Agency Code: 501 Project Code: CHT Site Code: 0703
Described by: John Bessell-Browne Date: 09/07/1996

Observation type: existing vertical exposure Category: full description

Location: MGA94 Zone: 50  398463 mE  6530920 mN Map sheet:  Gingin 100K
Location notes: 
Site notes: 
Disturbance: Cultivation, rainfed.

Landform
Landform pattern: low hills	Slope:  8 %
Relief/modal slope: undulating low hills
Landform element: hillslope
Morphological type: mid-slope
Pattern Relief:  low hills

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: firm; ; deep soil

Geology/parent material
Soil parent material:
Qpo

Vegetation
Surrounded by:  woodland
Notes: marri

Land use
Surrounds: Grazing (grazing of vegetation planted by man).

Visible erosion, assessed flooding and salinity
moderate sheet erosion, moderate rill erosion, severe gully erosion.

Current Classification
WA Soil Group: (1999) Loamy earths supergroup
Australian Soil Classification: (2002) Acidic-Mottled Mesotrophic Red Chromosol
Map Unit: 222DaMD1

Other Classifications
Northcote PPF: Dy5.61

Soil Profile Description

Horizon	Depth (cm)	Description	
A1	0-10	Dark brown (7.5YR 3/2 moist) loam; rough-ped fabric; pedal, weak, <2 mm, crumb structure; pH 5.8 (1:5 water); EC 3 mS/m.	
A2	10-100	Brown (7.5YR 4/2 moist) sandy loam; earthy fabric; apedal,; pH 4.8 (1:5 water); EC 15 mS/m.	
B	100-150	Very dark greyish brown (2.5Y 3/2 moist) medium clay; few distinct yellowish brown (10YR 5/8 moist)  mottles and few faint dark brown (7.5YR 3/2 moist)  mottles; earthy fabric; apedal,; pH 5.4 (1:5 water); EC 4 mS/m.	
C	150-250+	Dark greyish brown (2.5Y 4/2 moist) clayey sand; abundant very coarse distinct dark brown (7.5YR 3/2 moist)  mottles; earthy fabric; apedal,; pH 5.2 (1:5 water); EC 5 mS/m.