Siljan Ring Siljan Ring The Siljan Ring () is a prehistoric impact crater in Dalarna, central Sweden. It is one of the 15 largest known impact craters on Earth and the largest in Europe, with a diameter of about . The impact that created the Siljan Ring occurred when a meteorite collided with the Earth's surface during the Devonian period, about 376.8 ± 1.7 Ma. This coincides around the first Devonian extinction, the Kellwasser Event or Late Frasnian extinction at 376.1 Ma ± 1.6 Ma. The effects of the impact can clearly be seen in the bedrock in the area. The Cambrian,
Beni Mora from genuine Arab tunes treated with extraordinary skill, especially in the vivid "finale", in which a number of dance tunes are combined to illustrate a night scene in Biskra." Ralph Vaughan Williams wrote of "Beni Mora", "if it had been played in Paris rather than London it would have given its composer a European reputation, and played in Italy would probably have caused a riot." More recently, the critic Andrew Clements has written of the "proto-minimalist fashion" of the repeated tune in the finale. Beni Mora Beni Mora is a three-movement suite of music in E minor for large orchestra,