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Trafalgar Moraine

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Title: Trafalgar Moraine  
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Subject: Moraines of Ontario, Trafalgar, Terminal moraine
Publisher: World Heritage Encyclopedia

Trafalgar Moraine

The Trafalgar Moraine is a geological landform straddling Oakville and Milton in Ontario, Canada. A small portion of the moraine extends into Burlington at Milton's southern border. It is a subtler topological feature than the better-known Oak Ridges Moraine, primarily because it was formed as an end moraine at the terminus of a glacial ice sheet, instead of between two retreating ice lobes (known as interlobate). The ice sheet pushed material to form the ridge, which is composed of Halton Till sediment, rich in silt and clay. By contrast, the Oak Ridges Moraine is primarily sand and gravel. The ridge was probably formed during a pause in the retreat of the ice sheet. The moraine covers an area of 892.5 hectares of primarily private land, though a small portion is public.


  • Geology 1
  • Watershed 2
  • Development 3
  • See also 4
  • References 5
  • External links 6


The Trafalgar Moraine is approximately 20 km long, 30 m high and 4 km wide, extending from the Niagara Escarpment north of Nelson to Streetsville in an east-northeast trend; at the Oakville boundary, the trend shifts northeast.

The moraine has impacted the flow of the eastern branch of the 16 Mile Creek.[1]

This moraine contains the headwaters for six creeks in Oakville. It is home to 496 plant species, 10 fish species, and 220 animal species, of which 168 are birds, 34 are mammals, and 18 are amphibians.


The moraine is 27 km long and 4 km wide with a number of small rivers and streams are located within the moraine:[2]

  • 16 Mile Creek
  • 14 Mile Creek
  • McCraney Creek
  • Joshua Creek


Development on the moraine has been limited to regions in Mississauga, and the construction of Highway 407.[1]

See also


  1. ^ a b "Candidate Trafalgar Moraine: Earth Science Area of Natural and Scientific Interest" (PDF). Town of  
  2. ^ Nick Eyles, Carolyn Eyles, John Menzies, Jon Boyce (22 June 2010). "End moraine construction by incremental till deposition below the Laurentide Ice Sheet: Southern Ontario, Canada". Boreas (The Boreas Collegium) 40: 92–104.  

External links

  • Trafalgar Moraine

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