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Interlake Formation

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The Interlake Formation is a stratigraphical unit of Silurian age in the Western Canadian Sedimentary Basin .

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6-619: It takes the name from the Interlake Region in Manitoba, and was first described in outcrop by A.D. Baillie in 1951. The Interlake Formation is composed of very finely crystalline dolomite . Oolitic , stromatolitic and biohermal interbeds also occur. The Interlake Formation is present throughout the Williston Basin . It reaches a maximum thickness of 335 metres (1,100 ft) in the subsurface of North Dakota , and

12-567: Is the town of Stonewall. Argyle, Manitoba , is the small hamlet that is located on the Principal Meridian of Canada , near the middle of the Interlake Region. Sandy Hook is located between Winnipeg Beach and Gimli , a popular summer vacation spot. The Interlake Region geographically is a low lying glacial lake basin that is poorly drained. The area is clearly defined on the west by the shores of Lake Manitoba and on

18-562: Is typically up to 110 metres (360 ft) thick in outcrop in its type locality. The Interlake Formation is overlain with an angular unconformably by the Ashern Formation and sharply overlays the Stonewall Formation . In the sub-surface it is given group status and contains, in different regions, the following subdivisions: Interlake Region The Interlake Region is an informal geographic region of

24-577: The Canadian province of Manitoba that lies roughly between Lake Winnipeg and Lake Manitoba in the Canadian province of Manitoba . The region comprises 14 rural municipalities , one city (the City of Selkirk ), five towns ( Arborg , Riverton , Stonewall , Teulon and Winnipeg Beach ) ,and one village ( Dunnottar ). The largest population centre in the region is Selkirk, and the second largest

30-518: The eastern edge by Lake Winnipeg . The northern and southern boundaries are less clearly defined geographically. The geography of the region is mostly composed of sandy beaches, wetlands, lakes, bogs, marshlands, agricultural fields, glacial till , rocky shorelines, and oak, aspen, and eastern cedar forests. The topography is mostly level and poorly drained, swamps exist in all portions of the region. The soils are mostly shallow and mixed with lime and thus mostly infertile. Agricultural areas do thrive in

36-702: The regions surrounding the Icelandic River basin in the north around Arborg and Riverton, as well as in the area east of Teulon and close to Gimli . The climate of the area is moderated by the lakes and overall is slightly cooler than the weather found in Winnipeg and southern Manitoba. The Interlake Economic Region is made of three subdivisions according to Statistics Canada which includes Divisions No. 13, No. 14, and No. 18. 50°50′N 97°40′W  /  50.833°N 97.667°W  / 50.833; -97.667 This Manitoba location article

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