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...in deep Badcallian basement structures, followed by exposures of Inverian, Laxfordian and later deformation events. | Badcallian, Inverian and Laxfordian deformation events of the North-west Highlands; Granulite-to greenschist-fa ...

[[File:P593114.jpg|thumbnail|Coarse-grained, essentially undeformed Laxfordian granite sheet cutting across gneisses with a strong Inverian foliation, [NC ...eisses, large mafic bodies within the Lewisian, a Pre-cambrian shear zone, Laxfordian granites. ...

...suggested that there was a considerable time gap between the Scourian and Laxfordian, and therefore gave them the status of major divisions of the Lewisian Comp ...t the Inverian episode was closer in deformational style to the succeeding Laxfordian than to the preceding Badcallian, and suggested that the Badcallian and Inv ...

...d ultrabasic bands, lenses and clots. The gneisses are very similar to the Laxfordian rocks around Loch Torridon and are generally considered to be part of the s ...(see p.19). Park ''(in ''Lyon and others, 1973) has, however, argued that Laxfordian deformation persisted for much longer on the mainland than on Rona, the lat ...

...of the Western Lewi sian have Scourian affinities and show little, if any, Laxfordian effects — or at least none clearly separable from the later Caledonian over ...ouse (1983) discuss the possibility that it is a much modified part of the Laxfordian Lewisian basement, including originally dacitic supracrustal igneous rock. ...

...nding. The age of the main pseudotachylite formation is thought to be late Laxfordian (Fettes and others, in press; but see Sibson, 1975) but the mylonite format ...

...facies) gneisses of diverse origin, while the later event gave rise to the Laxfordian Complex, in which Scourian rocks have been reconstructed by tectonism and m ...n episode being at around 1700 Ma (younger dates of down to 1100 Ma in the Laxfordian Complex probably represent local cooling ages). ...

...lages ± garnet demonstrating that they were subject to amphibolite-facies (Laxfordian) metamorphism (e.g. O’Hara, 1961a). The thinner dyke (''c''.0.75m) is expos ...and associated metamorphism affect the Scourie Dykes, they are of presumed Laxfordian age. The gneisses at Geodh’ Eanruig [NC 142 442] are cut by a largely undef ...

...ed by pervasive deformation and amphibolite­facies metamorphism during the Laxfordian Event that peaked about 1700 Ma. Later retrogression, movement along shear ...t and throughout all of Rona. These gneisses were strongly reworked by the Laxfordian Event and are similar to those found in the Torridon area of the mainland. ...

| colspan="4" | Rubha Ruadh (Laxfordian) granites Scourie Dyke Swarm ...southern districts of the complex were reworked at high temperatures (the Laxfordian orogeny). ...

The grade of the Lewisian metamorphism (Scourian and Laxfordian) in the Foreland rocks is discussed in Chapter 2. Post-Lewisian metamorphis ...

...mplex, showing grey tonalitic gneisses cut by black Scourie Dykes and pink Laxfordian granite. (Photograph: © K. M. Goodenough) ]] ...sheets has been dated at ''c''.1855 Ma (Friend and Kinny, 2001); these are Laxfordian granites, similar to those seen on the south side of the Laxford Shear Zone ...

...rian and Inverian events, the other is Palaeoproterozoic and comprises the Laxfordian events. The two episodes were separated by the intrusion of a regional dyke ...

Locality 2.3 Little-deformed Scourie Dyke and localised Laxfordian dextral shear. [NC 0570 2512] Locality 2.5 Faulted margin of the Laxfordian Canisp Shear Zone. [NC 0575 2551] ...

...te facies metamorphic assemblages. They are cross-cut by, presumably, late Laxfordian (Palaeoproterozoic) granitic pegmatites. At the northern end of the plateau ...

Bailey, E. B. 1951. Scourie dykes and Laxfordian metamorphism. ''Geol. Mag., ''Vol.88, 153–165. ...Burns, D. J. 1966. Chemical and mineralogical changes associated with the Laxfordian metamorphism of dolerite dykes in the Scourie–Loch Laxford area, Sutherland ...

...r major crustal addition of mantle material at about 1800 Ma, although the Laxfordian tectonothermal cycle resulted in reworking of the Lewisian at about that ti ...

...eply-dipping Lewisian basement gneisses that were strongly reworked in the Laxfordian event. Kinny & Friend (1997) reported a U-Pb zircon age of ''c.''2680 Ma fo ...