Mora, Sweden their homes. Most went to Stockholm and southern Sweden where they learnt new craftman skills. Returning to Mora they used their new knowledge to build up new industries. During the end of the 18th century and the 19th, cottage industries of clocks, sewing machines, knives and water taps were important to the economy. Water taps and knives are still thriving industries. Mora is located between the northern shore of lake Siljan and the southern shore of lake Orsasjön where the Österdal River enters Siljan. Mora lies on the west side of Europe's largest meteor impact crater (Siljansringen). The northern part
Siljan Ring an annular outcrop of Lower Paleozoic sedimentary rocks within Proterozoic granites of the Dala series. In Dalarna, the basement rocks consist of granites dated as 1.6 billion years old, putting them at the boundary between the Paleoproterozoic and the Mesoproterozoic. They were emplaced shortly after the Svecokarelian orogeny. The oldest sedimentary rocks that outcrop in the Siljan area are of Ordovician age. The sequence is dominated by limestone formations with one prominent black shale, the Fjäcka Shale, which is bituminous and has generated petroleum, sourcing the oil found in limestone cavities in the same area. The Ordovician sequence is overlain