EGRS215

Location: Tongi Creek

Australian Soil Classification: Bleached-Mottled, Eutrophic, Brown CHROMOSOL

Map Unit: Murrungowar
Previous Site Name: 215

General Landscape Description: Low hills
Site Description:Upper slope
Land Use: Forestry
Native Vegetation: Lowland forest
Geology: Granite

Soil Profile Morphology:

Surface soil
A1	0 – 40 cm	Dark gray (10YR4/1); sandy loam, weak to moderate subangular blocky structure; firm consistence dry, common subangular gravel; pH 5.5; clear change to:
A2	40 – 80 cm	Brown (10YR5/3), conspicuously bleached (10YR7/2d); gravelly sandy loam; massive; weak consistence, very few ferruginous segregations; many subangular granitic gravel; pH 6.0; clear change to:
Subsoil
B2	80 – 120 cm	Brown (10YR5/3), distinct to prominent yellow, red and grey mottles; sandy clay, moderate subangular blocky structure; very firm consistence, common subangular; pH 5.8; gradual change to:
C	1.2 – 1.6+m	Weathered parent material

Chemical and Physical Analysis:

Horizon	Horizon Depth (cm)	pH (water)	pH (CaCl₂)	EC dS/m	Organic Carbon %	Total Nitrogen %	Exchangeable Acididty meq/100g	Exchangeable Cations
								Ca	Mg	K	Na
								meq/100g
A1	0-40	5.5	4.5	<0.05	1.13	<0.01	7.7	0.91	0.81	0.20	0.10
A2	40-80	6.0	4.8	<0.05	0.35	<0.01	3.5	0.50	0.50	0.10	0.10
B2	80-120	5.8	4.4	<0.05	0.27	<0.01	8.3	2.17	5.68	0.21	0.62

Profile Described By: David Rees, 1989.

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