Agency Code: 501 Project Code: KLC Site Code: 1954
Described by: Heather Percy Date: 29/08/1994

Observation type: existing vertical exposure Category: full description
Lab Analyses: Special purpose analyses only.

Location: MGA94 Zone: 50  479980 mE  6271378 mN Elevation (m): 300  Map sheet:  Dinninup 100K
Location notes: Road cutting along Wongerup Road - next to a nature reserve (?).
Site notes: Paddock opposite is cleared and in a crop/pasture rotation.
Disturbance: Natural.

Landform
Landform pattern: low hills	Slope:  6 %
Relief/modal slope: undulating low hills
Landform element: hillslope
Morphological type: mid-slope
Pattern Relief:  low hills	Microrelief: 60 m

Surface and Hydrological Properties
Rock outcrop: 0 %  
Surface coarse fragments: common rounded gravel sized smooth-faced ferric gravel; no stones and boulder sized
Physical properties: loose; deep soil

Geology/parent material
Soil parent material: ferricrete
Weathered ferricrete.

Vegetation
Type:  shrubland; Surrounded by:  woodland
Notes: Jarrah woodland with dense dryandra, harsh hakea and poison understory.

Land use
Site: Not used. Surrounds: Not used.

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

Current Classification
WA Soil Group: (1999) Deep sandy gravel
Australian Soil Classification: (2002) Ferric Eutrophic Brown Kandosol
Soil Series: Gibbs
Map Unit: 257Fa_1

Other Classifications
Northcote PPF: Gn2.25

Soil Profile Description

Horizon | Depth (cm) | Description
A1 | 0-7 | Dark brown (7.5YR 3/3 moist) gravelly clayey medium sand; no mottles; apedal, single grain structure; no segregations segregations; 20% rounded smooth-faced ferric gravel fine gravel sized coarse fragments and  10% rounded smooth-faced ferric gravel medium gravel sized coarse fragments; rapid permeability; common fine roots; pH 6 (Raupach and Tucker); clear boundary.
A2c | 7-50 | Strong brown (7.5YR 5/6 moist) gravelly clayey medium sand; no mottles; apedal, single grain structure; no segregations segregations; 30% rounded smooth-faced ferric gravel fine gravel sized coarse fragments and  20% rounded smooth-faced ferric gravel medium gravel sized coarse fragments; rapid permeability; common fine roots; pH 7 (Raupach and Tucker); gradual boundary.
B1c | 50-70 | Yellowish brown (10YR 5/8 moist) gravelly medium sandy loam; no mottles; apedal, single grain structure; no segregations segregations; 30% rounded smooth-faced ferric gravel fine gravel sized coarse fragments and  20% rounded smooth-faced ferric gravel medium gravel sized coarse fragments and  10% subrounded smooth-faced ferric gravel coarse gravel sized coarse fragments; moderately rapid permeability; few coarse roots; pH 7 (Raupach and Tucker); gradual boundary.
B2cw | 70-100 | Yellowish brown (10YR 5/8 moist) loamy gravel texture; no mottles; apedal, massive structure; no segregations segregations; 30% rounded smooth-faced ferric gravel fine gravel sized coarse fragments and  30% rounded smooth-faced ferric gravel medium gravel sized coarse fragments and  10% subrounded smooth-faced ferric gravel coarse gravel sized coarse fragments; moderately rapid permeability; few roots; pH 7 (Raupach and Tucker); notes: +MSL.

Lab Results (501 KLC 1954)

Basic Chemistry

Sample | Horizon | Match | Depth | pH_w | pH_CaCl2 | EC | Al_CIDI | Fe_CIDI
D | 4 | A | 70-100 | 6.6 | 5.9 | 3 | 0.28 | 1.148
S | 1 | A | 0-7 | | 5.2 | | |
T | 2 | B | 15-25 | | 6 | | |
U | 2 | B | 40-50 | | 6 | | |

Exchangeable Cations

Sample | Horizon | Match | Depth | CEC | Exch_Ca | Exch_Na | Exch_K | Exch_Mg | Sum_Exch | ESP | CaMgR_Exch | Exch_cats% | Base_stat
D | 4 | A | 70-100 | 5 (1) | 1 (1) | 0.17 (1) | 0.32 (1) | 2.1 (1) | 3.59 (1) | 3 (2) | 0.48 (1) | 72 (2) | 15.96 (2)

Particle Size Analysis

Sample | Horizon | Match | Depth | sand | silt | clay
D | 4 | A | 70-100 | 69 | 8.5 | 22.5