Complex sentence: The effects of the impact can clearly be seen in the bedrock in the area and the Cambrian, Ordovician and Silurian sedimentary rocks deformed by the impact are rich in fossils.
Split into simpler sentences: 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.