Project Name:	Soil Studies in the Lower Namoi Valley
	Project Code:	EDGEROI	Site ID:	bu002	Observation ID:	1
	Agency Name:	CSIRO Division of Soils (QLD)
	Site Information
	Desc. By:	W.T. Ward	Locality:	Stock route, near Spring Plain
	Date Desc.:	17/02/89	Elevation:	176 metres
	Map Ref.:	Sheet No. : 8738_S   1:50000	Rainfall:	No Data
	Northing/Long.:	6684500 AMG zone: 55	Runoff:	No Data
	Easting/Lat.:	723800  Datum: AGD66	Drainage:	No Data
	Geology
	ExposureType:	Undisturbed soil core	Conf. Sub. is Parent. Mat.:	No Data
	Geol. Ref.:	No Data	Substrate Material:	No Data
	Land Form
	Rel/Slope Class: 	No Data	Pattern Type:	No Data
	Morph. Type:	No Data	Relief:	No Data
	Elem. Type:	Terrace plain	Slope Category:	Level
	Slope:	0 % 	Aspect:	No Data
	Surface Soil Condition (dry):	Soft
	Erosion:
	Soil Classification
	Australian Soil Classification:	Mapping Unit:	N/A
	 N/A    	Principal Profile Form:	N/A
	ASC Confidence:	Great Soil Group:	Grey clay
	Confidence level not specified
	Site Disturbance:	Complete clearing. Pasture, native or improved, cultivated at some stage
	Vegetation:
	Surface Coarse Fragments:
	Profile Morphology
	A11	0 - 0.1 m	Very dark greyish brown (10YR3/2-Moist); Dark greyish brown (10YR4/2-Dry); ; Light clay; 
	Moderate grade of structure, 20-50 mm, Subangular blocky; Strong grade of structure, 5-10 
	mm, Subangular blocky; Smooth-ped fabric; Fine, (0 - 5) mm crack; Common (1-5 per 100mm2) 
	Very fine (0.075-1mm) macropores, Moderately moist; Firm consistence; Field pH 6 (pH meter); 
	Common, very fine (0-1mm) roots; 
	A12	0.1 - 0.25 m	Very dark greyish brown (10YR3/2-Moist); ; Light clay; Moderate grade of structure, 20-50 mm,
	 Subangular blocky; Smooth-ped fabric; Fine, (0 - 5) mm crack; Few (<1 per 100mm2) Very fine 
	(0.075-1mm) macropores, Moderately moist; Firm consistence; Field pH 8 (pH meter); Few, very
	 fine (0-1mm) roots; 
	A13	0.25 - 0.55 m	Very dark greyish brown (10YR3/2-Moist); ; Light clay; Moderate grade of structure, 20-50 mm,
	 Subangular blocky; Smooth-ped fabric; Fine, (0 - 5) mm crack; Few (<1 per 100mm2) Very fine 
	(0.075-1mm) macropores, Moderately moist; Very firm consistence; Very few (0 - 2 %), 
	Calcareous, Fine (0 - 2 mm), Nodules; Field pH 8.8 (pH meter); Few, very fine (0-1mm) roots; 
	A14	0.55 - 0.95 m	Dark brown (10YR3/3-Moist); ; Light clay; Moderate grade of structure, 50-100 mm, Lenticular; 
	Moderate grade of structure, 20-50 mm, Subangular blocky; Smooth-ped fabric; Fine, (0 - 5) mm
	 crack; Few (<1 per 100mm2) Very fine (0.075-1mm) macropores, Moderately moist; Strong 
	consistence; Very few (0 - 2 %), Calcareous, Medium (2 -6 mm), Nodules; Field pH 8.8 (pH 
	meter); Few, very fine (0-1mm) roots; Diffuse, Smooth change to - 
	B21	0.95 - 1.9 m	Brown (7.5YR4/4-Moist); , 10YR32, 2-10% , 5-15mm, Distinct; Light medium clay; Weak grade 
	of structure, 50-100 mm, Lenticular; Weak grade of structure, 20-50 mm, Subangular blocky; 
	Smooth-ped fabric; Fine, (0 - 5) mm crack; Few (<1 per 100mm2) Very fine (0.075-1mm) 
	macropores, Moderately moist; Very strong consistence; Very few (0 - 2 %), Calcareous, 
	Medium (2 -6 mm), Nodules; Very few (0 - 2 %), Gypseous, Fine (0 - 2 mm), Crystals; Field pH 
	8.8 (pH meter); 
	B22	1.9 - 3.33 m	Brown (7.5YR4/4-Moist); , 10YR32, 0-2% , 5-15mm, Distinct; Light medium clay; Moderate grade
	 of structure, 50-100 mm, Lenticular; Weak grade of structure, 10-20 mm, Subangular blocky; 
	Smooth-ped fabric; Fine, (0 - 5) mm crack; Few (<1 per 100mm2) Very fine (0.075-1mm) 
	macropores, Moderately moist; Very strong consistence; Very few (0 - 2 %), Calcareous, Fine 
	(0 - 2 mm), Nodules; Field pH 8.8 (pH meter); 
	Morphological Notes
	A11	No slicks above 50cm. Nests of gypsum crystals occur at 110cm, less commonly in 120-
	130cm sample. Similar to Bingara pits but possibly browner at depth. Perhaps there is a 

	Project Name:	Soil Studies in the Lower Namoi Valley
	Project Code:	EDGEROI	Site ID:	bu002	Observation ID:	1
	Agency Name:	CSIRO Division of Soils (QLD)
	high aeolian component. Greyer colours (10YR5/3, brown) appear gradu
	A12	ally at 320cm, suggesting drainage impedance.
	Observation Notes
	Parent Rock: alluvial sediment, clay,  parna on third fan, Namoi
	Site Notes
	Site is between an old road and new diversion, Spring Plain. Moist surface hides cracks. 50m west of water bore 25247. Core 
	is like 001 except that it is pale brown, and the deep carbonate nodules are not so large. Is it better drained, or 

	Project Name:	Soil Studies in the Lower Namoi Valley
	Project Code:	EDGEROI	Site ID:	bu002	Observation ID:	1
	Agency Name:	CSIRO Division of Soils (QLD)
	Laboratory Test Results:
	Depth	pH	1:5 EC	Exchangeable Cations 	Exchangeable	CEC	ECEC	ESP
	Ca	Mg	K	Na	Acidity
	 m	 dS/m	Cmol (+)/kg 	%
	0 - 0.1	6.7A	0.21A	19.42B	13.89	2.14	1.04
	0.1 - 0.2	8.38A	0.154A	25.05B	15.32	0.57	2.42
	0.3 - 0.4	9.01A	0.276A	22.23B	17.57	0.45	7.43
	0.7 - 0.8	8.87A	0.728A	17.45B	19.35	0.64	13.29
	1.2 - 1.3	8.44A	1.222A	14.32B	18.85	0.69	11.68
	2.5 - 2.6	9.02A	0.66A	13.64B	20.28	0.7	12.9
	Depth	CaCO3	Organic	Avail.	Total	Total	Total	Bulk 	Particle  Size  Analysis
	C	P	P	N	K	Density	GV	CS	FS	Silt	Clay
	 m	%	%	 mg/kg	%	%	%	 Mg/m3	%
	0 - 0.1	<0.1B	1.74C	16.2J	19.8	52.7
	0.1 - 0.2	0.3B	0.71C	4.2J	18.7	59.6
	0.3 - 0.4	1.1B	0.53C	<1J	19.7	60.4
	0.7 - 0.8	1.4B	0.48C	5.2J	20.1	58.5
	1.2 - 1.3	0.7B	0.2C	17.4J	24.6	56.2
	2.5 - 2.6	0.4B	0.13C	13.4J	21.1	62.2
	Depth	COLE	Gravimetric/Volumetric Water Contents	K sat	K unsat
	Sat.	0.05 Bar	0.1 Bar	0.5 Bar	1 Bar	5 Bar	15 Bar
	 m	g/g -  m3/m3	mm/h	mm/h
	0 - 0.1
	0.1 - 0.2
	0.3 - 0.4
	0.7 - 0.8
	1.2 - 1.3
	2.5 - 2.6

	Project Name:	Soil Studies in the Lower Namoi Valley
	Project Code:	EDGEROI	Site ID:	bu002	Observation ID:	1
	Agency Name:	CSIRO Division of Soils (QLD)
	Laboratory Analyses Completed for this profile
	15A2_CA	Exchangeable bases (Ca2+,Mg2+,Na+,K+) - 1M ammonium chloride at pH 7.0, pretreatment for 
	soluble salts
	15A2_K	Exchangeable bases- 1M ammonium chloride at pH 7.0, pretreatment for soluble salts
	15A2_MG	Exchangeable bases- 1M ammonium chloride at pH 7.0, pretreatment for soluble salts
	15A2_NA	Exchangeable bases- 1M ammonium chloride at pH 7.0, pretreatment for soluble salts
	19B1	Carbonates - manometric
	3A1	EC of 1:5 soil/water extract
	4A1	pH of 1:5 soil/water suspension
	5A2	Chloride - 1:5 soil/water extract, automated colour
	6B3	Total organic carbon - high frequency induction furnace, infrared
	7B1	Water soluble nitrate - automated colour
	9B1	Bicarbonate-extractable phosphorus - manual colour
	P10_CF_C	Clay (%) - Coventry and Fett pipette method
	P10_CF_Z	Silt (%) - Coventry and Fett pipette method