Janet Watson—An Appreciation and Bibliography
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Downloaded from http://sp.lyellcollection.org/ by guest on September 30, 2021 Janet Watson an appreciation and bibliography D. R. Bowes With the passing of Professor Janet Vida Watson favourite topics, the migmatites of Sutherland, FRS the earth sciences in the U.K., and through- an aspect of which was the subject of her first out the world, lost one of its most distinguished publication. He then directed her and her and well known personalities. For while Janet contemporary as a research student, John Sutton, Watson spent most of her academic career in to parts of the Lewisian complex of NW Scotland London, at Imperial College (after graduation where there were abundant migmatitic and with a First Class General Honours degree at igneous rocks. This, together with the research Reading University in 1943), she was known being done by Professor W. S. Pitcher and others throughout the world not only for her exceptional at Imperial College on the granitic rocks of gift of clear and persuasive exposition both at the Donegal, was to test and apply the concepts of lecture bench and the committee table, but also place and time in plutonism enunciated by as a major contributor to the advancement of the Professor Read in his Presidential Addresses to earth sciences. Her death on 29 March 1985, at the Geological Society of London in 1948 and the age of 61, brought to an untimely end a 1949. The young research workers went to the distinguished career which had seen many hon- rocks of NW Scotland from which B. N. Peach, ours showered on her. The Geological Society of J. Horne, C. T. Clough and other members of a London, which had elevated her to the office of distinguished team from the Geological Survey President in 1982-84, had previously awarded had developed ideas that had made such a big her, jointly with her husband (Professor John impact on geological thinking at the turn of the Sutton FRS) both the Lyell Fund (1954) and the century. However, despite such a daunting Bigsby Medal (1965). They also honoured her prospect, both Ph.D. theses were accepted in the with the Lyell Medal (1973) as they had her father summer of 1949, just in time for a wedding, and (Professor D. M. S. Watson FRS) nearly 40 years a honeymoon in the Channel Islands, a venue previously. The Edinburgh Geological Society that accounts for a publication about the Isle of 9awarded her the Clough Medal (1980), she was Sark that does not appear to be cognate to their President of Section C of the British Association main body of published work. For the next three for the Advancement of Science (1972), elected a decades, there flowed from their pens a succession Fellow of the Royal Society of London (1979) and of publications that had a profound impact on a member of its Council and Vice-President (1983 geological thinking and the direction of research, until her death). To the various offices she held, particularly in basement complexes, both in the Janet brought the directness, the precision and UK and abroad. Many were under the authorship the liveliness of mind she had shown in one of of J. Sutton and J. Watson, but in 9 years, as the very first offices she had held as an earth her husband progressively became more involved scientist, that of a steward at the 18th Interna- in administrative matters, more of Janet's publi- tional Geological Congress held in London, at cations were her own, or with other authors, Imperial College, in 1948--'Tell John (later to be including a succession of research students and her husband) 1 .... 2 ... and 3 ...', with each officers of the British Geological Survey with part of the message clearly and precisely stated. whom she worked on a number of projects. Yet perhaps it was not in the professional The initiationof the partnership, both scientific societies, congresses and committees where she and personal, had really taken place in 1948 received most recognition, but in the student when, after separate field studies at Scourie-Loch societies throughout the country. They consist- Laxford (J. W.) and Torridon (J. S.), and joint ently put her at the top of their lists of speakers studies in the former area with their supervisor, to be invited, and she consistently responded by they set off by bicycle (on roads that seemed to using her talent of clear, precise and persuasive consist largely of blocks of Torridonian conglom- exposition to excite as well as instruct many a erate) to look at other parts of the Lewisian budding earth scientist. complex, particularly around Gruinard Bay. They It was Scotland that provided Janet with the tested their conclusions that the complex con- outdoor laboratory that she loved the most. The tained the products of two separate orogenic initial choice was that of her teacher, mentor and episodes (Scourian and Laxfordian) and that co-author of a number of books, Professor H. H. chronological subdivision could be made using Read FRS, who first set her to study one of his basic dykes as time markers. From: PARK, R. G, & TARNEY, J. (eds), ! 987, Evolution of the Lewisian and Comparable Precambrian High Grade Terrains, Geological Society Special Publication No. 27, pp. 1-5. Downloaded from http://sp.lyellcollection.org/ by guest on September 30, 2021 2 D.R. Bowes Of all the many papers Janet published, there her at the time. An illustration of such a catalytic is no doubt that the resulting publication (1951) effect is in the field of structural geology. with her husband had the greatest impact on Following the work that Janet and her husband geology in Britain. Not that the basis used for had done on the Moine rocks and Moine- subdividing the Lewisima complex, or the pro- Lewisian relationships in northern Scotland in posed concept of wholesale reactivation of base- the early-mid 1950s, Professor John Ramsay ment, were not questioned in the discussion that FRS, who had graduated at Imperial College, followed the verbal presentation in London early was launched into research in these fields. What in 1950, and time and again subsequently. But had been initiated to further understanding of the paper set out to show that a Precambrian the geology of Scotland became a major advance 'fundamental complex' was amenable to chrono- in understanding processes of rock deformation. logical subdivision using field observations. It In turn this added to the stature of the earth also presented a model that could be tested. sciences at Imperial College and to its impact on Subsequently the ideas were 'exported' to Green- the academic community at home and abroad, land at the time of a major surge of field study, things which were constantly in the forefront of and later tested there, and in Scotland, at a stage Janet's thinking and actions. of major advancement in isotopic geochemistry. While field studies, particularly in the Lewisian While the isotopes pointed to new crustal addi- complex, were a major part of Janet's work, as tions of mantle-derived products being more instanced by the research group she supervised widespread than those resulting from wholesale in the Outer Hebrides and the help she gave to reactivation of existing basement, they clearly the initiation and carrying out of a programme of demonstrated c. 1 Ga between the Scourian and mapping there by the Geological Survey, progres- Laxfordian episodes. However to Janet the size sively she became involved in other fields, of this time gap seemed secondary to the field particularly ore genesis and regional geochemis- evidence that pointed to chronological subdivi- try. In these she worked closely with Dr. Jane sion. Intuitively she trusted rocks she could see Plant and other members of the Geological more than isotopes that she could not see and it Survey and she considered that the affinity she was to the field that she returned time and again had with the Survey partly stemmed from H. H. for evidence. It was to the field that her students Read's association with it. She was too modest to were directed first. There she imparted to them claim that her very wide field experience, her an enthusiasm to find out for themselves and her breadth of knowledge over such a wide range of own indefinable sense that rocks had 'character'. aspects of the earth sciences and her outstanding How could anyone, except someone who had ability to integrate and make a synoptic presen- spent time in the field with Janet, understand tation meant that she had a very great deal to what 'happy rocks' were ? offer co-workers. Only those who knew the earth sciences at To the world-wide earth science community Imperial College in the late 1940s can really who did not know Janet Watson personally, it appreciate the changes that took place during the will not be the conclusions of field studies in forty years she spent there. In these changes Janet Scotland by which she will be remembered played no insignifico nt role. She was part of the particularly, but the clearly thought out and research powerhouse that, initially under the elegantly written distillations of ideas and con- inspiration and guidance of H. H. Read, began cepts over a wide range of topics that embody her the major expansion of the research school, the exceptional gifts of both written and spoken great extension of the range of research interests exposition. For those who knew her, and partic- and facilities and the almost complete rebuilding ularly those who spent time in the field with her, of the accommodation.