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Siljan Ring impact

View on map:61.040000°N 14.920000°E

Description


Siljan Ring

The Siljan Ring (Swedish: Siljansringen) is a prehistoric impact crater in Dalarna, central Sweden. It is one of the 18 largest known impact craters on Earth and the largest in Europe, with a diameter of about 52 km (32 mi). The impact that created the Siljan Ring occurred when a meteorite collided with the Earth's surface during the Devonian period, about 377 million years ago.[2] The effects of the impact can clearly be seen in the bedrock in the area. The Cambrian, Ordovician and Silurian sedimentary rocks deformed by the impact are rich in fossils.

References

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