Agency Code: 501 Project Code: P Site Code: 0336
Described by: W Macarthur Date: 01/04/1957

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

Location: MGA94 Zone: 50  396495 mE  6421444 mN Elevation (m): 8  Map sheet:  Fremantle 100K
Location notes: location 16 - 60 chains north of north west corner of location 813:L.D. Sheet 341/80:
Site notes: 25-51cm many worm casts:appears to buried profile beneath b/zc
Disturbance: Complete clearing; never cultivated.

Landform
Landform pattern: alluvial plain
Relief/modal slope:
Landform element: plain
Morphological type:
Pattern Relief:  alluvial plain

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: 

Geology/parent material
Soil parent material: unconsolidated material (unidentified)
Riverine Alluvium

Vegetation
Notes: Very good grazing country

Land use
Surrounds: Grazing (grazing of vegetation planted by man).

Current Classification
WA Soil Group: (1999) Yellow/brown shallow loamy duplex
Soil Series: Unnamed B/ SiCL
Map Unit: 212Bs__B2

Other Classifications
Great Soil Group:  Alluvial soil

Soil Profile Description

Horizon	Depth (cm)	Description	
A11	0-5	Greyish brown (10YR 5/2 moist) silty clay loam; clear, smooth boundary.	
A12	5-20	Brown (10YR 5/3 moist) silty loam.	
AB	20-25	Notes: discarded.	
B21	25-51	Brown (10YR 4/3 moist) silty clay; yellowish brown (10YR 5/6 moist)  mottles and greyish brown (10YR 5/2 moist)  mottles; few unidentified concretions.	
B22	51-107	Brown (10YR 4/3 moist) sandy clay; yellowish brown (10YR 5/6 moist)  mottles and dark greyish brown (10YR 4/2 moist)  mottles; massive structure.	
C	107-152	Light grey (10YR 7/1 moist) fine sandy loam; yellowish brown (10YR 5/6 moist)  mottles.	

Lab Results (501 P 0336)

Basic Chemistry

Sample	Horizon	Match	Depth	pH_w	EC	Cl_sol	LOI	N_kjel	P_HCl	
1	1	A	0-5	5.5	18.8	144	19.3	0.574	770	
2	2	A	5-20	6.1	4.8	36	14.5	0.332	460	
3	3	A	25-51	6.3	4.8	36	10.1			
4	4	A	51-107	6.3	6.5	72	7.3		320	
5	5	A	107-152	6	14.9	108	3.1		60	

Exchangeable Cations

Sample	Horizon	Match	Depth	Exch_Ca	Exch_Na	Exch_K	Exch_Mg	Exch_ac	Exch_H	Sum_Exch	ESP	CaMgR_Exch	Base_stat	
1	1	A	0-5	3.3	0.28	0.31	2.3	38	38	6.19 (1)	5 (3)	1.43 (1)	88.43 (2)	
2	2	A	5-20	2.7	0.46	0.09	2.9	33	33	6.15 (1)	7 (3)	0.93 (1)	102.5 (2)	

Particle Size Analysis

Sample	Horizon	Match	Depth	s200_2000u	s20_200u	silt	clay	
1	1	A	0-5	5	42	29	7	
2	2	A	5-20	6	46	40	6	
4	4	A	51-107	10	36	18	34