Joseph Tyrrell
Joseph Burr Tyrrell ( born 1 November 1858 in Weston (Ontario) (now Toronto ); † August 26, 1957 ) was a Canadian paleontologist and geologist, mining entrepreneur and explorer.
Life
Tyrrell was born in Weston, a city that had been his father ( an Irish immigrant and prosperous stonemason ) and was later part of Toronto was. He attended Upper Canada College with a degree in 1876 and then the University of Toronto, where he studied at the insistence of his father, Jura and 1880 graduated. He was particularly interested in biology and geology, which he studied privately. Initially he worked as a lawyer, but went in 1881 to the Geological Survey of Canada ( GSC) in Ottawa after he had lung disease and the doctor advised him to stay outdoors. 1883 George Mercer Dawson invited him to a geological expedition of the GSC in the largely unpopulated Canadian West in preparation for a planned railway to west. In 1884, he discovered coal deposits in the area of Drumheller and on this occasion also dinosaur fossils. He took 1893/4 in expeditions to the Canadian Arctic in part ( on the river Dubawnt and in the Kivalliq region in the largely unexplored so-called Barren Lands ), which accompanied him, his younger brother James. In 1898, he was infected by the Klondike Gold Rush, left the GSC in 1899 and opened a consulting company for gold miners in Dawson City. In 1907 he moved with his company to Toronto, to the one to be closer to his family, on the other hand the cobalt and silver mining in northern Ontario to benefit. In 1924, he invested in a gold mine in the Kirkland Lake in Northern Ontario, which made him a millionaire. He later had a apple tree plantation in Toronto, which was part of the zoo later.
On headed a expedition to the coal search he discovered am June 9, 1884 dinosaur fossils ( of predatory dinosaur Albertosaurus including skull) in the badlands of Alberta, in a remote area on the Red Deer River, the the after the first discoveries of Tyrrell as a important sites for dinosaur proved. The finds were examined by Edward Drinker Cope in the U.S. ( and first incrassatus called Laelaps, 1905 by Henry Fairfield Osborn Albertosaurus ). According to him, the Royal Tyrrell Museum of Palaeontology is named.
In 1918 he received the Murchison Medal and 1947 the Wollaston Medal of the Geological Society of London. He received the Back Award of the Royal Geographical Society, the Daly Medal of the American Geographical Society, and in 1933, the Flavelle Medal of the Royal Society of Canada. A school in Scarborough ( Ontario), where he retired as pensioners, is named after him.
In 1897 he published in the British Association for the Advancement of Science, a work that Louis Agassiz ' glaciation during the Ice Age theory of confirmed ( glacial scratches on granites in Manitoba ).
He was married in 1894 and had three children.
He also published the records of the Surveyor of the Hudson's Bay Company David Thompson from the late 18th century, which he had studied in preparation for his expeditions in the Barren Lands 1893/4.