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Richard Dixon Oldham information


Richard Dixon Oldham
Richard Dixon Oldham
Born31 July 1858 (1858-07-31)
Dublin
Died15 July 1936 (1936-07-16) (age 77)
NationalityBritish
Known formeasuring Earth's core; separate arrival of seismic phases
Scientific career
FieldsGeology

Richard Dixon Oldham FRS (/ˈldəm/; 31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals of P-waves, S-waves and surface waves on seismograms and the first clear evidence that the Earth has a central core.

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Richard Dixon Oldham

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Richard Dixon Oldham FRS (/ˈoʊldəm/; 31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals...

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Richard Oldham

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Richard Oldham (priest) (1814–1889), Scottish Episcopalian priest Richard Dixon Oldham (1858–1936), British geologist This disambiguation page lists articles...

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Seismology

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consists of a mantle of silicates, surrounding a core of iron. In 1906 Richard Dixon Oldham identified the separate arrival of P-waves, S-waves and surface waves...

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Geological Survey of India

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transport, oil reserves, and ore deposits, when Sir Thomas Oldham, father of Richard Dixon Oldham, broadened the ambit of the scope of functioning of the...

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Royal School of Mines

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mountaineer, oxygen officer for the 1924 British Mount Everest expedition. Richard Dixon Oldham FRS, Irish geologist who first identified seismic p- and s-waves...

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Seismic wave

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observation that the Earth has a liquid outer core, as demonstrated by Richard Dixon Oldham. This kind of observation has also been used to argue, by seismic...

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Jaisalmer Formation

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deposits. The formation was first identified and defined by geologist Richard Dixon Oldham in 1886. Dinosaur remains are among the known fossils recovered from...

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1897 Assam earthquake

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crevasse. The Assam Bengal Railway was severely damaged.: 295–298  Richard Dixon Oldham, the Superintendent of the Geological Survey of India, analysed seismic...

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Planetary core

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a core. The first detection of Earth's core occurred in 1906 by Richard Dixon Oldham upon discovery of the P-wave shadow zone; the liquid outer core....

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Thomas Oldham

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Benedict Medlicott coined the term "Gondwana Series" in 1872. Oldham's elder son Richard Dixon Oldham distinguished three types of pressure produced by earthquakes:...

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1900 in science

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Rydberg refines the expression for observed hydrogen line wavelengths. Richard Dixon Oldham distinguishes between primary, secondary and tertiary waveforms as...

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Calcutta Time

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"Odds and Ends". Indian Railways Fan Club. Retrieved 3 June 2013. Richard Dixon Oldham (1899). Report of the Great Earthquake of 12th June, 1897. Office...

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Archimedes Palimpsest

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reconciliation of the Suter board with this Codex board was published by Richard Dixon Oldham, FRS, in Nature in March, 1926, sparking an Ostomachion craze that...

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Inge Lehmann

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du Bureau Central Séismologique International. A14 (3): 87–115. Richard Dixon Oldham List of geophysicists Timeline of women in science "Lehmann; Inge...

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Bengal Presidency

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5 September 2015.{{cite magazine}}: CS1 maint: unfit URL (link) Richard Dixon Oldham (1899). Report of the Great Earthquake of 12th June, 1897. Office...

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July 31

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1854 – Arthur Barclay, 15th president of Liberia (d. 1938) 1858 – Richard Dixon Oldham, English seismologist and geologist (d. 1936) 1858 – Marion Talbot...

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Timeline of fluid and continuum mechanics

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Marian Smoluchowski, supporting the atomic theory of matter. 1906 – Richard Dixon Oldham identifies the separate arrival of p-waves, s-waves and surface waves...

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List of presidents of the Geological Society of London

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1916–1918 Alfred Harker 1918–1920 George William Lamplugh 1920–1922 Richard Dixon Oldham 1922–1924 Albert Seward 1924–1926 John William Evans 1926–1928 Francis...

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Lyell Medal

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1906 Frank Dawson Adams 1907 (John) Joseph Frederick Whiteaves 1908 Richard Dixon Oldham 1909 Percy Fry Kendall 1910 Arthur Vaughan 1911 Francis Arthur Bather...

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List of geophysicists

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(SEG) Abel Idowu Olayinka (Nigerian, 1958– ) – applied geophysicist Richard Dixon Oldham (British, 1858–1936) – seismologist, first clear evidence for separate...

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List of fellows of the Royal Society elected in 1911

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Ernest Dixon Frederick George Donnan Edmond Herbert Grove-Hills William Henry Lang John Beresford Leathes Edward Alfred Minchin Robert Muir Richard Dixon Oldham...

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List of fellows of Imperial College London

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Frecheville Sir Ralph Freeman Sir Thomas Holland Herbert Alfred Humphrey Richard Dixon Oldham Sir William (Jackson) Pope James Whitehead Sir Herbert Wright President...

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List of 1970s Christian pop artists

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and da) David and the Giants Mike Deasy DeGarmo and Key Dino Dion Jessy Dixon Phil Driscoll Roby Duke Bob Dylan Evie Don Francisco Found Free Aretha Franklin...

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Michael Rooker

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Portrait of a Serial Killer (1986), and is best known for starring as Merle Dixon in the AMC series The Walking Dead (2010–2013) and as Yondu Udonta in Guardians...

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Brian Jones

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fourteen tracks that were composed by the entire band and Andrew Oldham.[citation needed] Oldham tried to establish a songwriting partnership between Jones...

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List of Brookside characters

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Oldham 1988 John Garner Edward Arthur 1982 Geoff Gee John Jardine 1983 Donna Gibson Dianne Michaels 1988 Terry Gibson Greg Milburn 2002–2003 Richard Gill...

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The Rolling Stones

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1963, Oldham and Easton arranged the band's first big UK concert tour as a supporting act for American stars, including Bo Diddley, Little Richard, and...

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