Mora clock on two bells mounted above the clock mechanism or alternatively on a spiral wire gong. The weights were made of cast iron. Mora clock Gustavian Mora clocks are a type of longcase clock which were made in, and derived their name from, the town of Mora in Dalarna province, Sweden. Production began in the late 18th century and continued through most of the 19th finally succumbing to the increased competition from newer styles and cheaper mass production methods. Mora clock faces are often marked with the inscription "A A S Mora"—the initials of Krång Anders Andersson (1727-1799) of Östnor, traditionally
Siljan Ring by rocks of the Llandovery series (Lower Silurian). During the last ice age the area was covered by a thick icesheet. The bedrock was sculpted by the ice, with the softer Palaeozoic sedimentary rocks being preferentially eroded. These erosional hollows are now occupied by lakes Siljan, Orsa, Skattungen and Ore. In accordance with theories about abiogenic petroleum (that hydrocarbons can be formed without involving material from dead plants and animals), astrophysicist Thomas Gold suggested that there might be major deposits of oil and natural gas in the area. Drilling was carried out in the late 1980s and early 1990s but