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Sediments and Sedimentary Rocks
Published in Dexter Perkins, Kevin R. Henke, Adam C. Simon, Lance D. Yarbrough, Earth Materials, 2019
Dexter Perkins, Kevin R. Henke, Adam C. Simon, Lance D. Yarbrough
Kettle lakes, also called kettle holes, are common in outwash plains. Figure 8.37 shows a kettle lake in the Isunngua region of central-western Greenland. Such lakes form when glacial drift buries a block of ice. When the ice melts, it leaves a depression that collects fine sediments and often water, producing a small lake with a silty bottom. Kettle lakes can remain long after a glacier is gone. The Prairie Pothole Region, an area of the Great Plains extending from Iowa and Minnesota through the Dakotas and into Saskatchewan and Alberta, once contained thousands of potholes. The small, round pothole lakes originated as kettle lakes at the end of the last major period of continental glaciation, about 10,000 years ago. But today, in many parts of the Great Plains, the vast majority of potholes have been drained and filled for agriculture.
Sulphide Ores
Published in Earle A. Ripley, E. Robert Redmann, Adèle A. Crowder, Tara C. Ariano, Catherine A. Corrigan, Robert J. Farmer, L. Moira Jackson, Environmental Effects of Mining, 2018
A. Ripley Earle, Robert E. Redmann, Adèle A. Crowder, Tara C. Ariano, Catherine A. Corrigan, Robert J. Farmer, Earle A. Ripley, E. Robert Redmann, Adèle A. Crowder, Tara C. Ariano, Catherine A. Corrigan, Robert J. Farmer, L. Moira Jackson
Use of the “porous envelope effect” is being tested by Falconbridge at their Fault Lake tailings area in the Sudbury area. The tailings have been deposited in a kettle lake surrounded by glacial outwash sand and gravel, which is very much more permeable to water flow than the tailings themselves. Groundwater flows around the tailings, rather than through them, minimizing metal leaching from the tailings (St-Arnaud et al. 1994).
Natural controls on phosphorus concentrations in small Lakes in Central Alberta, Canada
Published in Canadian Water Resources Journal / Revue canadienne des ressources hydriques, 2023
Konstantin von Gunten, David Trew, Brian Smerdon, Daniel S. Alessi
Much of the Canadian prairies is a post-glacial landscape having various deposits of glacial sediments that influence the chemistry of groundwater and lakes (e.g. Riera et al. 2000; Winter 2001). Within the central region of Alberta, Canada, numerous small lakes are found on the hummocky terrain of Parkland County (Figure 1), many of which are kettle lakes. There are approximately 26 named lakes and 70 unnamed lakes in this area. Decreasing water levels in many of these lakes (Regier and Trew 2016) creates partially or fully isolated basins, which makes the determination of the exact number of lakes challenging. Initial studies in this region focused on the evaluation of sport fishing capability (Miller and Macdonald 1949). Later studies looked at the trophic state and mixing patterns of selected lakes, such as Sauer, Hubbles and Gerharts lakes (Prepas and Trew 1983; Babin 1984; Babin and Prepas 1985; Murtaugh 1985) and recent reports were created to assess the state of lake watersheds (Logan, Trew, and Mussell 2016; Regier and Trew 2016; Gordy et al. 2018) as a step toward better management.