John Strachey (geologist)
- John Strachey (geologist)
Infobox Scientist
name = John Strachey
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caption = John Strachey
birth_date = 10 May, 1671
birth_place = Chew Magna
death_date = 11 June, 1743
death_place = Greenwich
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nationality = United Kingdom
ethnicity =
field = Geology
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known_for = stratified rock formations
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John Strachey (10 May, 1671 - 11 June, 1743) was a British geologist. He was born in Chew Magna, England, a member of the Strachey Baronets and died in Greenwich.
He inherited estates including Sutton Court from his father at three years of age. He matriculated at Trinity College, Oxford and was admitted at Middle Temple, London, in 1688. He became a fellow of the Royal Society, 1719. [cite web|url=http://www.geolsoc.org.uk/gsl/geoscientist/features/page1017.html|title=John Strachey, William Smith and the strata of England 1719-1801|work=Geoscientist 17.7 July 2007|publisher=The Geological Society|accessdate=2008-08-13]
He introduced a theory of rock formations known as Stratum, based on a pictorial cross-section of the geology under his estate at Bishop Sutton and Stowey in the Chew Valley and coal seams in nearby coal works of the Somerset coalfield, projecting them according to their measured thicknesses and attitudes into unknown areas between the coal workings. [cite web|url=http://www.cartage.org.lb/en/themes/sciences/Earthscience/Geology/AboutGeology/Historyofgeology/Historyofgeology.htm|title=History of Geology|publisher=Cartage.org|accessdate=2008-08-13] The purpose was to enhance the value of his grant of a coal-lease on parts of his estate. This work was later developed by William Smith. [cite web|url=http://www.geolsoc.org.uk/gsl/geoscientist/features/page1017.html|title= Smith's other debt|work=Geoscientist 17.7 July 2007|publisher=The Geological Society|accessdate=2008-08-13]
In addition to his map making and geological interests he had several other publications including "An Alphabetical List of the Religious Houses in Somersetshire (1731)". [cite web|url=http://www.oxforddnb.com/view/article/26622?docPos=1|title=Strachey, John|publisher=Oxford Dictionary of National Biography|accessdate=2008-08-13]
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