Agency Code: 501 Project Code: COR Site Code: 1792
Described by: Bill Verboom Date: 09/12/1998

Observation type: soil pit Category: full description
Lab Analyses: Detailed chemical and physical analyses.

Location: MGA94 Zone: 50  466640 mE  6411128 mN Map sheet:  Beverley 100K
Location notes: 
Site notes: Gravel % by weight and volume---yellow sand

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: 

Species List
Allocasuarina sp., Leptospermum sp., Eucalyptus marginata

Current Classification
WA Soil Group: (1999) Yellow deep sand
Australian Soil Classification: (2002) Basic Ferric Yellow-Orthic Tenosol, A thickness medium, A gravels non-gravelly, A texture sandy, B texture sandy, Soil Depth very deep
ASC confidence: high
Map Unit: 253Wn_2

Soil Profile Description

Horizon | Depth (cm) | Description
A1 | 0-15 | Brown (10YR 4/3 moist) sand; loose dry consistence; apedal, massive structure; moderately rapid permeability, water repellent; pH 6.4 (1:5 water); EC 0 (mS/m (1:5)); notes: Organic darkened; clear, smooth boundary.
A21 | 15-80 | Brownish yellow (10YR 6/8 moist) clayey sand; firm dry consistence; apedal, massive structure; moderately rapid permeability; pH 7.5 (1:5 water); EC 0 (mS/m (1:5)); diffuse, smooth boundary.
A22 | 80-150 | Brownish yellow (10YR 6/8 moist) clayey sand; loose dry consistence; apedal, massive structure; 5% subrounded ferruginous ironstone fine gravel sized coarse fragments % by weight and  3% subrounded ferruginous ironstone medium gravel sized coarse fragments % by weight; moderately rapid permeability; pH 8.5 (1:5 water); EC 0 (mS/m (1:5)); clear, wavy boundary.
B2c | 150-190+ | Brownish yellow (10YR 6/6 moist) gravelly clayey sand; loose dry consistence; apedal, massive structure; 30% rounded ferruginous ironstone fine gravel sized coarse fragments % by volume and  30% rounded ferruginous ironstone medium gravel sized coarse fragments % by volume; moderately rapid permeability; pH 8.2 (1:5 water); EC 0 (mS/m (1:5)).

Lab Results (501 COR 1792)

Basic Chemistry

Sample | Horizon | Match | Depth | pH_CaCl2 | OC_wb | Fe_CIDI
1 | 1 | A | 0-15 | 4.9 (2) | 2.61 (1) | 0.34 (1)
2 | 2 | A | 15-80 | 5.7 (2) | 0.35 (1) | 0.51 (1)
3 | 3 | A | 80-150 | 5.7 (2) | 0.15 (1) | 0.55 (1)
4 | 4 | A | 150-190 | 5.6 (2) | 0.16 (1) | 0.61 (1)

Exchangeable Cations

Sample | Horizon | Match | Depth | CEC | Exch_Ca | Exch_Na | Exch_K | Exch_Mg | Sum_Exch | ESP | CaMgR_Exch | Exch_cats% | Base_stat
1 | 1 | A | 0-15 | 8.6 (4) | 3.3 (4) | 0.1 (4) | 0.07 (4) | 2.1 (4) | 5.57 (1) | 1 (2) | 1.57 (1) | 65 | 278.5 (2)
2 | 2 | A | 15-80 | 2.2 (4) | 1.1 (4) | 0.05 (4) | 0.03 (4) | 1.3 (4) | 2.48 (1) | 2 (2) | 0.85 (1) | 100 | 248 (2)
3 | 3 | A | 80-150 | 1.2 (4) | 0.7 (4) | 0.04 (4) | 0.02 (4) | 1.3 (4) | 2.06 (1) | 3 (2) | 0.54 (1) | 100 | 103 (2)
4 | 4 | A | 150-190 | 0.6 (4) | 1 (4) | 0.06 (4) | 0 (4) | 1.9 (4) | 2.96 (1) | 10 (2) | 0.53 (1) | 100 | 98.67 (2)

Particle Size Analysis

Sample | Horizon | Match | Depth | s500_2000u | s200_500u | s20_200u | silt | clay
1 | 1 | A | 0-15 | 29 | 52 | 13 | 4 | 2
2 | 2 | A | 15-80 | 21 | 47 | 28 | 3 | 1
3 | 3 | A | 80-150 | 16 | 41 | 40 | 1 | 2
4 | 4 | A | 150-190 | 33 | 50 | 12 | 2 | 3