Johann Georg Bornemann

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Johann Georg Bornemann (born May 20, 1831 in Mühlhausen , † July 5, 1896 in Eisenach ) was a German geologist , paleontologist and entrepreneur of the 19th century . Its official botanical author's abbreviation is “ Bornem. ".

Life

Bornemann came from a merchant family and was also successful as an entrepreneur . He was born the youngest of seven siblings and died of complications from heart disease. Bornemann was familiar with the Central German Triassic and belonged to numerous research societies. His extensive fossils and rock collection can be viewed in the Institute for Geological Sciences and Geiselthal Museum of the Martin Luther University Halle-Wittenberg . In 1864 he was elected a member of the German Academy of Sciences Leopoldina .

  • 1842–1850: Attended grammar school in Mühlhausen / Thuringia
  • 1850–1854: Studied natural sciences at the universities of Leipzig , Göttingen and Berlin . Dissertation : "About the Lias formation in the vicinity of Göttingen and its organic inclusions".
  • 1856: Bornemann deals with volcanism on his first trip to Italy .
  • 1857: Exploration of the geology and deposits of the island of Sardinia on his second trip to Italy. Creation of a mining company for the exploitation of lead ore deposits in Sardinia.
  • 1859: Bornemann marries Agnes Louise Sellier, daughter of the banker Louis Sellier and widow of his older brother August-Wilhelm and mother of three children. Moved to Leipzig and lectured at the University of Leipzig.
  • 1864: Move to Eisenach , where Bornemann built a country estate in 1861. Work as a soil speculator. Founding of the Eisenacher Ziegelei-Aktiengesellschaft near Stregda .
  • 1891: After the death of his first wife and mother of his 7 children, Bornemann married a second time in 1889 (Helene von Willich).

Fonts

  • 1852: About the geognostic conditions of the Ohm Mountains near Worbis .
  • 1853: About solid iron from the Keuper formation near Mühlhausen in Thür.
  • About the Lias formation in the vicinity of Göttingen and its organic inclusions. Inaugural dissertation, AW Schade, Berlin 1854
  • About Semionotus in the upper Keupersandstein. Journal of the German Geological Society, VI, 612 - 615, panel XXV, Berlin 1854
  • About organic residues of the Lettenkohlengruppe Thuringia. A contribution to the fauna and flora of this formation. Especially about fossil cycads, together with comparative studies on the leaf structure of the cycad genera of today. 85 p., XII plates, published by Wilhelm Engelmann, Leipzig 1856
  • 1856: Flora Mulhusiana. Systematic list of plants growing in the wild or cultivated on a large scale in the Mühlhausen district (Prov. Saxony ).
  • 1856: About the diluvial and alluvial deposits in the vicinity of Mühlhausen in the area of ​​the upper Unstrut Valley .
  • 1856: About the current state of active volcanoes in Italy.
  • 1861: About plant remains in quartz crystals.
  • 1873: About a microscopic grinding machine (with LG Bornemann jr.)
  • 1874: About remains from the Stone Age in the vicinity of Eisenach .
  • 1885: About fossil calcareous algae .
  • 1886: The fossilizations of the Cambrian stratification system of the island of Sardinia together with comparative studies of similar occurrences from other countries.
  • Contributions to the knowledge of the shell limestone , in particular the sequence of layers and the rocks of the lower shell limestone in Thuringia. Yearbook of the Royal Prussian State Geological Institute and Mining Academy in Berlin for the year 1885, 267 - 321, panel VII - XIV, Berlin 1886
  • 1889: About the colorful sandstone and its importance for the Triassic , together with studies of sand and sandstone formations in general.

literature

  • Henri Potonié (1897): JG Bornemann . In: Reports of the German. Offered. Ges. 15, pp. 29-34.
  • Manfred Barthel (1966): Johann Georg Bornemann - founder of cuticular analysis . Hallesches Jb. Mitteldt. Erdgeschichte, 7 (f. 1965): 7-10, Leipzig.
  • Norbert Hauschke (1999): Johann Georg Bornemann (1831 - 1896) - His contribution to research on the Triassic . In: Trias - A completely different world, pp. 597–601.

Web links

personal data
SURNAME Bornemann, Johann Georg
BRIEF DESCRIPTION German geologist, paleontologist and entrepreneur
DATE OF BIRTH May 20, 1831
PLACE OF BIRTH Mulhouse
DATE OF DEATH July 5, 1896
Place of death Eisenach