Agency Code: 501 Project Code: DAN Site Code: 0844
Described by: Ted (E.A.) Griffin Date: 13/05/1996

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

Location: MGA94 Zone: 50  367603 mE  6656514 mN 
Location notes: Rob Klaassen, Badgingarra
Site notes: photos also include roll 17; 21-18
Disturbance: Complete clearing; past cultivation.

Landform
Landform pattern: low hills	Slope:  4 %
Relief/modal slope: undulating low hills
Landform element: hillslope
Morphological type: upper slope	Slope curvature: concave slope
Pattern Relief:  low hills

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: Water repellent; firm

Land use
Site: Cropping (may include grazing in rotation). Surrounds: Grazing (grazing of vegetation planted by man).

Current Classification
WA Soil Group: (1999) Deep sandy gravel
Australian Soil Classification: (2002) Basic Regolithic Sesqui-Nodular Tenosol
ASC confidence: very high
Soil Series: Gsd (provisional)
Map Unit: 222Co_5a

Soil Profile Description

Horizon | Depth (cm) | Description
A1 | 0-10 | Dark grey (10YR 4/1 moist), greyish brown (10YR 5/2 dry) loamy fine sand; 10% subrounded ironstone medium gravel sized coarse fragments and  10% subrounded ironstone coarse gravel sized coarse fragments; common very fine roots; pH 5.6; EC 24 mS/m; abrupt, smooth boundary.
B21c | 10-50 | Pale brown (10YR 6/3 moist), light grey (10YR 7/2 dry) sandy gravel texture; 25% subrounded ironstone medium gravel sized coarse fragments and  50% subrounded ironstone coarse gravel sized coarse fragments; few very fine roots; pH 5.8; EC 2 mS/m; notes: Weakly clayey fine sandy gravel.
B22c | 50-80 | Very pale brown (10YR 7/4 moist), white (10YR 8/2 dry) sandy gravel texture; 10% subangular quartz fine gravel sized coarse fragments and  60% subrounded ironstone medium gravel sized coarse fragments and  10% subrounded ironstone coarse gravel sized coarse fragments; few very fine roots; pH 6.4; EC 3 mS/m; notes: Weakly clayey medium to fine sandy gravel.
B23c | 80-140 | Very pale brown (10YR 7/4 moist), very pale brown (10YR 8/3 dry) sandy gravel texture; 10% subangular quartz fine gravel sized coarse fragments and  20% subrounded ironstone medium gravel sized coarse fragments and  50% subrounded ironstone coarse gravel sized coarse fragments; few very fine roots; pH 6.4; EC 1 mS/m; notes: Weakly clayey coarse to fine sandy gravel; gradual, irregular boundary.
B24c | 140-170 | Brownish yellow (10YR 6/6 moist) gravelly coarse sand with 4-8% clay; 15% subrounded quartz fine gravel sized coarse fragments and  35% subrounded ironstone medium gravel sized coarse fragments; pH 6.6; EC 2 mS/m; gradual, irregular boundary.
| 170-200+ | Apedal, massive structure.

Lab Results (501 DAN 0844)

Basic Chemistry

Sample | Horizon | Match | Depth | pH_w | pH_CaCl2 | EC | OC_wb | N_kjel | P_kjel | P_HCO3 | PRI | K_HCO3 | Al_CaCl2
A | 1 | A | 0-10 | 5.9 | 5.2 | 11 | 2.3 | 0.165 | 179 | 12 | -0.7 | 128 | <1
B | 2 | A | 10-50 | 5.8 | 4.8 | 1 | 0.26 | 0.017 | 54 | 3 | 1.4 | 13 | <1
C | 3 | A | 50-80 | 6.1 | 5.2 | 1 | 0.12 | 0.009 | 47 | 2 | 1.6 | 17 | <1
E | 4 | B | 110-140 | 6.6 | 5.7 | 2 | 0.16 | 0.011 | 56 | <2 | 7.6 | 53 |
F | 5 | A | 140-170 | 6.6 | 5.8 | 2 | 0.13 | 0.011 | 65 | <2 | 14.7 | 53 |
G | 6 | A | 170-200 | 6.4 | 5.9 | 2 | 0.06 | 0.007 | 68 | <2 | 80.1 | 38 |

Exchangeable Cations

Sample | Horizon | Match | Depth | CEC | Exch_Ca | Exch_Na | Exch_K | Exch_Mg | Exch_Mn | Exch_Al | Sum_Exch | ESP | CaMgR_Exch | Exch_cats% | Base_stat
A | 1 | A | 0-10 | | 4.08 (2) | 0.18 (2) | 0.23 (2) | 0.72 (2) | 0.02 (2) | 0.02 (2) | 5.21 (1) | 3 (3) | 5.67 (1) | | 217.08 (2)
B | 2 | A | 10-50 | | 0.4 (2) | 0.06 (2) | 0.02 (2) | 0.06 (2) | <0.02 (2) | 0.05 (2) | 0.54 (1) | 11 (3) | 6.67 (1) | | 22.5 (2)
C | 3 | A | 50-80 | | 0.34 (2) | 0.08 (2) | 0.03 (2) | 0.08 (2) | <0.02 (2) | <0.02 (2) | 0.53 (1) | 15 (3) | 4.25 (1) | | 27.89 (2)
E | 4 | B | 110-140 | 2 (1) | 0.73 (1) | 0.06 (1) | 0.11 (1) | 0.4 (1) | | | 1.3 (1) | 3 (2) | 1.83 (1) | 65 (2) | 26.53 (2)
F | 5 | A | 140-170 | 2 (1) | 0.96 (1) | 0.11 (1) | 0.1 (1) | 0.65 (1) | | | 1.82 (1) | 6 (2) | 1.48 (1) | 91 (2) | 14.33 (2)
G | 6 | A | 170-200 | | 0.58 (2) | 0.1 (2) | 0.05 (2) | 0.71 (2) | <0.02 (2) | <0.02 (2) | 1.44 (1) | 7 (3) | 0.82 (1) | | 6.18 (2)

Particle Size Analysis

Sample | Horizon | Match | Depth | gt2mm | s1000_2000 | s600_1000u | s300_600u | s180_300u | s150_180u | s106_150u | s75_106u | s20_75u | silt | clay
A | 1 | A | 0-10 | 40 | 6 | 10.9 | 23.9 | 20.3 | 7.5 | 9.3 | 7.2 | 11 | 1.5 | 2.4
B | 2 | A | 10-50 | 80.92 | 7.5 | 8.8 | 21.1 | 20.1 | 8.2 | 11.2 | 8.9 | 10 | 1.8 | 2.4
C | 3 | A | 50-80 | 83.27 | 14.7 | 6.9 | 19 | 21.2 | 8 | 10.2 | 7.1 | 9.5 | 1.5 | 1.9
D | 4 | B | 80-110 | 84.02 | | | | | | | | | |
E | 4 | B | 110-140 | 83.46 | 30.2 | 9.4 | 15.2 | 14.7 | 5.1 | 6.1 | 4.6 | 8 | 1.8 | 4.9
F | 5 | A | 140-170 | 67.44 | 33.6 | 10.3 | 13.3 | 10.1 | 3.4 | 3.9 | 3.1 | 6.9 | 2.7 | 12.7
G | 6 | A | 170-200 | 50.27 | 25.8 | 12.2 | 12.8 | 8.4 | 2.7 | 3.4 | 2.7 | 6.1 | 2.6 | 23.3