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.
Indiana-Location, size, and extent. Situated in the eastern north-central US, Indiana is the smallest of the 12 midwestern states and ranks 38th in size among the 50 states.Indiana's total area is 36,185 sq mi (93,720 sq km), of which land takes up 35,932 (93,064 sq km) and water the remaining 253 sq mi (656 sq km).ndiana is bordered on the N by Michigan (with part of the line passing through Lake Michigan); on the E by Ohio; on the SE and S by Kentucky (the entire line formed by the north bank of the Ohio River); and on the W by Illinois (with the line in the SW demarcated by the Wabash River).