Gressly, Amanz

Gressly, Amanz

▪ Swiss geologist
born July 17, 1814, Bärschwil, Switz.
died April 13, 1865, Bern

      Swiss geologist who originated the study of stratigraphic facies when he discovered lateral differences in the character and fossil content of strata in the Jura Mountains, reflecting a variation of the original environment of deposition.

      At a time when geologists mainly studied the vertical succession of rock and fossil beds, Gressly observed the great horizontal changes in each individual layer. In “Observations géologiques sur le Jura Soleurois” (1838–41), he coined the term facies to describe the aspects (or “faces”) of the terrain. Gressly worked closely with Louis Agassiz at Neuchâtel, and, when Agassiz went to the United States in 1846, Gressly turned to engineering work on tunnels for the alpine railroads. His discoveries there, combined with his extensive fossil collection, enabled him accurately to predict sedimentary strata in regions he had not visited. He is considered to have laid the foundations for modern paleogeography.

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Universalium. 2010.

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  • Amanz Gressly — in den 1860er Jahren Amanz Gressly (* 17. Juli 1814 in Bärschwil; † 13. April 1865 in Bern) war ein Schweizer Geologe und Paläontologe. Auf Gressly geht die Verwendung des Begriffs Fazies in der Geologie zurück, er gilt als ei …   Deutsch Wikipedia

  • Gressly — Amanz Gressly in den 1860er Jahren Amanz Gressly (* 17. Juli 1814 in Bärschwil; † 13. April 1865 in Bern) war ein Schweizer Geologe und Paläontologe. Auf Gressly geht die Verwendung des Begriffs Fazies in der Geologie zurück, er …   Deutsch Wikipedia

  • Amanz Gressly — Traduction à relire …   Wikipédia en Français

  • Amanz Gressly — Infobox Scientist name = PAGENAME box width = image width =150px caption = PAGENAME birth date = July 17, 1814 birth place = Bärschwil death date = April 13, 1865 death place = residence = citizenship = nationality = Switzerland ethnicity = field …   Wikipedia

  • geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …   Universalium

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  • Amphibolit-Fazies — Eklogit Fazies Blauschiefer Fazies Grünschiefer Fazies nicht verwirklicht …   Deutsch Wikipedia

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