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Topic: Tuzo Wilson


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In the News (Fri 11 Dec 09)

  
  J. Tuzo Wilson [This Dynamic Earth, USGS]   (Site not responding. Last check: 2007-10-13)
Wilson had known Hess in the late 1930s, when he was studying for his doctorate at Princeton University, where Hess was a dynamic young lecturer.
Wilson was a professor of geophysics at the University of Toronto from 1946 until 1974, when he retired from teaching and became the Director of the Ontario Science Centre.
Wilson and other scientists, including Robert Dietz, Harry Hess, Drummond Matthews, and Frederick Vine, were the principal architects in the early development of plate tectonics during the mid-1960s -- a theory that is as vibrant and exciting today as it was when it first began to evolve less than 30 years ago.
pubs.usgs.gov /publications/text/Wilson.html   (466 words)

  
 Geophysicists - J. Tuzo Wilson
Wilson revels in the knowledge that the image of himself at play with hoi polloi (there being considerable difficulty in establishing who is having the better time) upsets the stuffier of his academic peers.
Wilson describes his stay at Cambridge as "two years of traveling, rowing, flying and drinking." The learning, although he added another degree, was minimal due to Jeffrey's eccentricities and because the department of geodesy and geophysics was only then being formed.
Wilson contributed several important ideas, including permanent hot spots in the earth's mantle (1963); transform faults, one of the key concepts leading to the theory of plate tectonics (1965); and an elaborate cycle of mountain building which includes such trivial matters as the opening and closing of oceans (1966).
www.mssu.edu /seg-vm/bio_j__tuzo_wilson.html   (4762 words)

  
 Lamont-Doherty Earth Observatory - Biography of Vetlesen Prize Winner - John Tuzo Wilson   (Site not responding. Last check: 2007-10-13)
In the early 1960s, Wilson refined and championed the theory of plate tectonics, which was then held in disrepute, by contributing a crucial concept: he suggested that the Hawaiian and other volcanic island chains may have formed due to the movement of a plate over a stationary “hotspot" in the mantle.
Wilson's hypothesis was soon confirmed and in a short time it became a cornerstone of geology –; a rare example of a single person’s developing an elegant yet simple concept which can profoundly affect a major scientific field.
Wilson was elected president of the Royal Society of Canada (1972-1973), the American Geophysical Union (1980-1982), and the International Union of Geodesy and Geophysics.
www.ldeo.columbia.edu /vetlesen/recipients/1978/wilson_bio.html   (663 words)

  
 Wilson, J. Tuzo (1908-1993): World of Earth Science
An early proponent of the continental drift theory, J. Tuzo Wilson is chiefly remembered for his proposition that transform faults were present in the ocean floor, an idea that led to conclusive evidence that the sea floor and the earth's crust are constantly moving.
Wilson later hypothesized that an ancestral Atlantic Ocean basin had opened and closed during the Paleozoic Era, in turn creating the huge land mass known as Pangaea.
The Wilsons later shared their love of geology and the outdoors with their children, who were brought up to respect the pursuit of knowledge and were educated under the direction of an English governess.
science.enotes.com /earth-science/wilson-j-tuzo   (1034 words)

  
 John Tuzo Wilson Summary
In 1963 John Tuzo Wilson revolutionized geology by suggesting that volcanic islands, such of those of Hawaii, had been formed by the movements of plates over a "hotspot"; in the earth's mantle.
Wilson retired from his professorship at the University of Toronto in 1974.
The John Tuzo Wilson Medal of the Canadian Geophysical Union was named in his honor, recognizing achievements by scientists of geophysics.
www.bookrags.com /John_Tuzo_Wilson   (1981 words)

  
 gt01sep24_25
Mount Tuzo in western Canada was named after her because she and Christian Bohre were the first to scale its peak.
It was at the University of Toronto that Tuzo reacted brilliantly by admitting to himself.
Tuzo's great paper describing this, "A Possible Origin of the Hawaiian Islands," was rejected by the leading American geophysical journal in 1963 on the grounds that it was completely at variance with the latest seismic studies of the region.
gsahist.org /gsat/gt01sep24_25.htm   (1366 words)

  
 Canadian Mining Hall of Fame - J. Tuzo Wilson   (Site not responding. Last check: 2007-10-13)
An internationally renowned earth scientist, J. Tuzo Wilson made significant contributions to the understanding of the dynamic earth, particularly in the fields of geology and geophysics.
While most famous for advancing the theory of plate tectonics, Wilson was also a practical scientist — he was one of the first geologists to use remote sensing and geophysics as an aid to understanding geological processes.
Wilson was born in 1908, the son of a Scottish engineer who was a civil servant in charge of civil aviation.
www.halloffame.mining.ca /halloffame/english/bios/wilson.html   (522 words)

  
 When the Earth Moves - Plates in Motion
When Wilson took up the question, the favored interpretation was that the faults were evidence of the tearing of the ocean crust from edge to edge.
Wilson's ideas about oceanic faults and plates were easily tested by the emerging earthquake location data set and Lynn Sykes, working at Lamont, was quick to try this test.
Sykes found that oceanic earthquakes were, indeed, concentrated along the mid-ocean ridges and their connecting faults, and that the interiors of the oceanic "plates" were nearly aseismic, or earthquake-free.
www.beyonddiscovery.org /Includes/DBLink.asp?ID=1197   (668 words)

  
 Ontario Science Centre: Dr. J. Tuzo Wilson Geodetic Monument unveiled at the Ontario Science Centre
The J. Tuzo Wilson Geodetic Monument was officially unveiled today at the main entrance of the Ontario Science Centre.
Dr. Wilson is probably best known for his instrumental role in developing the theory of Plate Tectonics.
This theory describes the formation, motion and destruction of the Earth’s crust, the origin of volcanic eruptions and earthquakes, and the growth of mountains.
www.ontariosciencecentre.ca /media/default.asp?releaseid=709   (558 words)

  
 Canada Science and Technology Museum
Wilson proposed that volcanic island chains could be formed by the movement of a plate over a stationary "hotspot" of rising magma.
Wilson's abilities as a teacher were widely admired, and he had a reputation for spotting and nurturing scientific talent.
Wilson saw this as an opportunity to inform the public about the importance of science through hands-on demonstrations.
www.sciencetech.technomuses.ca /english/about/hallfame/u_i30_e.cfm   (237 words)

  
 Wilson cycle introduction
Note that they come together in the Wilson Cycle where the six tectonic regimes of the lithosphere can be said to have been constructed inductively from observation, or to exist logically through plate tectonic theory.
The Wilson cycle is named after J. Tuzo Wilson who first made the connection between sea-floor spreading and subduction zones.
The Wilson cycle brings together all the processes of plate tectonics, and all the processes by which individual rocks are generated, and uses them to tell a plausible story of how plate tectonic theory and individual minerals and rocks are related.
csmres.jmu.edu /geollab/Fichter/PlateTect/wilsonintro.html   (846 words)

  
 Explore Kilauea Volcano | Geology
Wilson recorded the age of each island and found that for each chain, the islands become progressively younger to the southeast.
Wilson proposed that the Hawaiian islands formed successively over a common source of magma called a hot spot.
Wilson thought the hot spot was located in the relatively stagnant center of a mantle convection cell.
www.fireworkstudios.com /geology.html   (1221 words)

  
 Bedford Institute of Oceanography   (Site not responding. Last check: 2007-10-13)
The continuing contribution of John Tuzo Wilson, the fourth recipient of the A.G. HUNTSMAN Award, is well-known to all geoscientists.
Because of his encyclopaedic knowledge of geology and his innovative imagination he played a key role in the development of the concepts of plate tectonics and sea-floor spreading with such prescient ideas as mantle plumes or hot spots and the mechanics of Transform Faults, now basic to modern geodynamic understanding.
Although he has spent considerable time travelling, it is perhaps appropriate that for over 30 years he was professor of geophysics at the University of Toronto where his ability to draw the salient information from a vast reservoir of geological observations, and to clearly explain it, has influenced an entire generation of geologists and geophysicists.
www.bio.gc.ca /huntsman/wilson-e.html   (242 words)

  
 TIME.com: Why the West Is Wild -- Jan. 11, 1971 -- Page 1
The new theory, outlined by the University of Toronto's J. Tuzo Wilson, fits in neatly with the tenets of the new geology.
Wilson traces the path of the rise (see map) by such subtle evidence as heat flow in rocks, remains of ancient magnetic fields and the variations in the velocity of seismic waves under different parts of the West.
Wilson acknowledges that the area west of the fault is edging slowly northward.
www.time.com /time/magazine/article/0,9171,876855,00.html   (806 words)

  
 U of T Magazine -- Spring 2002
Born in Ottawa in 1908, Wilson was the first student to take a BA in geophysics at U of T. Then it was off to Cambridge, compliments of the Massey Foundation, for a second bachelor's degree, and then to Princeton, where he earned a PhD in 1936.
Wilson then retired from U of T, but the word was almost meaningless to him.
Wilson personified the classical ideal of keen mind and active body, and so we have a snapshot of him in 1935 making the first ascent of Mount Hague, at 12,328 feet one of the highest mountains in Montana.
www.magazine.utoronto.ca /02spring/f01p.htm   (402 words)

  
 J23 The Wilson cycle
The Wilson Cycle, as it is usually construed now in terms of plate tectonics, begins when conjugate continental margins are created by plate divergence tensional rifting.
The Wilson generalization was a continuation of his 1962 view that "The present random arrangement of the continents can be expected to be normal."
Wilson, 1962: "It seems likely that rifting often tends to follow the line of old ranges, for example, the opposite sides of the South Atlantic..."
geowords.com /histbooknetscape/j23.htm   (1511 words)

  
 The critical importance of water to plate tectonics   (Site not responding. Last check: 2007-10-13)
Tuzo Wilson, formerly of the University of Toronto and the Ontario Science Centre, was one of the fathers of plate tectonics, and was the author of numerous papers which were critical in the formation of the theory in the early and mid 1960s.
The mechanism for this process is known as the Wilson Cycle.
A critical part of the Wilson Cycle, and of Plate Tectonics as a whole, is the initiation of subduction.
www.mala.bc.ca /~earles/subduction-water-oct01.htm   (435 words)

  
 John Tuzo Wilson   (Site not responding. Last check: 2007-10-13)
Wilson was born to Scottish emigrants to Canada in Ottawa, Ontario.
He became the first person in Canada to take a university course in geophysics, graduating from Trinity College at the University of Toronto in 1930.
His academic years culminated in his obtaining a doctorate in geology in 1936 from Princeton University.
www.tocatch.info /en/John_Tuzo_Wilson.htm   (277 words)

  
 Dive and Discover : History of Oceanography
In 1965, a Canadian geophysicist, J. Tuzo Wilson, combined the continental drift and seafloor spreading hypotheses to propose the theory of plate tectonics.
Tuzo said that Earth’s crust, or lithosphere, was divided into large, rigid pieces called plates.
Tuzo Wilson predicted three types of boundaries between plates: mid-ocean ridges (where ocean crust is created), trenches (where the ocean plates are subducted) and large fractures in the seafloor called transform faults, where the plates slip by each other.
www.divediscover.whoi.edu /history-ocean/continental.html   (1029 words)

  
 Dynamic Earth - Tectonics through time - the Wilson cycle   (Site not responding. Last check: 2007-10-13)
In the mid 1960s J Tuzo Wilson formalised some key concepts in plate tectonics.
He saw that the modern north Atlantic had been preceded by rifting which itself formed roughly along the site of an old mountain range ("mobile belt") that was it turn formed by the collision between two ancient continents (that we now call Laurentia and Avalonia).
Use this diagram to find examples of the various parts of the Wilson Cycle in the modern world.
earth.leeds.ac.uk /dynamicearth/history/wilson/index.htm   (106 words)

  
 Wilson J Tuzo John Tuzo 1908 Oral history interview with J. Tuzo Wilson, 1993 February 16. AIP International Catalog of ...   (Site not responding. Last check: 2007-10-13)
Wilson J Tuzo John Tuzo 1908 Oral history interview with J. Tuzo Wilson, 1993 February 16.
Oral history interview with J. Tuzo Wilson, 1993 February 16.
Interview was conducted on February 16, 1993 Ronald Doel.
www.aip.org /history/catalog/icos/4371.html   (182 words)

  
 Hot Spots and Mantle Plumes   (Site not responding. Last check: 2007-10-13)
While visiting Hawaii, Tuzo Wilson, one of the founders of the theory of plate tectonics, noticed some interesting features about ocean islands.
On a map of the Pacific basin, he found three linear chains of volcanoes and submarine volcanoes (seamounts).
Wilson reviewed the reports that had been published on these island chains and recorded the age of each island.
volcano.und.nodak.edu /vwdocs/vwlessons/hotspots.html   (297 words)

  
 Amazon.com: "Duncan Wilson": Key Phrase page   (Site not responding. Last check: 2007-10-13)
One such example was the Master of Corpus, a retired diplomat and Oxford-educated historian, Sir Duncan Wilson.
It was rather unusual for a Cambridge College to invite Oxford men to become College Masters and the most recent...
Duncan Wilson, a Foreign Office official later to be knighted but now on the Control Commission, Germany, examined `Some Problems of Democratic...
www.amazon.com /phrase/Duncan-Wilson   (476 words)

  
 MAR: November 28th   (Site not responding. Last check: 2007-10-13)
Typically, oppositely moving plates form new ocean floor similarly to the way ice evolves in the arctic.
There, cracks are sealed quickly when new ice forms as seawater meets the freezing air, to use the analogy of Tuzo Wilson.
At an ocean spreading center, however, it's closer to fire than to ice.
earthguide.ucsd.edu /mar/nov28.html   (307 words)

  
 Amazon.com: "Lady Wilson": Key Phrase page   (Site not responding. Last check: 2007-10-13)
You know how devoted Lady Wilson is to the cause of women.
Everitt, the Master of Downing College, and his wife Jane, and Lord Wilson of Tillyorn, the Master of Peterhouse, and Lady Wilson, provided splendid hos- pitality and quiet space in which I was able to pull my notes together into a set...
Wilson Lady Golf Clubs for Less -- At golfio.com you'll find a large selection of Wilson Golf Clubs at discount prices.
www.amazon.com /phrase/Lady-Wilson   (520 words)

  
 [No title]   (Site not responding. Last check: 2007-10-13)
A geologist in the 1960's, by the name of Tuzo Wilson, noticed that there were straight lines of submarine volcanoes and volcanic islands in the Pacific.
These linear chains of volcanoes ran in parallel lines to each other.
The oldest islands were the northern most islands in the group.
volcano.und.nodak.edu /vwdocs/vwlessons/lessons/Hot_Spot/Hot_Spot2.html   (135 words)

  
 J. TUZO WILSON MEDAL   (Site not responding. Last check: 2007-10-13)
The CGU solicits nominations for the J. Tuzo Wilson Medal.
The Union gives this award annually to recognize scientists who make outstanding contributions to Canadian geophysics.
Nominations should be submitted by March 1, 2007, for award given in May, 2007, at the CGU annual scientific meeting.
www.cgu-ugc.ca /medal/intro.html   (118 words)

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