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Loch Borralan Pluton

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Simplified geologic map of the <b>Loch</b> <b>Borralan</b> <b>pluton</b> (modified after  Gooden...
Published: 24 November 2020
Fig. 1. Simplified geologic map of the Loch Borralan pluton (modified after Goodenough & Krabbendam 2011 ) showing sample localities A–E.
Journal Article
Published: 01 January 2011
Journal of the Geological Society (2011) 168 (1): 99–114.
... of the youngest intrusions, the late suite of the Loch Borralan Pluton, at 429.2 ± 0.5 Ma, and the Loch Loyal Syenite Complex. A broadly foreland-propagating sequence of thrusting is indicated by the way in which the structurally highest thrusts are folded by the development of duplexes in their footwalls...
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Journal Article
Published: 01 April 1990
Journal of the Geological Society (1990) 147 (2): 259–269.
...M. F. THIRLWALL; P. BURNARD Abstract Pb–Sr–Nd isotope and major and trace element data are reported for a suite of samples from the Siluro–Ordovician Loch Borralan pluton, NW Scotland. Rock types ranging from pyroxenite through highly potassic melasyenites to quartz syenite were primarily generated...
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Schematic sketch illustrating the hypotheses for the genesis of the early s...
Published: 24 November 2020
Fig. 14. Schematic sketch illustrating the hypotheses for the genesis of the early suite rocks of the Loch Borralan pluton. (a) Emplacement of the basanitic, shoshonitic, or tephriphonolitic parental melt with the crystallization of the first minerals. (b) The two hypotheses for the generation
Image
Simplified geological map of the Northern Highlands, showing the main struc...
Published: 01 January 2011
Fig. 1. Simplified geological map of the Northern Highlands, showing the main structures and intrusions. Major thrusts: MT, Moine Thrust; BHT, Ben Hope Thrust; NT, Naver Thrust; SBT, Sgurr Beag Thrust. Alkaline plutons: GDP, Glen Dessarry Pluton; LBP, Loch Borralan Pluton; LAP, Loch Ailsh Pluton
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Simplified map of the Assynt Culmination, showing the major thrust structur...
Published: 01 January 2011
Fig. 2. Simplified map of the Assynt Culmination, showing the major thrust structures and the location of the Loch Ailsh and Loch Borralan plutons. CLT, Cam Loch Thrust. Dashed box indicates area of Figure 3 . Dashed line indicates location of section in Figure 4 .
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Simplified extract from the Assynt 1:50 000 geological map sheet ( British ...
Published: 01 January 2011
Fig. 3. Simplified extract from the Assynt 1:50 000 geological map sheet ( British Geological Survey 2007 ) showing the geology around the Loch Ailsh and Loch Borralan plutons. CLT, Cam Loch Thrust; ST, Sole Thrust; BMT, Ben More Thrust; MT, Moine Thrust.
Image
Simplified cross-section through the Assynt area, from  British Geological ...
Published: 01 January 2011
Fig. 4. Simplified cross-section through the Assynt area, from British Geological Survey (2007 ). The Loch Borralan pluton lies to the south of this cross-section, where it clearly cuts across the Breabag Dome.
Journal Article
Published: 01 August 2004
Mineralogical Magazine (2004) 68 (4): 716.
... geological map showing access routes and 1:25,000 maps of five of the shorter walks (Knockan Crag, Traligill Caves, the Bone Caves, Clachtoll and Achmelvich). After a brief introduction to the rocks exposed in the area (including the only mention of the syenites of the Loch Ailsh and Loch Borralan plutons...
Journal Article
Published: 01 April 2006
Scottish Journal of Geology (2006) 42 (1): 77–81.
... Belt, the Ross of Mull pluton appears to cut the Moine Thrust, and has been dated at 414 ± 4 Ma ( Halliday et al. 1979 ). In the Assynt area ( Fig. 1 ), the Loch Borralan pluton has been dated at 430 ± 4 Ma, using the U-Pb method on zircons ( Van Breemen et al. 1979 ). Although exposures...
FIGURES
Journal Article
Published: 24 November 2020
The Canadian Mineralogist (2020) 58 (5): 597–623.
...Fig. 1. Simplified geologic map of the Loch Borralan pluton (modified after Goodenough & Krabbendam 2011 ) showing sample localities A–E. ...
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Journal Article
Published: 01 August 2004
Mineralogical Magazine (2004) 68 (4): 541–559.
... are the alkaline Loch Borralan and Loch Ailsh syenite plutons. The Loch Borralan Pluton is in part silica undersaturated and highly potassic ( Woolley, 1970 ) whereas all units at Loch Ailsh are silica saturated and relatively sodic ( Parsons, 1965 ). Both plutons are Silurian in age: the Loch Borralan Pluton has...
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Journal Article
Published: 01 August 1987
Journal of the Geological Society (1987) 144 (4): 611–617.
.... The linear distribution of the alkaline complexes to the west of the calc-alkaline plutons, and the ultra-potassic character of the Loch Borralan complex (the most westerly), are consistent with, but do not prove, generation related to a W-dipping subduction zone. The persistence of the magmatism, over 30 Ma...
Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2010
DOI: 10.1144/SP335.18
EISBN: 9781862395831
... with intrusion of the Loch Ailsh pluton and initiation of the Moine and Ben More Thrusts; (2) structural relationships around the Borralan intrusion, particularly the nature of its basal and lateral margins (intrusive or thrust-ramp); (3) the structural relationships of the Cam Loch and Benn Fhuarain klippen...
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Journal Article
Journal: Geosphere
Published: 14 May 2021
Geosphere (2021) 17 (4): 1126–1150.
..., that transported the whole complex westward above the Sole thrust sheet. Goodenough et al. (2011) also interpreted the ages of the Loch Ailsh pluton and the early suite of Borralan syenite (430.7 ± 0.5 Ma) as indicating emplacement before or during thrusting, and the late suite of Borralan (429.2 ± 0.5 Ma) as post...
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Journal Article
Published: 01 December 1994
Journal of the Geological Society (1994) 151 (6): 945–954.
... there is divergence of view as to whether the source was in the mantle lithosphere (Halliday et al. 1987), or the deep asthenosphere (Thompson & Fowler 1986), and uncertainty as to the role of crustal components (Thirlwall & Burnard 1990). Loch Borralan is a member of a line of alkaline plutons, all within 20 km...
Journal Article
Published: 22 February 2013
Geological Magazine (2013) 150 (5): 783–800.
... of a wider suite of high Ba–Sr plutons that occur across the Northern Highlands (Tarney & Jones, 1994 ). Petrographically, these igneous complexes can be divided into a western zone (syenite-dominated complexes, e.g. Glen Dessarry, Loch Loyal, Loch Borralan and Loch Ailsh...
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Journal Article
Published: 01 May 2001
Journal of the Geological Society (2001) 158 (3): 521–534.
... syenite, which occupies the core of a steeply plunging synform and is syntectonic with its development ( van Breemen et al. 1979; Roberts et al. 1984). This pluton shows the typical chemical characteristics of several other syenites in the region, at Loch Loyal (426 Ma, Wenlock), Loch Borralan (430...
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Journal Article
Published: 01 May 2012
Scottish Journal of Geology (2012) 48 (1): 73–76.
... formations and illustrations with some photographs, stratigraphic logs, cross-section and diagrams are useful supplements. The igneous rocks of the area are covered in a short section, with a table analysing the constituent units of the Loch Borralan and Loch Ailsh plutons, and the dykes and sills...
Journal Article
Published: 01 July 2006
Journal of the Geological Society (2006) 163 (4): 579–582.
... Mitteilungen , 54 , 641 . Parsons , I. & McKirdy , A.P. 1983 . The inter-relationship of igneous activity and thrusting in Assynt, excavations at Loch Borralan . Scottish Journal of Geology , 19 , 59 – 67 . Roberts , D. , 2003 . The Scandinavian Caledonides: event...
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