Alexander du Toit
| Alexander Logie du Toit | |
|---|---|
| Born | 14 March 1878 |
| Died | 25 February 1948 (aged 69) |
| Residence | South Africa, United Kingdom |
| Nationality | South African |
| Fields | Geologist |
| Institutions |
Geological Commission of the Cape of Good Hope De Beers Consolidated Mines |
| Alma mater |
University of the Cape of Good Hope Royal Technical College Drury College Royal College of Science |
| Notable awards | Murchison Medal (1933) |
Alexander Logie du Toit FRS (/duːˈtɔɪ/ doo-TOY; 14 March 1878 – 25 February 1948) was a geologist from South Africa, and an early supporter of Alfred Wegener's theory of continental drift.
Du Toit was born in Newlands, Cape Town in 1878 and educated at the Diocesan College in Rondebosch and the University of the Cape of Good Hope. Encouraged by his grandfather, Captain Alexander Logie, he graduated in 1899 in mining engineering at the Royal Technical College in Glasgow. After a short period studying geology at the Royal College of Science in London, he returned to Glasgow to lecture in geology, mining and surveying at the University of Glasgow and the Royal Technical College.
In 1903, du Toit was appointed as a geologist within the Geological Commission of the Cape of Good Hope, and he began to develop an extensive knowledge of the geology of southern Africa by mapping large portions of the Karoo and its dolerite intrusions, publishing numerous papers on the subject. Subsequently he mapped the entire Karoo System through the complete stratigraphy from Dwyka tillite to the basalt of the Drakensberg. He worked at a furious rate but was known for his painstaking meticulousness. This is reflected in his book "Our Wandering Continents". It still bears reading for its creative and closely argued theses in the light of the geology of the day, and is soberingly consistent with modern principles of plate tectonics.
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