Profile Number 4

Laboratory number:	0987	Profile Description
Site number:	1035	0₁	30 - 20 cm	Black (10YR 2/1) fibrous fine sandy loam; apedal; earthy fabric; slightly plastic when wet; common mica; pH 4.5; gradual boundary
Classification:	Northcote (1979) - Uc5.21 Stace et al. (1972) - Alpine Humus Soil - Acid Peat Intergrade	0₂	20 - 0 cm	Very dark brown (10YR 2/2) organic fine sandy loam becoming coarse sandy loam at depth; apedal; earthy fabric; slightly plastic when wet; common mica; pH 5.0; clear boundary
Location:	Matlock 8122, grid ref. 384126 0.4 km E of Mount Saint Phillack	B₂	0 - 20 cm	Dark yellowish brown (10YR 3/4) loamy coarse sand; apedal; earthy fabric; slightly plastic when wet; abundant feldspar and mica; pH 5.5; abrupt boundary
Land system, component:	Baw Baw, 3	C₁	20 - 60 cm	Pale brown (10YR 6/3) loamy coarse sand; apedal; earthy fabric; slightly plastic when wet; abundant feldspar and mica; pH 5.8; gradual boundary
Topography:	5% slope facing S on colluvial apron	C₂	60 - 90 cm	Light brownish grey (10YR 6/2) loamy coarse sand; apedal; earthy fabric; non-sticky when wet; abundant feldspar and mica; pH 5.8
Elevation:	1420 m
Drainage:	Poor
Parent material:	Colluvium from Devonian granodiorite
Vegetation:	Open heathland with Richea continentis, Epacris paludosa, Poa sp. and Danthonia sp.
Remarks:	20% surface rock. Almost entire profile saturated at time of sampling (April)

LABORATORY ANALYSES 987
Horizon	Sample Depth cm	Lab. texture	Particle size distribution					Atterberg limits				1:5 soil water suspension			Clay mineralogy by x-ray diffraction
Horizon	Sample Depth cm	Lab. texture	Gravel %	Coarse sand % f.e.	fine sand % f.e.	Silt % f.e.	Clay % f.e.	liquid limit %	plastic limit %	plasticity index %	linear shrinkage %	pH	EC 25°C uS/cm	Cl- %	Depth cm	Composition %
01	30 - 20	SL	4	33	15	6	18					4.6	250	0.024
02	20 - 0	LS	26	56	28	5	7					4.9	29	0.002
B2	0 - 20	LS	18	64	23	5	7					5.0	21	0.002
Cl	20 - 30	SL	5	55	20	8	15					5.0	19	0.002
C2	60 - 90	SL	7	57	21	8	10					5.1	21	0.001

Horizon	Sample Depth cm	Org. C %	Total N %	1.3C N	Free Fe₂O₃ %	Available		HCl extract		Exchangeable cations
						P ppm	K ppm	P %	K %	Ca	Mg	K	Na	CEC	Ca % of CEC	Mg	K	Na	H
						P ppm	K ppm	P %	K %	Milliequivalents/100g				CEC	Ca % of CEC	Mg	K	Na	H
01	30 - 20	15.2	0.70	28		31	340	0.032	0.14	0.2	0.3	0.9	0.8	46.4	<1	1	2	2	95
02	20 - 0	3.0	0.15	26		11	50	0.019	0.16	0.06	0.06	0.1	0.02	24.2	<1	<1	<1	<1	99
B2	0 - 20					16	40	0.033	0.26	0.07	0.07	0.1	0.01	28.1	<1	<1	<1	<1	99
Cl	20 - 30									0.06	0.03	0.06	<0.01	20.5	<1	<1	<1	<1	99
C2	60 - 90									0.04	<0.01	0.08	<0.01	21.0	<1	<1	<1	<1	99

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