Coal Measures Group

The Coal Measures Group is a lithostratigraphical term coined to refer to the coal-bearing succession of rock strata which occur in the United Kingdom within the Westphalian Stage of the Carboniferous Period. Other than in Northern Ireland the term is now obsolete in formal use and is replaced by the Pennine Coal Measures Group, Scottish Coal Measures Group and the South Wales Coal Measures Group for the three distinct depositional provinces of the British mainland.

Within the Pennine Basin the Pennine Coal Measures Group is preceded (underlain) by the Millstone Grit Group which is of Namurian age. It is succeeded (overlain) by the Warwickshire Group which comprises a largely non-productive sequence of red beds. It comprises the:

The 'Pennine Basin' includes all of the coalfields of northern England and the English Midlands together with the Canonbie Coalfield of southern Scotland and the coalfields of northeast Wales and Anglesey.

A similar scheme operates in the Midland Valley Basin of Scotland.