217:, the Royal Academy of Sciences and Arts of Barcelona, the Institute of Coimbra, the Academy of Sciences and Fine Arts of Besançon, the Portuguese Academy of Sciences, the Royal Spanish Society of Natural Sciences of Madrid, the Natural History Society of Basel, the Geographic Society of Geneva, the Natural History Society of Toulouse and the Argen Society of Agriculture, Science and Arts. He was also a member of the Association of Portuguese Civil Engineers, of the Geography Society of Lisbon, of the Portuguese Society of Natural Sciences., the Porrentruy Jurassic Emulation Society and the Jura Emulation Society. He has been an honorary member of the Belgian Society of Geology, Paleontology and Hydrology, the Society of Physics and Natural History of Geneva, the Swiss Society of Natural Sciences, the Society of Chemistry and Natural History of Zurich, the Russian Society of Mineralogy and the Society of Sciences. Lausanne naturals.
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outstanding services in science in
Portugal, his relationship with his Portuguese colleagues was not one of the best, so he was considered a loner in his scientific work. Although he worked for 40 years in Portugal, he left no disciples, except the collectors of the Geological Commission and the military engineer and geologist Pereira de Sousa., with whom he later seems to have also become incompatible. His relationship with the geological service deteriorated after Nery Delgado's death in 1908, making him increasingly critical of the course the institution took. As a result, after Paul Choffat's death, the heirs withdrew their entire scientific estate, most of which only returned to Portugal in the 1940s, through the good offices of the Geological Society of Portugal.
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one of the best works of
Portuguese geological cartography, collaborating intensely with Nery Delgado, the military engineer who at the time chaired the Geological Commission and headed the Geological Works Section. The cartographic studies he then carried out allowed him to publish a tectonic chart and a hypsometric chart of Portuguese territory. In the memory accompanying the hypsometric chart includes a set of studies on the physical geography of the Portuguese territory, still considered relevant today. In addition to the works of Portuguese theme, in the period prior to his coming to Portugal, he published several works concerning the paleontology and stratigraphy of the French and Swiss Jurassic lands, among which are worth mentioning the works that make up the work
82:(1813–1882), president of the Kingdom Geological Commission, who invited him to visit Portugal for the special purpose of studying the stratigraphy of Jurassic terrain. Given that at the time I suffered from pharyngitis Chronicle, who had been advised to cure in a dry, sunny climate, decided to accept the invitation, arriving in Lisbon in October 1878, proposing to stay in Portugal for three months, long enough to cure her illness. However, he would eventually stay in Portugal for about 40 years, until the end of his life, starting a research course on the geology of Portugal that would make him famous.
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remarkable biographical note published by the German geographer
Hermann Lautensach upon Paul Choffat birth centenary. In translation by José Custódio de Morais, the note was republished in the "Memoirs and News" inserted in the Publications series of the Mineralogical and Geological Museum of the University of Coimbra (No. 25, 1949). A biography by Ernest Fleury (1878-1958), also Swiss and a continuator of his work in Portugal, was also published.
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Federal
Polytechnic School. from Zurich, where he had studied. He then began a research course in the field of paleontology, to which he devoted himself full-time, applying the early years of his career to the study of the Jurassic terrain of France and Switzerland, a subject in which he became an expert. During this period he met numerous geologists and paleontologists, contacts that he maintained throughout his scientific life.
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his field of interest, performing multiple works of applied geology, including research and characterization of mineral waters from the
Mesozoic regions, and studies of western tectonics. of the Iberian Peninsula. He also devoted himself to the study of prehistoric lithic structures, a matter in which he was in many ways pioneer in Portugal.
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One field to which he devoted particular attention was the publication of geological maps, collaborating with Nery
Delgado in the geological survey of Portuguese territory that is the origin of the geological map published in 1899 and replaced the one that had been published in 1876 by Carlos Ribeiro
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Also he devoted himself to geological mapping, one of the authors of the geological map of the country on the scale 1:500,000, published in 1899, which came to replace the one that had been published in 1876 by Carlos
Ribeiro and Delgado. He played an important role in the elaboration of this letter,
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Working for many years as an independent researcher, it was not until 1883 that he was officially hired as a geologist for the
Geological Commission of the Kingdom (precursor of the Geological Services of Portugal). He initially devoted himself to the study of Mesozoic formations, but then broadened
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During his stay in Besançon he integrated with the local intelligentsia, establishing friendship with various naturalists and developing a great interest in geology. He was a member of the prestigious Société d'Emulation du Doubs. In 1871 he returned to
Switzerland and the following year enrolled in
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Having completed the course in 1876, the distinctive and brilliant manner in which the course was attended, as evidenced by the high standards of consideration it received from its teachers, led to that honorable appointment that same year as an aggregate professor of Animal
Paleontology at the
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He was a member of numerous committees within the International Geology Congress, had honorable scientific titles, and was named for numerous paleontological genera and species. He received the most imminent scientific men of his time due consecration as noted geologist, most notably the
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Considered to be a “hard-tempered" man "of a physique and temperament (…) audacious in his geological explorations (…) living only for his scientific studies," despite having integrated himself in his homeland of adoption, becoming an individual of prestigious prestige. and one of the most
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temporarily accepted and often still referred to. He also defined the floor he designated by Belasiano (meanwhile fallen into disuse), represented in the Belas region, outside Lisbon, consisting of marl andlimestones with a silicyblastic series at the base, corresponding to part of the
228:) conferred by the Geological Society of France, the first time the prestigious prize was given to a foreigner. He was also distinguished with the degree of Commander of the Order of Isabel the Catholic of Spain (in 1892) and the degree of Commander of the Order of Santiago (in 1896).
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and Nery Delgado. He also produced several regional maps, including the outskirts of Leiria, Arrábida, the Buarcos-Verride and Montejunto mountains. Although they were not published, he produced several geological maps in the 1:20 000 scale and when he passed away he was preparing a
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In the field of geotechnics he elaborated a study for the drilling of the Rossio Tunnel, considered a pioneer work at the time, and was frequently consulted on works related to geology, giving advice on the best way to perform the works. He conducted surveys of the
109:, to various aspects of geotechnics (at the time viewed as applied geology). Among the various publications of his own, there are three general studies of great relevance to the knowledge of the geology of Portugal, one on the Jurassic and two on the Cretaceous:
39:) From 1878 he settled in Portugal, where he spent most of his scientific career and where he died. He is considered a key figure in the history of Portuguese Geology, whose studies are still relevant to the knowledge of the geology of Portugal.
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and Pedra Furada ( Sabugo ) Cretaceous massifs, allowing groundwater flows to be found at 330 and 380 meters deep, and his work on the mineral waters of the Mesozoic regions is considered an exceptional hydrology work based on geology.
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the Chemistry and Natural Sciences course at the Federal Polytechnic School of Zurich and the University of Zurich. During his studies he became particularly interested in Paleontology, being a student, among others, of professors
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In those works established the stratigraphic classification of the Portuguese sedimentary formations, describing the respective faunas, lithological composition and facies. Another pioneering work is the essay entitled
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In contrast to its relationship with Portuguese geologists, it maintained intense international cooperation, being a member of multiple academies and scientific societies. He was a correspondent partner of the
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Hermann Lautensach, "Paul Choffat e a Geografia de Portugal" (tradução de J. C. Morais). Publicações do Museu Mineralógico e Geológico da Universidade de Coimbra, n.º 25, 1949 (
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in French-speaking Switzerland, from a Soubey (Jura) family, he completed his primary and secondary studies in his homeland. After the high school, left for
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and physical geography of Portugal. Having started his career as an associate professor of animal paleontology at the Federal Polytechnic School of Zurich, (Now
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floors and separates the Trias from the Infralias. In this context it is to relieve the creation of floor Lusitaniano for stratigraphic set
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Esquisse du callovien et de The Oxfordien of the Middle Jura: Suivie of a Supplementary Aid to the Acanthicus Ammonites of the Occidental Jura
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Collection of Stratigraphic Monographs on the Cretacic Syndrome of Portugal - 1st. Ă©tude - Contres de Cintra, by Bellas et de Lisbonne
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Paul Choffat's hundreds of studies on Portuguese geology cover a wide range of themes, from the secondary formations of Portugal, to
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The prestige he enjoyed inside and outside Portugal led to his being honored in the paleontological nomenclature, with
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In the monographs he publishes about the Portuguese sedimentary formations he creates the Lusitanian, describes the
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Stratigraphic and palaeontological etude of jurassic terrains of Portugal - Le Lias and Dogger au Nord du Tage
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Hermann Lautensach, "Paul Choffat und die länderkundliche Forschung in Portugal : ein Gedächtniswort".
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Replica of Monographies Stratigraphiques sur le crème crème - 2éme. étude - The Crétacique au Nord du Tage
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During the International Congress of Geology, held in Paris in 1878, he met Portuguese geologist
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Biografia de Léon Paul Choffat (1849-1919), por Jorge de Macedo de Oliveira Simões
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Simões, J. M. O., "Biografia de Geólogos Portugueses – Léon Paul de Choffat",
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Simões, J. M. O., "Biografia de Geólogos Portugueses – Léon Paul de Choffat",
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Almeida e Carvalhosa, "Breve História dos Serviços Geológicos em Portugal",
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the University of Zurich and in 1900 received the Auguste Viquesnel Prize (
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Fleury, E., "Une phase brillante de la GĂ©ologie portugaise, Paul Choffat",
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Fleury, E., "Une phase brillante de la GĂ©ologie portugaise, Paul Choffat",
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94:, originally published in volumes III and IV of the Annals of the
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Evolução Institucional do Sector Geológico e Mineiro em Portugal
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Verhandlungen der Schweizerischen Naturforschenden Gesellschaft
534:: LĂ©on Paul Choffat (1849-1919) por A.M. Galopim de Carvalho
386:: LĂ©on Paul Choffat (1849-1919) por A.M. Galopim de Carvalho
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Léon Paul de Choffat (1849-1919), por Teresa Salomé Mota
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Biografia de LĂ©on Paul Choffat (1849-1919) (com retrato)
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Teresa Salomé Mota: "Léon Paul de Choffat (1849-1919)"
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MemĂłrias da Sociedade Portuguesa de CiĂŞncias Naturais
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MemĂłrias da Sociedade Portuguesa de CiĂŞncias Naturais
197:, for which he had already collected a lot of data.
339:Bibliographic Metadata na Zentralbibliothek ZĂĽrich
286:LNEG: "Biografia de LĂ©on Paul Choffat (1849-1919)"
135:Essai sur la Tectonique de la Chaîne de l'Arrabida
59:, France, where he was employed in a bank house.
475:Comunicações dos Serviços Geológicos de Portugal
461:Comunicações dos Serviços Geológicos de Portugal
274:Comunicações dos Serviços Geológicos de Portugal
249:Comunicações dos Serviços Geológicos de Portugal
213:, the Royal Academy of Sciences of Madrid, the
19:(14 May 1849 – 6 June 1919) was a Swiss-born
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435:Ernest Fleury, "Paul Choffat: Nekrolog".
424:Ernest Joseph Xavier Fleury (1878-1958)
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500:Paul Choffat e a Geografia de Portugal
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363:Paul Choffat na Geologia portuguesa
569:Portuguese people of Swiss descent
245:Jorge de Macedo de Oliveira Simões
195:Description géologique du Portugal
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251:, XIII (1919/1922), pp. VII-XI.
168:, a genus of foraminifera, and
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564:19th-century Swiss geologists
511:Biografias: LĂ©on Paul Choffat
298:FCT: Homenagem a Paul Choffat
211:Academy of Sciences of Lisbon
215:Geological Society of London
96:Geological Society of France
574:Swiss emigrants to Portugal
463:, XIII (1919—1922), VII—IX.
449:SGF: Prix Auguste Viquesnel
313:, IV-2 (1949), pp. 97-105 (
276:, XIII (1919—1922), VII—IX.
65:Arnold Escher von der Linth
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174:Perisphinctes cf choffati
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351:Texto integral da obra
226:Prix Auguste Viquesnel
579:Swiss paleontologists
559:Portuguese geologists
311:Geographica Helvetica
498:Hermann Lautensach,
220:In 1892 he was made
506:Paul Choffat na BNF
176:, an ammonite, and
493:Choffat, LĂ©on Paul
222:honorary doctor of
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152:upper and
49:Porrentruy
37:ETH Zurich
186:Abelheira
170:Choffatia
150:Oxfordian
142:Bathonian
107:tectonics
43:Biography
21:geologist
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57:Besançon
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33:Jurassic
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