Line - WikipediaLine is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3). .. area with large quantities of line is the island of Gotland, Sweden.different types of line in sweden,Bedrock -MarkInfoMar 17, 2006 . The oldest bedrock in Sweden - the crystalline basement . After they were formed the different rock types have been exposed to weathering and .. The rocks characterising this area are line, shale, and sandstone.
different types of line in sweden