Quaternary History of Southern Ontario, Volume 1; Volume 11 |
From inside the book
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Page 42
... subglacial till . It is often overlain and underlain by interbedded diamic- tons east of its termination . To the west and northwest , beyond the massive diamicton layer , interbedded diamic- ton layers are its lateral continuation ...
... subglacial till . It is often overlain and underlain by interbedded diamic- tons east of its termination . To the west and northwest , beyond the massive diamicton layer , interbedded diamic- ton layers are its lateral continuation ...
Page 49
... subglacial in its lower part , but waterlain , mainly flow till in its upper part . This till terminates about 1 km to the southwest , where it is merely a flow till and richer in red shale clasts than its subglacial counterpart ...
... subglacial in its lower part , but waterlain , mainly flow till in its upper part . This till terminates about 1 km to the southwest , where it is merely a flow till and richer in red shale clasts than its subglacial counterpart ...
Page 68
... subglacial cavity or tunnel system . As the subglacial cav- ity filled with sediments or as ice flowed plastically into the cavity the glacier made contact with the bed and melted on the undisturbed , accumulated sediments to produce ...
... subglacial cavity or tunnel system . As the subglacial cav- ity filled with sediments or as ice flowed plastically into the cavity the glacier made contact with the bed and melted on the undisturbed , accumulated sediments to produce ...
Common terms and phrases
bedrock beds Bond Head Bowmanville Bradtville Catfish Creek Catfish Creek Drift Champlain Sea channel clasts clayey silt D.R. Sharpe deformation deposits diamicton Dms(r Dreimanis drumlin Dummer Moraine Erie lobe esker exposed facies Feenstra Fenelon Falls Figure Georgian Bay glacial Lake Algonquin glacial Lake Iroquois glacier glaciolacustrine Halton interbedded Interstadial Karrow lacustrine Lake Erie bluffs Lake Huron lake level Lake Ontario laminated Late Wisconsinan layers lenses lower massive metres Middle Wisconsinan Minesing Niagara Escarpment Niagara Falls Niagara River Nipissing Ontario Geological Survey Ottawa overlying P.F. Karrow pebbles Pleistocene Port Stanley Port Talbot proglacial lake Quaternary geology radiocarbon region rhythmites Ridges ripple sandy silt Scarborough Bluffs Scarborough Formation sedimentary sediments sequence shale shoreline features silt and clay silt diamicton silty clay southern Ontario Stop 26 stratified sediments stratigraphy subaqueous subglacial Sunnybrook Terasmae thick tion unit upper valleys varves Δ Δ Δ