Agency Code: 501 Project Code: GTN Site Code: 1412
Described by: Gary Rogers Date: 20/02/1991

Observation type: auger boring Category: full description
Lab Analyses: Detailed chemical and physical analyses.

Location: MGA94 Zone: 50  390755 mE  6822913 mN 
Location notes: CBAC; N E Tardun 100m east of fence next to salt drainage --Bulked 0-10cm paddock 2.5yr 3/6 pH6.0 CS-;bulk sample taken NaCl 150m other side of fence in good saltbush stand 0-10cm 10yr 4/4 LMKS+ pH9.0/9.5 <2% 2-6mm angular qz
Site notes: Alluvial red duplex/salt flat, RBHP alluvial flat plain water table at 160cm, layers 6-8 microwaved dry
Disturbance: Cultivation, rainfed.

Landform
Landform pattern: alluvial plain	Slope:  0 %
Relief/modal slope: level plain
Landform element:
Morphological type: flat
Pattern Relief:  alluvial plain

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

Vegetation
Notes: York gum

Current Classification
WA Soil Group: (1999) Red deep sandy duplex, alkaline
Australian Soil Classification: (2002) Calcic Mesonatric Red Sodosol
Soil Series: Morawa 3
Map Unit: 271Pi_2

Other Classifications
Northcote PPF: Dr4.53

Soil Profile Description

Horizon | Depth (cm) | Description
A11 | 0-13 | Dark red (2.5YR 3/6 moist) clayey sand; sandy fabric; massive structure; pH 6; abrupt boundary.
A12 | 13-32 | Dark red (2.5YR 3/6 moist) clayey sand; strong dry consistence; earthy fabric; massive structure; very few angular quartz fine gravel sized coarse fragments; pH 6; abrupt boundary.
B21 | 32-50 | Red (2.5YR 4/6 moist) clay loam, sandy; strong moderately moist consistence; earthy fabric; massive structure; slow slaking; pH 6.5; notes: earthy+ few smooth, sticky; gradual boundary.
B22 | 50-70 | Red (2.5YR 4/6 moist) sandy clay loam; 10-20 mm, polyhedral structure; very few angular calcarenite coarse fragments; slow slaking, moderately calcareous; pH 9; notes: poly peds 5-20mm, sticky; gradual boundary.
B23 | 70-100 | Yellowish red (5YR 4/6 moist) sandy clay loam; earthy fabric; massive structure; pH 9; clear boundary.
B24 | 100-128 | Yellowish red (5YR 4/6 moist) sandy clay loam; earthy fabric; massive structure; very few angular quartz fine gravel sized coarse fragments; pH 9; clear boundary.
B25 | 128-170 | Light brown (7.5YR 6/4 moist) sandy clay; earthy fabric; massive structure; pH 8.5; notes: earthy?; clear boundary.
B26 | 170-195+ | Very pale brown (10YR 7/4 moist) sandy clay; common mottles and many mottles; pH 8; notes: structure and fabric ?.

Lab Results (501 GTN 1412)

Basic Chemistry

Sample | Horizon | Match | Depth | pH_w | pH_CaCl2 | EC | CaCO3_tot | OC_wb | P_HCO3 | PRI | K_HCO3 | Al_CaCl2
A | 1 | A | 0-13 | 6.5 | 5.4 | 3 | | 0.27 | 13 | 1.9 | 150 |
B | 2 | A | 13-32 | 7.2 | 6.1 | 4 | | 0.14 | 5 | 2.8 | 110 |
C | 3 | A | 32-50 | 9.5 | 8.4 | 23 | 3 | 0.08 | <2 | 8.2 | >300 |
D | 4 | A | 50-70 | 9.6 | 8.6 | 30 | 2 | 0.16 | <2 | 5.8 | >300 |
E | 5 | A | 70-100 | 9.4 | 8.2 | 21 | <2 | 0.06 | <2 | 4.3 | >300 |
F | 6 | A | 100-128 | 9 | 7.9 | 43 | <2 | 0.09 | <2 | 5.9 | >300 |
G | 7 | A | 128-170 | 8.6 | 7.7 | 110 | <2 | 0.1 | <2 | 5.8 | >300 |
H | 8 | A | 170-195 | 8.1 | 7.6 | 190 | <2 | 0.04 | <2 | 8.8 | >300 |
Z1 | 1 | B | 0-10 | 8.8 | 8.5 | 630 | 3 | 0.28 | 5 | 2.6 | 220 |
Z2 | 1 | B | 0-10 | 6.3 | 5.3 | 9 | | 0.23 | 15 | 2.6 | 130 | <1

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 | 0-13 | | 0.94 (2) | 0.08 (2) | 0.3 (2) | 0.36 (2) | 0.04 (2) | 0.03 (2) | 1.68 (1) | 5 (3) | 2.61 (1) | | 57.93 (2)
B | 2 | A | 13-32 | 3 (1) | 1.11 (1) | 0.21 (1) | 0.28 (1) | 0.52 (1) | | | 2.12 (1) | 7 (2) | 2.13 (1) | 71 (2) | 47.11 (2)
C | 3 | A | 32-50 | 12 (3) | 2.87 (3) | 2.64 (3) | 1.66 (3) | 4.68 (3) | | | 11.85 (1) | 22 (2) | 0.61 (1) | 99 (2) | 42.47 (2)
D | 4 | A | 50-70 | 13 (3) | 2.63 (3) | 3.1 (3) | 1.72 (3) | 4.73 (3) | | | 12.18 (1) | 24 (2) | 0.56 (1) | 94 (2) | 51.61 (2)
E | 5 | A | 70-100 | 13 (3) | 2.09 (3) | 4.28 (3) | 1.96 (3) | 4.9 (3) | | | 13.23 (1) | 33 (2) | 0.43 (1) | 102 (2) | 98.73 (2)
F | 6 | A | 100-128 | 11 (3) | 1.43 (3) | 5.24 (3) | 1.76 (3) | 4.54 (3) | | | 12.97 (1) | 48 (2) | 0.31 (1) | 118 (2) | 51.26 (2)
G | 7 | A | 128-170 | 18 (3) | 1.33 (3) | 7.05 (3) | 2.31 (3) | 5.16 (3) | | | 15.85 (1) | 39 (2) | 0.26 (1) | 88 (2) | 62.65 (2)
H | 8 | A | 170-195 | 16 (3) | 1.41 (3) | 8.85 (3) | 2.04 (3) | 6.07 (3) | | | 18.37 (1) | 55 (2) | 0.23 (1) | 115 (2) | 60.63 (2)
Z1 | 1 | B | 0-10 | 2 (3) | 1.03 (3) | 0.64 (3) | 0.41 (3) | 1.51 (3) | | | 3.59 (1) | 32 (2) | 0.68 (1) | 180 (2) | 94.47 (2)
Z2 | 1 | B | 0-10 | | 0.85 (2) | 0.06 (2) | 0.3 (2) | 0.32 (2) | 0.04 (2) | 0.04 (2) | 1.53 (1) | 4 (3) | 2.66 (1) | | 47.81 (2)

Particle Size Analysis

Sample | Horizon | Match | Depth | s1000_2000 | s600_1000u | s300_600u | s180_300u | s150_180u | s106_150u | s75_106u | s20_75u | silt | clay
A | 1 | A | 0-13 | 5.9 | 15.2 | 31.6 | 17.6 | 4.8 | 6.2 | 5.4 | 7.5 | 2.9 | 2.9
B | 2 | A | 13-32 | 8.1 | 14.5 | 27.8 | 17.1 | 4.8 | 6.4 | 5.4 | 8 | 3.5 | 4.5
C | 3 | A | 32-50 | 6.7 | 10.2 | 20.6 | 11.4 | 3.1 | 4.2 | 3.5 | 8.9 | 3.6 | 27.9
D | 4 | A | 50-70 | 7.2 | 12.8 | 21.9 | 10.5 | 2.5 | 3.9 | 3.4 | 9.6 | 4.6 | 23.6
E | 5 | A | 70-100 | 4.7 | 10.8 | 23.1 | 12.9 | 3.4 | 4.9 | 4.9 | 14.6 | 7.5 | 13.4
F | 6 | A | 100-128 | 6.7 | 11.7 | 21.6 | 10.8 | 2.9 | 3.9 | 3.6 | 9.1 | 4.4 | 25.3
G | 7 | A | 128-170 | 7.1 | 11.1 | 21.3 | 11.3 | 2.8 | 3.8 | 3.1 | 10.3 | 3.9 | 25.3
H | 8 | A | 170-195 | 5.3 | 8.7 | 19.1 | 11.1 | 3 | 4 | 3.7 | 10.6 | 4.1 | 30.3
Z1 | 1 | B | 0-10 | 4.5 | 13.3 | 36.2 | 17.6 | 3.7 | 4.8 | 4.1 | 9.4 | 2.7 | 3.8
Z2 | 1 | B | 0-10 | 7.8 | 17.8 | 31.3 | 16.6 | 4.2 | 5.4 | 4.5 | 6.6 | 2.6 | 3.2