Potassium is found extensively as potash (KOH). It is mined in Germany, USA, and elsewhere. Minerals such as sylvite (KCl), carnallite, and langbeinite, are found in ancient lake and sea beds. That as Saskatchewan in Canada contains about 10,000,000,000 tonnes of potassium chloride.
The Geography of Indiana refers to the physical features of the land and relative location of U.S. State of Indiana. Indiana is in the north-central U.S. and borders on Lake Michigan.Surrounding states are Michigan to the north, Illinois to the west, Kentucky to the south, and Ohio to the east.entral Indiana refers to the 33 counties in the middle third of the state. However, many Hoosiers consider Central Indiana as the Indianapolis metropolitan area. The region's dominant city by far is Indianapolis.
Northwest Indiana comprises Lake, Porter, LaPorte, Newton and Jasper counties in Indiana. This region neighbors Lake Michigan and is part of the Chicago metropolitan area.According to the 2010 Census, Northwest Indiana has a population of 819,537 and is the state's second largest urban area after the Indianapolis Metropolitan Area.It is also the home of the Indiana Dunes, parts of which have been preserved through conservation efforts.he Bloomington Ridged Plain covers only the most southern part of Northwest Indiana in the valley of the Iroquois River in southern Newton and Jasper counties. This area consists of low and rolling hills, i.e., moraines like the Iroquois Moraine with less than 300 ft changes in elevation.