Memoirs of the Geological Survey of Great Britain and of the Museum of Practical Geology

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The oldest rocks shown on the present map belong to the Lower Silurian formation They form the chain of the Lammermuir Hills, and thus are continuous with the great Lower Silurian uplands of the South of Scotland. T...