Jul 252016
 

SIr James Hall's house128 George Street, Edinburgh EH2 4JZ

Sir James Hall was a important champion of the theories of James Hutton. He was with Hutton when he discovered his famous unconformity at Siccar Point in the Scottish Borders. Hall played a major role in the debate between the disciples of Hutton (Plutonists) and those of the German geologist Abraham Gottlob Werner (Neptunians). Starting in 1798, he conducted a series of experiments to prove the Huttonian principle that the earth’s internal heat played an vital role in rock formation. These involved making artificial marble by subjecting powdered chalk to intense heat and pressure.

The ground floor Sir James Hall’s house is now a Wetherspoon pub.

Hutton's famous unconformity, Jedburgh.

Hutton’s famous unconformity, Jedburgh. Two layers of rocks can be seen lying at different angles one on top of the other.

 

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