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词条 William Thomson (mineralogist)
释义

  1. Discovery of Widmanstätten pattern

  2. See also

  3. References

{{Use dmy dates|date=April 2012}}{{Infobox person
| name = Guglielmo Thomson
| image =
| alt =
| caption =
| birth_name = William Thomson
| birth_date = 1760
| birth_place =
| death_date = {{Death-date and age|1806|1760}}
| death_place = Palermo, Italy
| nationality = English
| other_names =
| known_for = Discovery of Widmanstätten pattern
| occupation = Geologist
}}William Thomson (1760 – November 1806) was an English mineralogist, who used the name Guglielmo Thomson in Italy in later life. He died in Palermo at the early age of 46 years.[1][2]

Discovery of Widmanstätten pattern

{{Main|Widmanstätten pattern}}

Thomson at the time was living in Naples. One day he decided to treat with nitric acid a sample of the Krasnojarsk meteorite with the purpose of cleaning it from rust. Shortly after the contact with acid he noticed on the surface of the metal a strange never seen before figures: it was the later-called Widmanstätten pattern.

In 1804 he published his discovery in French on the Bibliothèque Britannique.[3][1][5]{{rp|125}}[4] In 1808 his work was published post-mortem also in Italian language (translated from the original English manuscript) on Atti dell'Accademia Delle Scienze di Siena.[5][6][7]

The discovery is commonly credited to Count Alois von Beckh Widmanstätten probably due the early death of Thomson and the lack of an English publication. The discovery of Widmanstätten was independent, but it dates 1808 and it lacks publication.

So the full credit of the discovery should be assigned to G. Thomson due to chronological priority. For this reason, several authors suggested to call the pattern also Thomson structure.[1][8][9]

See also

  • Glossary of meteoritics

References

1. ^Gian Battista Vai, W. Glen E. Caldwell. The origins of geology in Italy. Geological Society of America, 2006, {{ISBN|0-8137-2411-2}}. – [https://books.google.com/books?id=rmrGS9s-KewC&pg=PA184&dq=%22Biblioth%C3%A8que+Britannique%22+thomson&sig=ZXbXj71Nt1i5rVbfazzBGUrLftE#PPA184,M1 p.184]
2. ^{{cite ODNB|last=Torrens|first=H. S.|id=64672|title=Thomson, William}}
3. ^Thomson, G. (1804) "Essai sur le fer malléable trouvé en Sibérie par le Prof. Pallas" (Essay on malleable iron found in Siberia by Prof. Pallas), Bibliotèque Britannique, 27 : [https://babel.hathitrust.org/cgi/pt?id=umn.319510009686531;view=1up;seq=137 135–154] ; [https://babel.hathitrust.org/cgi/pt?id=umn.319510009686531;view=1up;seq=213 209–229.] (in French)
4. ^F. A. Paneth. The discovery and earliest reproductions of the Widmanstatten figures. Geochimica et Cosmochimica Acta, 1960, 18, pp.176–182
5. ^{{cite journal|last1=Thomson|first1=G.|title=Saggio di G.Thomson sul ferro malleabile trovato da Pallas in Siberia|journal=Atti dell'Accademia delle Scienze di Siena|date=1808|volume=9|pages=37–57|url=https://books.google.com/books?id=mv8EAAAAQAAJ&pg=PA37#v=onepage&q&f=false|trans-title=Essay by G. Thomson on malleable iron found by Pallas in Siberia|language=Italian}}
6. ^Golia, M (2015) Meteorite: Nature and Culture, London: Reaktion Books Limited
7. ^Bettoni, G, Faccioli, M and Salvatori, F (2013) documenti geografici: n. 1 febbraio - luglio - nuova serie, Rome: Edizioni Nuova Cultura
8. ^John G. Burke. Cosmic Debris: Meteorites in History. University of California Press, 1986. {{ISBN|0-520-05651-5}}
9. ^O. Richard Norton. The Cambridge encyclopedia of meteorites. Cambridge, Cambridge University Press, 2002. {{ISBN|0-521-62143-7}}.
{{Meteorites}}{{authority control}}{{DEFAULTSORT:Thomson, G}}

4 : 1760 births|1806 deaths|English scientists|Meteorite researchers

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