Lyell, the Geikies and Croll's observations on terrestrial glacial sediments and landforms

Rose, James. 2021 Lyell, the Geikies and Croll's observations on terrestrial glacial sediments and landforms. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 112 (3-4). 261-274. https://doi.org/10.1017/S1755691021000116

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Official URL: http://dx.doi.org/10.1017/S1755691021000116

Abstract/Summary

Within the context of the work and achievements of James Croll, this paper reviews the records of direct observations of glacial landforms and sediments made by Charles Lyell, Archibald and James Geikie and James Croll himself, in order to evaluate their contributions to the sciences of glacial geology and Quaternary environmental change. The paper outlines the social and physical environment of Croll's youth and contrasts this with the status and experiences of Lyell and the Geikies. It also outlines the character and role of the ‘Glasgow School’ of geologists, who stimulated Croll's interest into the causes of climate change and directed his focus to the glacial and ‘interglacial’ deposits of central Scotland. Contributions are outlined in chronological order, drawing attention to: (i) Lyell's high-quality observations and interpretations of glacial features in Glen Clova and Strathmore and his subsequent rejection of the glacial theory in favour of processes attributed to floating icebergs; (ii) the significant impact of Archibald Geikie's 1863 paper on the ‘glacial drift of Scotland’, which firmly established the land-ice theory; (iii) the fact that, despite James Croll's inherent dislike of geology and fieldwork, he provided high-quality descriptions and interpretations of the landforms and sediments of central Scotland in order to test his theory of climate change; and (iv) the great communication skills of James Geikie, enhanced by contacts and evidence from around the world. It is concluded that whilst direct observations of glacial landforms and sediments were critical to the long-term development of the study of glaciation, the acceptance of this theory was dependent also upon the skills, personality and status of the Geikies and Croll, who developed and promoted the concepts. Sadly, the subsequent rejection of the land-ice concept by Lyell resulted in the same factors challenging the acceptance of the glacial theory.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1017/S1755691021000116
ISSN:	1755-6910
Date made live:	28 Jun 2022 11:32 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/532813

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1017/S1755691021000116

ISSN:

1755-6910

Date made live:

28 Jun 2022 11:32 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/532813