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Table 6 Contribution of the different geologic units to the NBCC site classes

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

Site class % of total area Bedrock (%) Till (%) Glaciofluvial sediments (%) Clay (%) Sand and gravel (%) Total (%)
A 38.2 97.5 2.5 0.0 0.0 0.0 100.0
B 16.0 86.4 11.0 0.0 1.4 1.1 100.0
C 20.4 76.3 7.4 0.4 8.4 7.5 100.0
D 15.3 39.7 8.6 3.6 28.2 20.0 100.0
E 10.1 2.4 3.5 2.2 69.9 21.9 100.0