measuring Earth's core; separate arrival of seismic phases
Scientific career
Fields
Geology
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 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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RichardDixonOldham FRS (/ˈoʊldəm/; 31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals...
consists of a mantle of silicates, surrounding a core of iron. In 1906 RichardDixonOldham identified the separate arrival of P-waves, S-waves and surface waves...
transport, oil reserves, and ore deposits, when Sir Thomas Oldham, father of RichardDixonOldham, broadened the ambit of the scope of functioning of the...
mountaineer, oxygen officer for the 1924 British Mount Everest expedition. RichardDixonOldham FRS, Irish geologist who first identified seismic p- and s-waves...
observation that the Earth has a liquid outer core, as demonstrated by RichardDixonOldham. This kind of observation has also been used to argue, by seismic...
deposits. The formation was first identified and defined by geologist RichardDixonOldham in 1886. Dinosaur remains are among the known fossils recovered from...
crevasse. The Assam Bengal Railway was severely damaged.: 295–298 RichardDixonOldham, the Superintendent of the Geological Survey of India, analysed seismic...
Benedict Medlicott coined the term "Gondwana Series" in 1872. Oldham's elder son RichardDixonOldham distinguished three types of pressure produced by earthquakes:...
Rydberg refines the expression for observed hydrogen line wavelengths. RichardDixonOldham distinguishes between primary, secondary and tertiary waveforms as...
"Odds and Ends". Indian Railways Fan Club. Retrieved 3 June 2013. RichardDixonOldham (1899). Report of the Great Earthquake of 12th June, 1897. Office...
reconciliation of the Suter board with this Codex board was published by RichardDixonOldham, FRS, in Nature in March, 1926, sparking an Ostomachion craze that...
du Bureau Central Séismologique International. A14 (3): 87–115. RichardDixonOldham List of geophysicists Timeline of women in science "Lehmann; Inge...
5 September 2015.{{cite magazine}}: CS1 maint: unfit URL (link) RichardDixonOldham (1899). Report of the Great Earthquake of 12th June, 1897. Office...
1854 – Arthur Barclay, 15th president of Liberia (d. 1938) 1858 – RichardDixonOldham, English seismologist and geologist (d. 1936) 1858 – Marion Talbot...
Marian Smoluchowski, supporting the atomic theory of matter. 1906 – RichardDixonOldham identifies the separate arrival of p-waves, s-waves and surface waves...
1916–1918 Alfred Harker 1918–1920 George William Lamplugh 1920–1922 RichardDixonOldham 1922–1924 Albert Seward 1924–1926 John William Evans 1926–1928 Francis...
1906 Frank Dawson Adams 1907 (John) Joseph Frederick Whiteaves 1908 RichardDixonOldham 1909 Percy Fry Kendall 1910 Arthur Vaughan 1911 Francis Arthur Bather...
Ernest Dixon Frederick George Donnan Edmond Herbert Grove-Hills William Henry Lang John Beresford Leathes Edward Alfred Minchin Robert Muir RichardDixon Oldham...
Frecheville Sir Ralph Freeman Sir Thomas Holland Herbert Alfred Humphrey RichardDixonOldham Sir William (Jackson) Pope James Whitehead Sir Herbert Wright President...
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...
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...
fourteen tracks that were composed by the entire band and Andrew Oldham.[citation needed] Oldham tried to establish a songwriting partnership between Jones...
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...
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...