Hans A. Seck

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Hans Adolf Seck (born December 4, 1935 in Cologne ; † February 8, 2016 ) was a German mineralogist and petrograph and professor at the University of Cologne .

After graduating from high school in Cologne-Deutz, Seck studied mineralogy at the University of Cologne from 1956 and received his doctorate there under Karl Jasmund in 1962 with a dissertation on geochemical investigations of volcanic gangue rocks in the Laacher See area. As a post-doctoral student , he was with Orville Frank Tuttle at Pennsylvania State University and Stanford University from 1964 to 1966 . There he was involved in setting up a laboratory for experimental petrology at high pressures and temperatures, and from 1966 he set up a similar laboratory in Cologne (first for high temperatures, then also for high pressures). At the beginning of the 1970s he completed his habilitation there with studies on alkali feldspar - plagioclase systems - carried out in his laboratory . From 1973 he was a professor in Cologne. In 2001 he retired, but continued to research in Cologne until 2011.

From 1976 he was involved in a DFG focus program on deep tectonics of the Rhenish Slate Mountains and began a long-term research program on xenolites of the deep crust and the upper mantle under the Eifel . In the 1980s he carried out similar studies with Russian scientists in the Baikal Trench and in the 1990s on ophiolites in Newfoundland . Then he turned back to experimental petrology (partial melting of granulites and trace element distribution in silicate melts).

From 1987 to 1995 he was a specialist reviewer for the DFG for petrology and mineralogy. At the German Mineralogical Society he was deputy chairman and from 1995 to 1998 chairman, from 2002 to 2007 he was its treasurer. In 2015 he became an honorary member of the German Mineralogical Society.

He was married and had two sons.

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