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Table 21: Horizon description: borehole 1

Key
* All depths reported as metres below ground level
14.30m AOD is a mean value, calculated from twelve spot levels taken on the shop floor by YAT in June 1995.

Depth (m)*Horizon description
0.65Access pit excavated below surface of pavement slab
0.97Slightly/moderately moist, slightly sticky black loamy peat material
1.35Slightly/moderately moist, slightly sticky black loamy peaty material with common builders' debris (brick fragments and mortar)
1.40Slightly/moderately moist, slightly sticky black loamy peat material as above, with common fragments of wood
1.55Concentration of hard mortar debris
1.80Very moist, moderately sticky black loamy peat material. Inclusions of leather and wood fragments
2.25Becoming wet, very sticky black loamy peat. Inclusions of builders' debris (brick, limestone or mortar) and wood fragments. Strong foul egg smell
2.30As above, but less moisture and denser horizon
2.80Wet, very sticky black peaty loam. Wood material abundant. Strong foul egg smell
2.95Very moist and moderately sticky black loamy peat. Inclusion of woody material and limestone or mortar. At 3.00m very wet material encountered. Strong foul egg smell
3.15Very moist, moderately sticky black loamy peat, with inclusions of dark brown material (organic matter?). Abundant wood fragments. Strong foul egg smell
3.45Slightly/moderately moist, slightly sticky black loamy peat. Abundant wood fragments. Strong foul egg smell
3.60Slightly/moderately moist, slightly sticky black loamy peat with inclusions of dark brown material (organic matter?). Limestone/mortar fragments and wood common. strong foul egg smell
4.05Slightly/moderately moist, slightly sticky black loamy peat. Abundant wood fragments, builders' debris (brick, mortar) and shell fragments. Strong foul egg smell
End of hole

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