A Review of Geochemical Data Related to the Northwest European Gas Province

Abstract
Summary: The Northwest European Gas Province has a long and complex history of episodes of subsidence, uplift, salt intrusion and vulcanicity; the province contains large reserves of gas, produced principally from Permian sandstones and generally believed to have been sourced from the Late Carboniferous Coal Measures. Gas generation has occurred when periods of burial from the Triassic onwards have caused vitrinite reflectivity of coal-bearing sediments to exceed 1% and the composition of the gas is shown to be related to the degree of maturity of the source rocks. A reconstruction of the subsidence history of the Cleveland Basin illustrates the development of maturation in the underlying Carboniferous section and is used to extrapolate the recent history of the Cleveland and Sole Pit Basins.

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