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Glenfinnan Group

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Journal Article
Published: 01 May 2012
Scottish Journal of Geology (2012) 48 (1): 47–59.
... of sedimentary carbon in the Glenfinnan Group pelitic gneiss occurred in response to changes in both temperature and pressure arising from a series of regional metamorphic events. Scavenging of carbon by metamorphic fluids generated during amphibolite-grade metamorphism associated with the youngest, possibly...
FIGURES | View All (16)
Journal Article
Published: 01 February 1998
Journal of the Geological Society (1998) 155 (1): 13–24.
... in the Vendian. Two major rift-basins are inferred, each of half-graben type, controlled by east-facing normal faults. The earlier Morar Group basin received a thick fill of dominantly shallow-marine arkosic sandstones, the Upper Morar Psammite forming a major regressive sequence. The Glenfinnan Group consists...
Journal Article
Published: 01 July 2003
Journal of the Geological Society (2003) 160 (4): 555–564.
... that the Sgurr Beag Thrust, a major tectonic break separating the Morar and Glenfinnan groups of the Moine, is mainly of Neoproterozoic, not Caledonian, age. The early tectonothermal event was succeeded by the Grampian Phase (Caledonian orogeny) at 460–470 Ma. Fig. 3.  Geology of part of the western...
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Detrital zircon age patterns for ( a ) Loch Eil <b>Group</b>, ( b ) <b>Glenfinnan</b> Gro...
Published: 01 January 2008
Fig. 7.  Detrital zircon age patterns for ( a ) Loch Eil Group, ( b ) Glenfinnan Group and ( c ) Morar Group (Altnaharra Formation) ( Friend et al . 2003 ; Cawood et al . 2004 ), ( d , e ) Torridon Group ( Rainbird et al . 2001 ) and ( f ) Stoer Group ( Rainbird et al . 2001
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Stratigraphy of the Torridonian sequence and Morar <b>Group</b> in Northern Scotla...
Published: 01 January 2008
Fig. 2.  Stratigraphy of the Torridonian sequence and Morar Group in Northern Scotland (all thicknesses are approximate; units higher than the Glenfinnan Group not shown). ( a ) Torridonian sequence in NW Highlands; ( b ) Morar Group in Northern Highlands; ( c ) Torridonian sequence on Skye; ( d
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Plot of thickness of thermal subsidence sediments vs. time for a variety of...
Published: 01 September 2001
Figure 3. Plot of thickness of thermal subsidence sediments vs. time for a variety of thicknesses of associated rift deposits (curves with boxed values). The Glenfinnan Group comprises some 2 km of pelites. This value intersects the curve for the 6.7 km of associated Morar Group rift deposits
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Time-space plot of age constraints on principal Neoproterozoic metasediment...
Published: 01 March 2015
zircon age of 980 ± 4 Ma for youngest detrital grain in Morar Group, Moine Nappe; 5—this paper, U-Pb zircon age of 899 ± 51 Ma for youngest detrital grain in Glenfinnan Group, Moine Nappe; 6— Kirkland et al. (2008) , U-Pb magmatic zircon overgrowth age of 842 ± 20 Ma on detrital Morar Group zircon, Moine
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U&#x2F;Pb concordia plot for detrital zircons. ( a ) S97&#x2F;21, Morar <b>Group</b>, Moine ...
Published: 01 March 2003
Fig. 2.  U/Pb concordia plot for detrital zircons. ( a ) S97/21, Morar Group, Moine Nappe, heavy mineral band, Cnoc Eilig, NC 549609; ( b ) S00/05, Lochailort pelite, Glenfinnan Group, Sgurr Beag Nappe; road cutting east of electricity substation, NM 771828. Data are presented as 1 σ error boxes.
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Field sketches of pegmatites intruding Moine sedimentary rocks in the vicin...
Published: 01 March 2015
of the Loch Eil Group and carries a variable but generally well-developed S2 fabric. (B) Pegmatite exposed on shores of loch (NH 10151 11456) intrusive into pelitic gneisses of the Glenfinnan Group.
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Probability plots comparing detrital zircon ages from lithostratigraphic un...
Published: 01 March 2015
., 2008 ); Glenfinnan Group (this paper; Friend et al., 2003 ; Kirkland et al., 2008 ); Loch Eil Group and Glen Urquhart succession ( Cawood et al., 2004 ); East Sutherland migmatites ( Friend et al., 2003 ; as modified by Cawood et al., 2004 ); and Badenoch Group ( Cawood et al., 2003 ).
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Crossplot showing CO 2  (mol%) against N 2  (mol%) for fluid inclusions in ...
Published: 01 May 2012
Fig. 13. Crossplot showing CO 2 (mol%) against N 2 (mol%) for fluid inclusions in veins from the Moine, Dalradian and Old Red Sandstone datasets. Veins dominated by N 2 (mol% > 1) are quartz veins associated with graphitic lithologies (Dalradian) and with Glenfinnan Group rocks in Glen
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Generalized geological cross-section across the SW Moine drawn approximatel...
Published: 06 March 2008
) the local emergence of Glenfinnan Group rocks adjacent to the Great Glen Fault (see Fig. 1 ).
Series: Geological Society, London, Special Reports
Published: 01 January 1994
DOI: 10.1144/SR22.3
EISBN: 9781786202857
... Glenfinnan Group ?) adjacent to Great Glen Fault (May et al. unpubl.); V, According to recent studies (Bruce-Gardener pers. comm.), the large Lewisian sheet seen at Glen Orrin (e.g. Tobisch et al. 1970) appears to lie in the footwall of the Sgurr Beag Thrust and not the hanging wall as inferred...
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Proposed emplacement model for the Clunes Tonalite. ( a ) Early sinistral m...
Published: 01 September 2001
at the Glenfinnan Group–Loch Eil Group boundary, possibly due to rheological contrast. A site of extension initiates as movement of rocks northeast of the stick‐point is stalled. Tonalite migrates upwards along the GGFZ and flows laterally into the developing extensional void to form, at least in part
Journal Article
Published: 01 March 2003
Journal of the Geological Society (2003) 160 (2): 247–257.
...Fig. 2.  U/Pb concordia plot for detrital zircons. ( a ) S97/21, Morar Group, Moine Nappe, heavy mineral band, Cnoc Eilig, NC 549609; ( b ) S00/05, Lochailort pelite, Glenfinnan Group, Sgurr Beag Nappe; road cutting east of electricity substation, NM 771828. Data are presented as 1 σ error boxes. ...
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Probability density distribution diagram comparing analysed detrital zircon...
Published: 01 September 2004
of the Glen Banchor Succession of the Grampian Highlands, from psammite of the Morar Group of the Moine Nappe, from Caledonian migmatites and granites of the Naver Nappe in North Sunderland, and from the West Highland granite gneiss and a Glenfinnan Group pelite of the Sgurr Beag Nappe. Dashed vertical lines
Journal Article
Published: 06 October 2021
Journal of the Geological Society (2021) jgs2021-054.
... orogenesis at c. 960–920 Ma. The newly named Loch Ness Supergroup consists of the Glenfinnan, Loch Eil and Badenoch groups of the Scottish mainland, deposited c. 900–870 Ma and are assigned to Megasequence 2. These units record Knoydartian orogenesis c. 820–725 Ma. The regionally extensive Dalradian...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 1987
GSA Bulletin (1987) 98 (5): 497–506.
... in the Northern Highlands which lie above the Sgurr Beag thrust, that is, those previously assigned to the Glenfinnan or Loch Eil divisions, should be referred to a single tectonostratigraphic unit, the Sgurr Beag nappe. The Glenfinnan and Loch Eil divisions have the status of lithostratigraphic groups within...
Journal Article
Published: 01 December 1999
Journal of the Geological Society (1999) 156 (6): 1153–1162.
...IAN L. MILLAR Abstract Pre-tectonic metagabbroic rocks emplaced into the Glenfinnan and Loch Eil groups of the Moine Supergroup give a U–-Pb zircon age of 873 ± 6 Ma. This new age for the metagabbros confirms the absence of Grenvillian ( c. 1.0 Ga) tectonic events in the Moine assemblage...
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Stratigraphic correlation charts of the <b>Glenfinnan</b>–Loch Eil–Badenoch <b>groups</b>...
Published: 06 October 2021
Fig. 7. Stratigraphic correlation charts of the Glenfinnan–Loch Eil–Badenoch groups – Loch Ness Supergroup. References to columns: Mull:   Holdsworth et al. (1987) ; Glenfinnan : Johnstone et al. (1969) ; Strachan (1985) ; Glen Dessary / Loch Quoich:   Roberts et al. (1984 , 1987