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 is comprised of Lake, Porter, LaPorte, Newton and Jasper counties in Indiana. This region neighbors Lake Michigan and is part of the Chicago metropolitan area. Northwest Indiana is the state's second largest urban area after the Indianapolis metropolitan area.