00000nam 2200000za 4500 9.819738 CaOODSP 20251031142446 cr ||||||||||| 160620s2015 onc|||||o f|0| 0 eng d CaOODSP eng n-cn--- M183-2/7681E-PDF Bednarski, Jan M. Surficial geology and Pleistocene stratigraphy from Deep Bay to Nanoose Harbour, Vancouver Island, British Columbia [electronic resource] / [by] J.M. Bednarski. Ottawa : Natural Resources Canada, 2015. [46] p. : graphs, figures, maps. Open file (Geological Survey of Canada) ; 7681 Includes bibliograhic references. A detailed study of the surficial geology of the east coast of Vancouver Island from Deep Bay to Nanoose Harbour, British Columbia was undertaken as part of the Nanaimo Lowland Ground Water Assessment Project. This paper describes the results of the study and introduces a surficial geology map incorporating the Pleistocene stratigraphy derived from new seismic reflection surveys, boreholes and existing water well data. The unconsolidated sediment cover is greater than 100 m thick in places with most deposits derived from two previous glaciations that are separated by non-glacial fluvial and marine sediments. Major sedimentation also occurred in the valleys immediately after the last glaciation, a time of rapidly falling sea level and abundant meltwater. Modern alluvium is confined to the lower reaches of the larger rivers. gccst Geophysics gccst Surficial geology gccst Geomorphology Canada. Natural Resources Canada. Geological Survey of Canada. Open file (Geological Survey of Canada) 7681 (CaOODSP)9.506878 PDF 49.41 MB https://publications.gc.ca/collections/collection_2016/rncan-nrcan/M183-2-7681-eng.pdf PDF 3.26 MB https://publications.gc.ca/collections/collection_2016/rncan-nrcan/M183-2-7681-1-eng.pdf PDF 6.94 MB https://publications.gc.ca/collections/collection_2016/rncan-nrcan/M183-2-7681-2-eng.pdf