South Wales Coal Measures Group

The South Wales Coal Measures Group is a lithostratigraphical term referring to the coal-bearing succession of rock strata which occur in South Wales within the Westphalian Stage of the Carboniferous Period. The Group name is also applied to rocks of similar age across southern England from the Bristol Coalfield east to the concealed , and Kent Coalfields. In formal use, the term replaces the earlier Coal Measures Group The Group comprises the: * South Wales Upper Coal Measures Formation * South Wales Middle Coal Measures Formation * South Wales Lower Coal Measures Formation

South Wales Coal Measures Group

The South Wales Coal Measures Group is a lithostratigraphical term referring to the coal-bearing succession of rock strata which occur in South Wales within the Westphalian Stage of the Carboniferous Period. The Group name is also applied to rocks of similar age across southern England from the Bristol Coalfield east to the concealed , and Kent Coalfields. In formal use, the term replaces the earlier Coal Measures Group The Group comprises the: * South Wales Upper Coal Measures Formation * South Wales Middle Coal Measures Formation * South Wales Lower Coal Measures Formation