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Table 5 Representative shear-wave velocity of bedrock and surficial sediments (after Nastev et al. 2016; Foulon et al. 2018)

From: Seismic microzonation of a region with complex surficial geology based on different site classification approaches

Location

Geological unit

Average shear-wave velocity of measurements (m/s)

Velocity-depth relationship

Remarks

Saguenay region

Sandy soils

80 ~ 260

Vs = 40.9 + 53.7Z0.5 ± 29.8 m/s

Postglacial deposits

 

Clayey soils

80 ~ 250

Vs = 79.3 + 17.3Z0.5 ± 45.3 m/s

Glaciomarine clay

Ottawa and St. Lawrence Valley

Till

400 ± 152

Glacial deposits

 

Bedrock

2500 ± 700

Precambrian rocks