Mora, Sweden Mora, Sweden Mora is a locality and the seat of Mora Municipality in Dalarna County, Sweden, with 10,896 inhabitants in 2010. There are signs of human activity in the surroundings of Mora dating from 4000 BC. The earliest found buildings in Mora are from the 7th century. Some of the buildings can today be found in Mora's open-air museum "Zorns gammelgård" ("Zorn's old homestead"). Mora parish was established in the 13th century. In late 1520, Gustav Vasa stopped in Mora, in order to organize a rebellion against the Danish troops which occupied Sweden. The citizens of Mora first declined to
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