Agency Code: 501 Project Code: PRP Site Code: 0751
Described by: Andrew Mitchell Date: 26/08/1997

Observation type: auger boring Category: full description

Location: MGA94 Zone: 50  700037 mE  7711611 mN Map sheet:  Port Hedland 250K
Location notes: 
Site notes: Slope previously codes as 10.

Landform
Landform pattern:	Slope:  1 %
Relief/modal slope:
Landform element:
Morphological type:
Pattern Relief: 	Microrelief: 15 m

Surface and Hydrological Properties
Rock outcrop:  Very slightly rocky.  metamorphic rock (unidentified) 
Surface coarse fragments: 
Mantle:  metamorphic rock (unidentified), 50-90%, 20-60 mm, angular platy
Physical properties: 
Surface Crusting: 0%

Vegetation
Veg unit: HIHG - Hill hard spinifex grassland

Species List
Tall Shrubs: Acacia orthocarpa
Medium Shrubs: Acacia orthocarpa
Low Shrubs: Acacia orthocarpa
Perennial Grasses: Triodia lanigera
Annuals: Aristida contorta, Bulbostylis barbata, Eriachne aristidea, Eriachne pulchella, Euphorbia australis, Gomphrena cunninghamii, Heliotropium heteranthum, Polycarpea holtzei, Polycarpaea sp., Polygala isingii, Salsola tragus
Undescribed: Acacia inaequilatera, Acacia orthocarpa, Aristida holathera var. holathera, Aristida sp., Boerhavia sp., Corchorus parviflorus, Fimbristylis dichotoma, Goodenia sp., Hakea lorea subsp. suberea, Indigofera monophylla, Mollugo molluginis, Paraneurachne muelleri, Ptilotus calostachyus, Sida echinocarpa, Solanum phlomoides, Tephrosia clementii, Triodia lanigera, Triodia pungens, Triodia wiseana

Current Classification
WA Soil Group: (1999) Stony soil
Australian Soil Classification: (2002) Leptic Rudosol, A gravels very gravelly, A texture loamy, Soil Depth very shallow
ASC confidence: moderate
Map Unit: 283Tl

Other Classifications
Northcote PPF: Um5.51

Soil Profile Description

Horizon | Depth (cm) | Description
A11 | 0-1 | Dark reddish brown (2.5YR 3/4 moist) fine sandy loam; very weak dry consistence; earthy fabric; apedal, massive structure; many angular sandstone cobble sized coarse fragments SANDSTONE/SILTSTONE; slow dispersion, slow slaking, non water repellent, non-calcareous; pH 6.8 (1:5 water); EC 2 (mS/m (1:5)); sharp, smooth boundary.
A12 | 1-7 | Dark red (2.5YR 3/6 moist) fine sandy loam; very weak dry consistence; earthy fabric; apedal, massive structure; abundant angular sandstone cobble sized coarse fragments SANDSTONE/SILTSTONE; slow dispersion, rapid slaking, non water repellent, non-calcareous; pH 6.8 (1:5 water); EC 2 (mS/m (1:5)); sharp boundary.
R | 7+ | Notes: SANDSTONE/SILTSTONE.