Agency Code: 501 Project Code: REF Site Code: MRA05
Described by: Unknown Date: //

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

Location: MGA94 Zone: 50  400779 mE  6645270 mN Elevation (m): 100  
Location notes: 7 km west of Watheroo township. In Watheroo National Park, along Watheroo Road. 1.0 km west of eastern boundarya of park. 50 m south of Watheroo Road.
Site notes: Landform/topography: gently undulating sandplain; Drainage: external - nil.

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

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: 
Physical properties: rapid profile permeability

Geology/parent material
Soil parent material:
Sand derived from breakdown of Cretaceous sandstones.

Species List
Tree: Banksia prionotes
Medium Shrubs: Baeckea sp., Banksia attenuata, Calothamnus sp., Conothamnus sp., Daviesia sp., Grevillea eriostachya, Melaleuca sp., Stirlingia latifolia, Synaphea polymorpha
Ground: Calectasia cyanea, Cassytha sp., Drosera sp., Leptocarpus sp., Lyginia sp., Mesomelaena stygia

Current Classification
WA Soil Group: (1999) Brown deep sand
Australian Soil Classification: (2002) Basic Arenic Bleached-Orthic Tenosol, A thickness thick, A gravels non-gravelly, A texture sandy, B texture sandy, Soil Depth deep
ASC confidence: very high
Map Unit: 222Ag_5a

Other Classifications
World Ref Base: (1998)  Albic  Arenosol
FAO soil unit:  Cambic Arenosol
Great Soil Group:  Siliceous sand
Northcote PPF: Uc4.21

Soil Profile Description

Horizon	Depth (cm)	Description	
A11	0-10	Dark greyish brown (10YR 4/2 moist) sand; loose consistence; apedal, single grain structure; 2% quartz fine gravel sized coarse fragments; clear boundary.	
A12	10-20	Brown (10YR 5/3 moist) sand; loose consistence; apedal, single grain structure; 1% quartz fine gravel sized coarse fragments; gradual boundary.	
A2	20-35	Pale brown (10YR 6/3 moist) sand; loose consistence; apedal, single grain structure; clear boundary.	
B11	35-60	Yellow (10YR 7/6 moist) sand; loose consistence; apedal, single grain structure; gradual boundary.	
B12	60-110	Yellow (10YR 7/8 moist) sand; loose consistence; apedal, single grain structure.	

Lab Results (501 REF MRA05)

Basic Chemistry

Sample	Horizon	Match	Depth	pH_w	pH_CaCl2	EC	OC_wb	N_kjel	P_kjel	P_HCO3	K_HCO3	
A	1	A	0-10	5.6	4.5	2	0.41	0.01	9	<2	15	
B	2	A	10-20	5.6	4.6	2	0.24	0.01	9	<2	<10	
C	3	A	20-35	5.5	4.9	1	0.13	0.01	8	<2	<10	
D	4	A	35-60	6	5.7	1	0.05	0.01	9	<2	<10	
E	5	A	60-110	6.1	5.6	1	0.05	0.01	9	<2	<10	

Exchangeable Cations

Sample	Horizon	Match	Depth	CEC	Exch_Ca	Exch_Na	Exch_K	Exch_Mg	Sum_Exch	ESP	CaMgR_Exch	Exch_cats%	Base_stat	
A	1	A	0-10	<1	0.4	<0.1	<0.1	0.2	0.7 (1)	7 (3)	2 (1)	140 (2)	70 (2)	
B	2	A	10-20	<1	0.2	<0.1	<0.1	<0.1	0.35 (1)	14 (3)	4 (1)	70 (2)	35 (2)	
C	3	A	20-35	<1	<0.1	<0.1	<0.1	<0.1	0.2 (1)	25 (3)	1 (1)	40 (2)	20 (2)	
D	4	A	35-60	<1	<0.1	<0.1	<0.1	<0.1	0.2 (1)	25 (3)	1 (1)	40 (2)	20 (2)	
E	5	A	60-110	<1	<0.1	<0.1	<0.1	<0.1	0.2 (1)	25 (3)	1 (1)	40 (2)	20 (2)	

Particle Size Analysis

Sample	Horizon	Match	Depth	s200_2000u	sand	s20_200u	silt	clay	
A	1	A	0-10	92	98 (2)	7	1	1	
B	2	A	10-20	82	98 (2)	17	1	1	
C	3	A	20-35	78	98 (2)	21	1	1	
D	4	A	35-60	83	98 (2)	16	1	1	
E	5	A	60-110	77	98 (2)	22	1	1