Agency Code: 501 Project Code: NCP Site Code: 0381
Described by: Noel Schoknecht Date: 21/05/1992

Observation type: auger boring Category: full description

Location: MGA94 Zone: 50  320220 mE  6684137 mN Elevation (m): 50  Map sheet:  Arrowsmith 100K
Location notes: 
Site notes: Site is surrounded by rows of planted Old Man Saltbush. Depth of the sandy topsoil is variable but usually between 5&15cms. Salt crusting on the surface. Clay below 35cm is hard to auger thru.
Disturbance: Complete clearing; past cultivation.

Landform
Landform pattern: plain	Slope:  1 %
Relief/modal slope: level plain
Landform element: scald
Morphological type: flat
Pattern Relief:  plain

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: surface crust; 

Geology/parent material
Soil parent material:
Alluvium

Vegetation
Notes: Bare except for Sea barley grass and Old Man Saltbush (planted)

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

Visible erosion, assessed flooding and salinity
no flooding, moderate ponding, severe salinity.

Current Classification
WA Soil Group: (1999) Saline wet soil, Saline
Australian Soil Classification: (2002) Bleached Chromosolic Oxyaquic Hydrosol
Map Unit: 221En_4

Soil Profile Description

Horizon | Depth (cm) | Description
A1 | 0-5 | Brown (10YR 5/3 moist) loamy medium sand; very weak moist consistence; apedal,; pH 7; EC 1170 mS/m.
A2 | 5-10 | Very pale brown (10YR 7/3 moist) loamy medium sand; many medium prominent dark yellowish brown (10YR 4/6 moist)  mottles; very weak moist consistence; apedal,; pH 6.5.
B21 | 10-35 | Pale brown (10YR 6/3 moist) sandy light medium clay; few fine faint brownish yellow (10YR 6/6 moist)  mottles; firm moist consistence; rough-ped fabric; pedal, weak, 20-50 mm, subangular blocky structure; non-dispersing, non-slaking; pH 8; EC 120 mS/m.
B22 | 35-45 | Brown (10YR 5/3 moist) sandy medium clay; common fine distinct very dark grey (10YR 3/1 moist)  mottles and few fine faint yellowish brown (10YR 5/6 moist)  mottles; firm moist consistence; non-dispersing, non-slaking; pH 8.