Mathematics – Logic
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusmgp23a..01p&link_type=abstract
American Geophysical Union, Spring Meeting 2007, abstract #GP23A-01
Mathematics
Logic
1522 Paleomagnetic Secular Variation, 1525 Paleomagnetism Applied To Tectonics: Regional, Global, 1527 Paleomagnetism Applied To Geologic Processes
Scientific paper
The first polar wander curves were drawn by Ken Creer, using rocks of different ages and the important question then was whether this polar wander was real or apparent, which would support the ideas of continental drift. The question could be answered if polar wander curves for different continents could be compared. Ted Irving went to Australia and Ken Creer went to South America in 1956-57, when he collected samples in Brazil and Uruguay. Ken returned to South America several times . In the early 1960's he took some instruments to Curitiba, Brazil and tried to set up a paleomag laboratory there but the sudent who was involved decided to do something else and the instruments were left there. Then he met Daniel Valencio in Argentina and a long story of collaboration and friendship began. Valencio was invited to stay at Ken Creer's laboratory in Newcastle-upon-Tyne where he prepared the installation of a Paleomag laboratory in the University of Buenos Aires. In the middle 1960's, Prof. P.M.S.Blackett gave a conference on Continental Drift at the University of São Paulo and by that time some geologists and physicits at the University were interested in developping research in Geophysics. In 1969-70 geologist Umberto Cordani told me about the attempt that Creer had made to install a paleomag lab at Curitiba and after an exchange of correspondence Creer visited us and we decided to bring the instruments to the Institute of Physics to start a Paleomag lab. Ken Creer and some Brazilian geologists who knew Daniel Valencio suggested that he could be invited by the Institute of Physics to give a course on Geomagnetism and help us to set up the Paleomag Lab .Daniel finally went to São Paulo, where he stayed for nearly six months. At the same time, the University of São Paulo was experiencing deep changes in its structure and one of he consequences was the creation in 1972 of a new Institute including Astronomy, Geophysics and Meteorology . There was some tradition only in Astronomy but the opportunities were open for the development of Geophysics and Paleomagnetism was the first research activity in the new department. The fruitful collaboration with Ken Creer, Daniel Valencio and members of his group leke Vilas and Mendia continued and the first publications began to appear in the early 1970's.
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