The London Basin is an elongated, roughly triangular sedimentary basin approximately 250 kilometres (160 mi) long which underlies London and a large area of south east England, south eastern East Anglia and the adjacent North Sea. The basin formed as a result of extensional tectonics related to the Alpine orogeny during the Palaeogene period and was mainly active between 60 and 40 million years ago.
Read more about London Basin: Tectonic History, Sedimentary Infill and Stratigraphy
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“I suggested a doubt, that if I were to reside in London, the exquisite zest with which I relished it in occasional visits might go off, and I might grow tired of it. JOHNSON. “ ... No, Sir, when a man is tired of London, he is tired of life; for there is in London all that life can afford.””
—Samuel Johnson (1709–1784)