Agency Code: 501 Project Code: PHN Site Code: 0315
Described by: Dennis Van Gool Date: 12/09/1989

Observation type: auger boring Category: 

Location: MGA94 Zone: 50  385879 mE  6428489 mN Map sheet:  Fremantle 100K
Location notes: 
Site notes: Similar to 306, 312 etc, but hit weak limestone pan at 1.02 m. Minor wind erosion from horse trampling along fencelines.
Disturbance: Limited clearing.

Landform
Landform pattern: sand plain	Slope:  1 %
Relief/modal slope:
Landform element: plain
Morphological type: flat
Pattern Relief:  sand plain

Surface and Hydrological Properties
Rock outcrop:   
Surface coarse fragments: no gravel sized; no stones and boulder sized
Physical properties: loose; ; deep soil

Vegetation
Notes: Many large tuarts and extensive Euphorbia terracina weed.

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

Current Classification
WA Soil Group: (1999) Calcareous deep sand
Soil Series: 29
Map Unit: 211Qu__Qf2

Other Classifications
Northcote PPF: Uc1.11

Soil Profile Description

Horizon	Depth (cm)	Description	
A1	0-60	Very dark grey (10YR 3/1 moist) sand; sandy fabric; single grain structure; slow dispersion, highly calcareous; pH 9; diffuse boundary.	
B1	60-95	Light grey (10YR 7/2 moist) sand; sandy fabric; single grain structure; highly calcareous; pH 9; gradual boundary.	
B21	95-102	Light brownish grey (10YR 6/2 moist) sand; sandy fabric; single grain structure; highly calcareous; pH 9.5; notes: slight OM accumulation above pan.; clear boundary.	
B22	102-105+	Very pale brown (10YR 7/3 moist) sand; earthy fabric; massive structure; highly calcareous; weakly cemented, calcrete pan; pH 9.5; notes: Pan is cemented sandy layer which can be crushed with strong finger.