Complex sentence: The village served the Peckfield Colliery, which served the "superpit" field of Selby, North Yorkshire; and was mined for high volatile bituminous coal in the Westphalian Coal Measures.
Split into simpler sentences: The village served the Peckfield Colliery, which served the "superpit" field of Selby, North Yorkshire. It produced high volatile bituminous coal in the Westphalian Coal Measures.