The Moine Supergroup of NW Scotland : insights into the analysis of polyorogenic supracrustal sequences

Strachan, R.A.; Holdsworth, R.E.; Krabbendam, M.; Alsop, G.I.. 2010 The Moine Supergroup of NW Scotland : insights into the analysis of polyorogenic supracrustal sequences. In: Law, R.D.; Butler, R.W.H.; Holdsworth, R.E.; Krabbendam, Maarten; Strachan, R.A., (eds.) Continental tectonics and mountain building : the legacy of Peach and Horne. London, UK, Geological Society of London, 233-254. (Geological Society Special Publications, 335).

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The Moine Supergroup of NW Scotland is a thick sequence of early Neoproterozoic sedimentary rocks, with minor igneous intrusions, that display evidence for multiple phases of regional deformation and metamorphism. The descriptions and interpretations of the ‘Moine Schists’ provided by the 1907 memoir (Peach et al. 1907) have been proved to be essentially correct and have laid the groundwork for a century of distinguished and influential research that has reached far beyond the confines of NW Scotland. The Survey workers recognized the sedimentary protoliths of these rocks, realized that they had been deposited unconformably on inliers of reworked basement gneisses that now occupy the cores of major folds, and understood the likely complexity of folding and the kinematic significance of mineral lineations. Further advances in understanding of the Moine rocks were mainly achieved through two techniques that were not available to the Survey workers of 100 years ago – geochronology and palaeomagnetism. Isotopic studies have confirmed the view of the Survey workers that the Moine rocks are of Precambrian age, and furthermore have demonstrated a complex, polyorogenic history.

Item Type: Publication - Book Section
Digital Object Identifier (DOI):
Programmes: BGS Programmes 2010 > Geology and Landscape (Scotland)
ISBN: 9781862393004
NORA Subject Terms: Earth Sciences
Date made live: 13 Aug 2010 09:22 +0 (UTC)

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