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Harker, Alfred

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Series: Geological Society, London, Memoirs
Published: 01 January 2002
DOI: 10.1144/GSL.MEM.2002.025.01.06
EISBN: 9781862394001
.... 75–89). It is interesting to consider whether Marr’s views on this matter were partly derived from his association with Alfred Harker (1859–1939). Born at Kingston upon Hull, son of a corn merchant, Harker studied at St John’s Cambridge from 1878 to 1883, reading mathematics and physics, but also...
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Series: Geological Society, London, Memoirs
Published: 01 January 2002
EISBN: 9781862393981
...) and the Bishop Green Cup, and was appointed to the position of Temporary Demonstrator in Petrology at the Sedgwick Museum, under the supervision of Alfred Harker (1859-1939; FRS, 1902), Reader in Petrology. Phillips was also elected to membership of the Geologists’ Association in May 1922. The following year he...
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Journal Article
Published: 01 August 1993
Journal of the Geological Society (1993) 150 (4): 611–624.
.... This review presents some of the historical background to the subject and attempts to summarize some of the more recent developments. Alfred Harker’s perceptive study of in-situ crystallization within a high-level intrusion (Carrock Fell in the English Lake District), published in volume 50 of the Quarterly...
Journal Article
Published: 01 February 1962
American Mineralogist (1962) 47 (1-2): 175–176.
...), by Alfred Harker; 8th Revised Edition (1960), Cambridge University Press, viii+283 pages, 99 figures, paper bound, $1.95. Copyright © 1962 by the Mineralogical Society of America 1962 Mineralogical Society of America ...
Journal Article
Published: 01 October 1999
Earth Sciences History (1999) 18 (2): 295–320.
... in the theory of their origin. 2 Four years later, Alfred Harker (1859–1939) noted that recent opinion about igneous petrology had revolved about two central ideas, one of which concerned “the production under proper conditions of various rock types from one original rock-magma,” an indication...
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A sample of Darwin’s “Notes on the Geology of the Beagle Voyage. ” This is ...
Published: 01 April 1996
been made by Alfred Harker. See text for a discussion of Darwin’s observations at Bahia. By permission of the syndicates of Cambridge University Library.
Journal Article
Published: 01 April 2021
Geochemical Perspectives (2021) 10 (1): 141–144.
..., 78, 87, 88, 95, 96, 98, 114, 123, 131 Drake, Mike 22, 55 121, 122, 131, 133, 137 Duhem s theorem 50 Greenwood, Hugh VI, 25, 69, 70, 78, 134 E H Elphick, Steven 23, 24, 131 Hafner, Stephen 51, 134, 139 equilibrium constant VIII, 32, 33, 37, 38, Harker, Alfred 31, 134 heat 40, 44, 45, 47, 50, 99, 100...
Journal Article
Published: 01 June 2009
Scottish Journal of Geology (2009) 45 (1): 59–68.
... and polished sections prepared from the material (many initiated by Alfred Harker (1859–1939)) supplement the original hand specimens and provide a rich source of material for petrological investigation from rarely visited and more rarely geologically sampled locations. Finally, a handwritten annotated...
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Journal Article
Published: 01 December 1951
American Mineralogist (1951) 36 (11-12): 833–850.
...Alfred J. Frueh, Jr. Abstract From a complete diffraction record of a single crystal of claudetite taken by equi-inclination Weissenburg and Precession techniques, the unit cell dimensions were confirmed as: a = 5.25 Å, b = 12.87 Å, c =4.54 Å, β = 93°49′. The cell contains four AS 2 O 3 . Due...
Journal Article
Published: 01 April 1996
Earth Sciences History (1996) 15 (1): 49–67.
... been made by Alfred Harker. See text for a discussion of Darwin’s observations at Bahia. By permission of the syndicates of Cambridge University Library. ...
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Journal Article
Published: 01 April 2015
Earth Sciences History (2015) 34 (1): 1–22.
...; elected F. R. S. 1890; President of the Geological Society of London 1900–1902; Director of the Geological Survey 1901–1914; knighted 1916 (Flett 1925; Oldroyd 2004a). 48 Alfred Harker (1859–1939): an “outstanding figure among British petrologists” (Flett 1940, p. lxix)—graduated from...
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Journal Article
Published: 01 June 2006
Mineralogical Magazine (2006) 70 (3): 342–343.
... as, Alfred Harker, J.E. Richey and their contemporaries prepared the ground for the major expansion of interest on the area after the Second World War. The resulting plethora of PhD theses and scientific papers is reflected in the significantly increased number of references in the 4 th edition, the vast...
Journal Article
Published: 01 December 2003
The Canadian Mineralogist (2003) 41 (6): 1525–1526.
..., the subject was treated qualitatively by Alfred Harker in his lucidly written and beautifully illustrated text, Metamorphism , published in 1932, and thermodynamically by Hans Ramberg in the 1950s in an opaque text that few ever were able to understand. Petrogenesis of Metamorphic Rocks opens...
Journal Article
Published: 01 August 2017
American Mineralogist (2017) 102 (8): 1588–1596.
...-Reingold force-directed network ( Fruchterman and Reingold 1991 ; Csardi and Nepusz 2006 ), representing 36 major rock-forming minerals that occur in holocrystalline intrusive igneous rocks, as described in Alfred Harker's classic Petrology for Students ( Harker 1964 ). Mineralogical descriptions of 77...
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Journal Article
Published: 01 October 2009
Earth Sciences History (2009) 28 (1): 1–31.
... Of the original nineteen geological specimens collected by Darwin on Isla Santiago, eighteen are currently stored at the Museum and one specimen (3274) is missing. It was catalogued by the Cambridge petrologist Alfred Harker but was not mentioned in his thin-section list or in the work of Richardson (1933...
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Journal Article
Published: 01 July 1999
The Journal of Geology (1999) 107 (4): 421–432.
... of a single original magma.” In Scotland, Alfred Harker was involved in mapping and petrographic studies of several shallow intrusive complexes on the Isle of Skye. The age relations between rocks of contrasting composition in these complexes had become the subject of hot controversy among previous...
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Journal Article
Published: 01 April 2012
Earth Sciences History (2012) 31 (1): 1–49.
... displace the old and believed that their thorough piece of work would be of “real value in simplifying the science of petrography”. Alfred Harker (1859–1939), a Lecturer (later Reader) at the University of Cambridge, was arguably England’s premier petrologist at the turn of the twentieth century...
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Journal Article
Published: 01 October 1986
Earth Sciences History (1986) 5 (2): 114–123.
.... Later chemically orientated geologists such as David Forbes in the 1860’s and Alfred Harker in the 1880’s and 90’s deplored this situation. Forbes (1868) expressed sorrow that while in other aspects of geology Britain was in the forefront of research, she was far behind in the study of chemical geology...
Journal Article
Published: 01 January 1999
The Journal of Geology (1999) 107 (1): 133–134.
... Isles of Inverness-shire, southwest of Skye, Scotland, United Kingdom. Nineteenth-century geologist-cum-naturalists recognized that Rum contained the roots of a central volcano that had infiltrated Precambrian and Jurassic rocks. Alfred Harker defined “allivalite” and “harrisite” rock types...
Journal Article
Published: 01 April 1986
Earth Sciences History (1986) 5 (1): 39–49.
... ABSTRACT The earliest coherent observations of metamorphic phenomena in Australia were made by a police-magistrate, stationed in a remote part of Victoria and largely self-taught in geology. In a series of reports and papers issued between 1875 and 1892 that magistrate, Alfred William Howitt...
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