manganese coatings on some ped faces and soft accumulations inside peds; diffuse change to:

B23g

210/300 cm

Dark brown (10YR3/3 moist); common (<20%), yellowish brown (10YR5/8 moist) mottles with soft and hard manganiferous concretions (~20 mm) (5-10%); broad tongueing [300 mm] into B/C horizon; pH 6.3; clear to abrupt boundary and tongueing into:

B/C

210/300+ cm

Conspicuous reticulate laminar mottling; "Tiger Mottles", red (10R4/6) and grey (2.5Y6/1). Lamellae 10-20 mm apart; red matrix is rigid strongly cemented ferruginised sand, grey lamellae are soft sandy to clay; margins of lamellae are often yellow (10YR7/8) to yellowish brown (10YR5/8), red matrix frequently presents as angular ironstone gravel (10-20 mm).