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Moraine may also form by the accumulation of sand and gravel deposits from glacial streams emanating from the ice margin. These fan deposits may coalesce to form a long moraine bank marking the ice margin. [11] Several processes may combine to form and rework a single moraine, and most moraines record a continuum of processes.
Rain and snow melt slowly soak into the moraine, being filtered and purified in its many sand and gravel aquifers. The cool, fresh water is discharged into the headwaters of streams and rivers which eventually flow into Lake Simcoe, Lake Scugog and Lake Ontario. The aquifers are also the water supply for some communities on the Moraine.
The Waterloo Moraine is the largest of fourteen moraines in the Region, spanning approximately 400 square kilometres. [3] It is an interlobate moraine, consisting primarily of sand and gravel. It contains large aquifers, which discharge into the Grand River and its tributaries and maintain a base water flow rate into that system.
The Oak Ridges Moraine probably formed in the Late Wisconsin glacial period. Ice melt from the Niagara Escarpment flowed into the western boundaries of the moraine, wherein conduits beneath the ice expanded to form a west-to-east passage between the main Laurentide Ice Sheet and a mass of ice in the Lake Ontario basin.
PPhysiography of the Valparaiso Moraine. Valparaiso Moraine at Mink Lake, north of Valparaiso, Indiana. The Valparaiso Moraine is a recessional moraine (a landform left by receding glaciers) that forms an immense U around the southern Lake Michigan basin in North America. It is a band of hilly terrain composed of glacial till and sand.
Contents move to sidebar hide (Top) 1 Background. ... Kettle Moraine is a large moraine in the state of Wisconsin, ... Water-filled kettles range in depth from 3 to ...
The Oak Ridges Moraine is a geological landform that runs east-west across south central Ontario, Canada. It developed about 12,000 years ago, during the Wisconsin glaciation in North America . A complex ridge of sedimentary material, the moraine is known to have partially developed under water.
The Packerton Moraine in which Shoe Lake is located belongs to the moraines of the Saginaw lobe of late Wisconsin Substage. It has its origin in northern Carroll County, extends northeastward through Cass, Miami, Fulton, Kosciusko, and Whitley Counties, and terminates about the middle of Noble County.