John Strachey (geologist)

John Strachey
Born10 May 1671
Chew Magna
Died11 June 1743 (1743-06-12) (aged 72)
Greenwich
NationalityBritish
Known forstratified rock formations
Scientific career
FieldsGeology

John Strachey FRS (10 May 1671 – 11 June 1743[1]) was a British geologist and topographer.

He was born in Chew Magna, England. 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 was elected a Fellow of the Royal Society in 1719.[2]

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.[3] 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.[4]

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).[5]

He had married twice; firstly Elizabeth Elletson, with whom he had 18 children (see picture of 8 of them)[6] and secondly Christina Staveley, with whom he had a further one child. Strachey died in Greenwich, London.

  1. ^ "Strachey, John". Encyclopaedia Britannica 2013. Ultimate edition. 2012. ISBN 978-3-8032-6629-3. OCLC 833300891.
  2. ^ "John Strachey, William Smith and the strata of England 1719-1801". Geoscientist 17.7 July 2007. The Geological Society. Archived from the original on 10 March 2008. Retrieved 13 August 2008.
  3. ^ "History of Geology". Cartage.org. Archived from the original on 20 August 2008. Retrieved 13 August 2008.
  4. ^ "Smith's other debt". Geoscientist 17.7 July 2007. The Geological Society. Archived from the original on 10 March 2008. Retrieved 13 August 2008.
  5. ^ Fuller, J. G. C. M. "Strachey, John". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/26622. (Subscription or UK public library membership required.)
  6. ^ "The worst picture in the world?". Flickr. Retrieved 24 July 2018.