Agency Code: 501 Project Code: NYA Site Code: 0212
Described by: Heather Percy Date: 12/07/1995

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

Location: MGA94 Zone: 50  614186 mE  6256578 mN Elevation (m): 310  Map sheet:  Nyabing 100K
Location notes: Mindarabin Road.
Site notes: Site in cereal crop.
Disturbance: Cultivation, rainfed.

Landform
Landform pattern: alluvial plain	Slope:  0 %
Relief/modal slope: level plain
Landform element: plain
Morphological type: flat
Pattern Relief:  alluvial plain	Microrelief: 5 m

Surface and Hydrological Properties
Rock outcrop: 0 %  
Surface coarse fragments: common subrounded gravel sized smooth-faced ferric gravel; no stones and boulder sized
Physical properties: recently cultivated; ; moderately slow profile permeability; deep soil

Geology/parent material
Soil parent material: unconsolidated material (unidentified)
Colluvium?/alluvium; regional geology mapped as alluvium (Cza).
Geology: unconsolidated material (unidentified)

Vegetation
Type:  grassland; Surrounded by:  grassland
Notes: Mallee with Melaleuca shrub understorey.

Land use
Site: Cropping (may include grazing in rotation). Surrounds: Cropping (may include grazing in rotation).

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

Current Classification
WA Soil Group: (1999) Loamy gravel
Australian Soil Classification: (2002) Ferric Mesotrophic Brown Kandosol
ASC confidence: very high
Soil Series: Cumming 1
Map Unit: 250Tn_1

Other Classifications
Northcote PPF: Dy2.12

Soil Profile Description

Horizon	Depth (cm)	Description	
Acp	0-8	Very dark greyish brown (10YR 3/2 moist) gravelly medium sandy loam; no mottles; very weak moist consistence; apedal, massive structure; no segregations segregations; 20% subrounded ferruginous smooth-faced ferric gravel fine gravel sized coarse fragments and  5% subrounded ferruginous smooth-faced ferric gravel medium gravel sized coarse fragments; moderately rapid permeability; abundant very fine roots; pH 5.5 (Raupach and Tucker); abrupt boundary.	
A3c	8-25	Yellowish brown (10YR 5/4 moist) gravelly medium sandy clay loam; no mottles; weak moist consistence; apedal, massive structure; no segregations segregations; 20% subrounded ferruginous smooth-faced ferric gravel fine gravel sized coarse fragments and  30% subrounded ferruginous smooth-faced ferric gravel medium gravel sized coarse fragments and  20% subrounded smooth-faced ferric gravel coarse gravel sized coarse fragments; moderate permeability; pH 6 (Raupach and Tucker); clear boundary.	
B2c	25-45	Yellowish brown (10YR 5/6 moist) gravelly light clay; no mottles; firm moderately moist consistence; rough-ped fabric; pedal, moderate structure; no segregations segregations; 20% subrounded ferruginous smooth-faced ferric gravel fine gravel sized coarse fragments and  20% subrounded ferruginous smooth-faced ferric gravel medium gravel sized coarse fragments; moderately slow permeability, slow dispersion, slow slaking; pH 7 (Raupach and Tucker); notes: Kaolinitic clay; gradual boundary.	
B31c	45-60	Brownish yellow (10YR 6/6 moist) gravelly clay loam; no mottles; firm consistence; rough-ped fabric; pedal, moderate structure; no segregations segregations; 20% subrounded ferruginous smooth-faced ferric gravel fine gravel sized coarse fragments and  20% subrounded ferruginous smooth-faced ferric gravel medium gravel sized coarse fragments; moderately slow permeability, non-dispersing, slow slaking; pH 7.5 (Raupach and Tucker); notes: Kaolinitic clay; clear boundary.	
B22c	60-70+	Light yellowish brown (10YR 6/4 moist) gravelly clay loam; few medium distinct white (10YR 8/2 moist)  substrate material inclusions; firm dry consistence; rough-ped fabric; pedal, weak structure; no segregations segregations; 15% subrounded ferruginous smooth-faced ferric gravel fine gravel sized coarse fragments and  15% subrounded ferruginous smooth-faced ferric gravel medium gravel sized coarse fragments; moderately slow permeability, non-dispersing, slow slaking; pH 7.5 (Raupach and Tucker); notes: Kaolinitic clay.	

Lab Results (501 NYA 0212)

Basic Chemistry

Sample	Horizon	Match	Depth	pH_w	pH_CaCl2	EC	OC_wb	Al_CIDI	Fe_CIDI	
B	2	A	8-25	6.1	5.1	4	0.82	0.105	0.651	
C	3	A	25-45	7.1	6.3	5	0.24	0.195	1.05	
S	1	C	0-10		4.8					
T	2	B	15-25		5.2					
U	3	B	35-45		6.4					

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	
B	2	A	8-25		2.9 (2)	0.12 (2)	0.3 (2)	1.13 (2)	<0.02 (2)	0.05 (2)	4.45 (1)	3 (3)	2.57 (1)		21.19 (2)	
C	3	A	25-45	6 (1)	2.91 (1)	0.26 (1)	0.18 (1)	2.87 (1)			6.22 (1)	4 (2)	1.01 (1)	104 (2)	13.82 (2)	

Particle Size Analysis

Sample	Horizon	Match	Depth	gt2mm	sand	silt	clay	
B	2	A	8-25	69.35	73.5	5.5	21	
C	3	A	25-45		48.5	6.5	45