Principles of Geology
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Principles of Geology: Being an Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes Now in Operation is a book by the Scottish geologist Charles Lyell that was first p
The frontispiece showing the Temple of Serapis was carefully reduced from that given by the Canonico Andrea de Jorio in his Ricerche sul Tempio di Serapide, in Puzzuoli. Napoli, 1820, which was based on a drawing by John Izard Middleton.
Uniformitarianism
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Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific obser
Principles of Geology
…Now in Operation is a book by the Scottish geologist Charles Lyell that was first published in 3 volumes from 1830 to 1833. Lyell used the theory of uniformitarianism to describe how the Earth's surface was changing over time. This theory was in direct contrast to the geological theory of catastrophism. Many individuals…
Hutton's Unconformity at Jedburgh. Above: John Clerk of Eldin's 1787 illustration. Below: 2003 photograph.
Cliff at the east of Siccar Point in Berwickshire, showing the gently tilting red sandstone layers above vertically tilted greywacke rocks
Charles Lyell at the British Association meeting in Glasgow 1840