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Rum Layered Suite

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( A ) Schematic cartoon of a magma chamber, based on the <b>Rum</b> <b>Layered</b> <b>Suite</b> ...
in > Elements
Published: 01 December 2017
Figure 1 ( A ) Schematic cartoon of a magma chamber, based on the Rum Layered Suite (NW Scotland), illustrating some important processes that operate in these systems. Reproduced from Emeleus and Bell (2005) with permission of the British Geological Survey. ( B ) Gently dipping rhythmically
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Grayscale QEMSCAN ®  image of the Unit 7–8 boundary, <b>Rum</b> <b>Layered</b> <b>Suite</b>. The...
Published: 01 January 2016
Figure 4 Grayscale QEMSCAN ® image of the Unit 7–8 boundary, Rum Layered Suite. The ~2 mm thick chromitite seam running east–west across the image separates overlying Unit 8 feldspathic peridotite from the underlying Unit 7 anorthosite. The different silicate minerals are not distinguished
Journal Article
Published: 01 May 2007
Journal of the Geological Society (2007) 164 (3): 529-539.
... texturally immature cumulates have lower medians, inherited by the interstitial phase, which infills either an impingement texture in the accumulating mush or a texturally equilibrated pore topology. Textural observations of allivalites from the Rum Layered Suite demonstrate that stratigraphically localized...
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Journal Article
Published: 11 December 2008
Geological Magazine (2008) 146 (3): 419-436.
... trending 040°. Data from the younger peridotite and hybrid rocks of the Rum Layered Suite provide an in situ group mean of D = 182.6°, I = −64.8°, α 95 = 4.0°, which is statistically indistinguishable from an early Paleocene expected field, and imply no post-emplacement tilting of these rocks since...
Journal Article
Published: 27 February 2009
Geological Magazine (2009) 146 (3): 382-399.
... of the Rum Layered Suite, and for the mantle melts that caused crustal anatexis of the Lewisian gneiss. These primary mantle melts have close affinities to Mid-Oceanic Ridge Basalts (MORB), whose trace element content varies from slightly depleted to slightly enriched. Crustal anatexis is a common process...
Journal Article
Published: 01 September 2003
Geological Magazine (2003) 140 (5): 499-512.
.... The sulphide-rich dykes must have entrained a platinum-group element-rich sulphide liquid collected from a much larger volume of magma. The presence of platinum-group elements and sulphide-rich dykes with δ 34 S values between − 10.8 and − 15.0 ‰indicates that parts of the Rum Layered Suite became sulphur...
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Journal Article
Published: 01 April 1999
Journal of the Geological Society (1999) 156 (2): 213-216.
... W.J. Cawthorn R.G. The Rum Layered Suite Layered intrusions 1996 Elsevier Science 403 439 Gallagher, N.J., Basham, I.R. & 10 Others 1989. Marine deposits of chromite and olivine, Inner Hebrides of Scotland. British Geological Survey Technical Report WF/89/13, BGS Mineral...
Journal Article
Journal: Elements
Published: 01 December 2017
Elements (2017) 13 (6): 397-402.
... of the wall rocks with infiltrating, possibly hydrous, silicate melt. There is yet a third type of chromitite, namely the rare, subcentimeter- to centimeter-thick chromitite “seams” found at certain lithologic contacts in some layered intrusions, notably in the Bushveld Complex and the Rum Layered Suite...
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Journal Article
Published: 12 November 2008
Geological Magazine (2008) 146 (3): 437-450.
... Intrusion dip towards a focus along the Long Loch Fault ( Fig. 1 a), which is believed to have been the main conduit for the magmas parental to the Rum Layered Suite. The Eastern Layered Intrusion dips at about 10° to the west in the region of Hallival and Askival, but steepens to more than 40...
Journal Article
Published: 01 August 2014
Mineralogical Magazine (2014) 78 (4): 805-839.
... a 12 km elliptical ring fault (the ‘Main Ring Fault’, MRF), with remnants of an early felsic stage of volcanic activity (Stage 1, Table 1 ), cross-cut by basic and ultrabasic intrusions that comprise the famous Rum Layered Suite (Stage 2). During Stage 1, central uplift and subsidence on the arcuate...
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Journal Article
Published: 25 March 2009
Geological Magazine (2009) 146 (3): 368-381.
... to shallow crustal levels. In the early stages this will involve heating of the crust due to the accretion of mantle melts at depth. The Rum volcano displays an episode of early felsic magmatism which preceded the formation of the mafic and ultramafic layered suite (Emeleus, 1997 ). These early felsic...
Journal Article
Published: 01 May 2008
Journal of the Geological Society (2008) 165 (3): 651-659.
... for the layered ultrabasic suite, which cross-cuts both the rhyodacites and microgranites of the early felsic phase. Fig. 7.  Time line showing the age of the Rum rhyodacites (including the three age peaks obtained and the weighted mean apparent age), and existing ages from Rum and the Small Isles...
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Journal Article
Published: 01 May 2001
Proceedings of the Yorkshire Geological Society (2001) 53 (3): 167-175.
... of the igneous breccias and felsites that form the mountainous region on the southern side of the layered suite; Wadsworth's (1961) account of the more massive layered ultrabasic rocks and gabbros in SW Rum. The area assigned to Dunham was the northern counterpart of Hughes' (1960) study area...
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Journal Article
Published: 01 January 2003
Journal of the Geological Society (2003) 160 (1): 15-27.
... magmatism with a granitic body intruded during doming and uplift within a ring fault (the Main Ring Fault). Subsequent caldera-forming collapse was followed by further central uplift and emplacement of a layered series of ultramafic and mafic rocks. This Central Layered Suite was emplaced predominantly...
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Journal Article
Published: 01 July 2002
Geological Magazine (2002) 139 (4): 437-452.
... of the three picritic samples. MRF, Main Ring Fault. WLS, Western Layered Series. CS, Central Series. ELS Eastern Layered Series. LLF, Long Loch Fault. Sample collection sites indicated by stars. Numerous authors have debated the composition of the magmas from which the Rum layered complex crystallized...
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Journal Article
Published: 25 March 2009
Geological Magazine (2009) 146 (3): 400-418.
... and the Southern Mountains Zone ( Fig. 1 b). The later basic–ultrabasic Layered Suite of Rum forms the island's core, and in several places truncates the Main Ring Fault. Apart from some Triassic sedimentary rocks in the island's NW corner (Bailey, 1945 ; Emeleus, 1997 ), country rocks outside the Main Ring...
Journal Article
Published: 01 May 2002
Scottish Journal of Geology (2002) 38 (1): 55-61.
... ( Tilley 1944 ; Bailey 1945 , Emeleus 1997 ). Its importance as a contaminant has been demonstrated for several units of the Layered Ultrabasic Suite (e.g. Palacz & Tait 1985 ; Tepley et al. 2000 ). From geological relationships Emeleus (1997 ) inferred that rocks of the Moine Supergroup were...
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Journal Article
Journal: Economic Geology
Published: 01 March 2004
Economic Geology (2004) 99 (2): 257-277.
...A. J. McCready; E. F. Stumpfl; J. H. Lally; M. Ahmad; R. D. Gee Abstract The Rum Jungle mineral field, Northern Territory, Australia, forms part of the Paleoproterozoic Pine Creek orogen. The geology of the area comprises two Archean granitic basement domes, overlain by a Paleoproterozoic sequence...
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Journal Article
Published: 01 November 2005
Scottish Journal of Geology (2005) 41 (2): 119-128.
... , P.D. 1990 . The Ordovician evolution of the South Mayo Trough, western Ireland . Tectonics , 9 , 887 – 901 . EMELEUS , C.H. , CHEADLE , M.J. , HUNTER , R.H. , UPTON , B.G.J. & WADSWORTH , W.J. 1996 . The Rum Layered Suite . In Cawthorn , R.G. (ed...
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Journal Article
Journal: Geology
Published: 06 September 2019
Geology (2019) 47 (10): 982-986.
...Nivea Magalhães; James Farquhar; Grant Bybee; Sarah Penniston-Dorland; Douglas Rumble, III; Judith Kinnaird; Matthew McCreesh Abstract The source of sulfur for sulfide mineralization is a major question for the origin of platinum group element deposits such as the Rustenburg Layered Suite (RLS...
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