1-20 OF 27 RESULTS FOR

South Charnwood Diorite

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Photomicrographs of principal lithologies.  (A)  <b>South</b> <b>Charnwood</b> <b>Diorite</b>, f...
Published: 01 May 2012
Fig. 3. Photomicrographs of principal lithologies. (A) South Charnwood Diorite, from Bradgate No.3 quarry. (B) Feldspar-lithic arenite of the Stable Pit Member (at Locality 3), with detrital SCD grain showing granophyric texture (‘gr’). (C) Thin section of phyllonite from the ductile shear
Journal Article
Published: 01 May 2012
Proceedings of the Yorkshire Geological Society (2012) 59 (1): 37–51.
...Fig. 3. Photomicrographs of principal lithologies. (A) South Charnwood Diorite, from Bradgate No.3 quarry. (B) Feldspar-lithic arenite of the Stable Pit Member (at Locality 3), with detrital SCD grain showing granophyric texture (‘gr’). (C) Thin section of phyllonite from the ductile shear...
FIGURES | View All (8)
Journal Article
Published: 01 April 1998
Journal of the Geological Society (1998) 155 (2): 401–411.
... sandstones at the base of the Brand Hills Formation contain purple pelite clasts comparable with underlying lithologies, plus clasts of weathered diorite showing granophyric textures identical to those seen in the enigmatic South Charnwood Diorites. Nd–Sm isotope studies confirm the geochemical similarity...
Journal Article
Published: 01 December 1981
Journal of the Geological Society (1981) 138 (6): 643–651.
... are the South Charnwood diorites which are late Precambrian or early Cambrian (Meneisy & Miller 1965). The South Leicestershire diorites have been dated as late Ordovi- cian (Pidgeon & Aftalion 1978). Igneous sills of Or- dovician age were also intruded into the Cambrian and Tremadocian sediments...
Journal Article
Published: 01 November 2012
Proceedings of the Yorkshire Geological Society (2012) 59 (2): 137–144.
... petrographically identical to the ‘markfieldite’ of Charnwood Forest (‘South Charnwood Diorite’ of Worssam & Old 1988 ), which is intruded into the fossil-bearing Maplewell Group strata, but its Precambrian age is confirmed by the observation that it is overlain with erosional unconformity by the Hartshill...
FIGURES | View All (4)
Journal Article
Published: 01 April 1975
Journal of the Geological Society (1975) 131 (2): 203–212.
...S. J. CRIBB Abstract The south Leicestershire diorites and the Charnwood southern diorites give Rb-Sr isochron ages of 546 ± 22 m.y. and 552 ± 58 m.y., respectively, indicating a late Precambrian to Cambrian age of emplacement. Their respective initial 87 Sr/ 86 Sr ratios of 0.7056 ± 0.0001...
Journal Article
Published: 01 August 1987
Journal of the Geological Society (1987) 144 (4): 661–670.
... outcropping in ' Charnwood form a structurally complex basement surface deepening to the NE beneath the Carboniferous of the Widmerpool Gulf (Fig. l). The basement has been intruded by the Caledonian Mountsorrel gabbro-diorite-granodiorite complex seen outcropping approximately 3 km to the east of Charnwood...
Series: AAPG Memoir, AAPG Memoir
Published: 01 January 1969
DOI: 10.1306/M12367C6
EISBN: 9781629812274
... and migmatite in County Wexford, North Wales, south Pembrokeshire, and the Malverns. These rocks are intruded by cross-cutting soda-granite bodies in County Wexford, Anglesey, and Lleyn; diorite and granite in south Pembrokeshire may be of this gen-eration. In the Malverns the gneiss was intruded by syenite...
Journal Article
Published: 08 September 2017
Proceedings of the Yorkshire Geological Society (2018) 62 (1): 16–35.
... sandstones and conglomerates, with interbedded red-grey palaeosols exhibiting highly distinctive ‘pseudogley’ fabrics indicative of emergent episodes. The unit may have been deposited in a localized, possibly fault-controlled basin and was in part sourced from the Precambrian volcanic terrain of Charnwood...
FIGURES | View All (10)
Series: Geological Society, London, Geology of Series, Geological Society, London, Geology of Series
Published: 01 January 2006
DOI: 10.1144/GOEWP.2
EISBN: 9781862393882
... in the Charnwood Forest area. These are geochemically and texturally distinct from one another. The earlier North Charnwood Diorites are geochemically similar to the upper part of the Charnian volcanic succession, being of basic composition, whereas the later South Charnwood Diorites ‘Markfieldite...
FIGURES | View All (14)
Journal Article
Journal: GSA Bulletin
Published: 01 January 2015
GSA Bulletin (2015) 127 (1-2): 250–265.
... of diorites that record the terminal phase of Charnian magmatism. The North Charnwood Diorites are medium to coarse grained and form subvertical sheets up to 60 m thick within the Blackbrook Reservoir and Beacon Hill Formations. The South Charnwood Diorites are coarser-grained, have a granophyric texture...
FIGURES | View All (7)
Journal Article
Published: 01 May 2002
Journal of the Geological Society (2002) 159 (3): 323–339.
... unconformably by the Lower Cambrian (Tommotian) Hartshill Quartzite. The later of the two plutonic suites (granophyric diorite or markfieldite) has been dated (U–Pb zircon) at 603 ± 2 Ma ( Tucker & Pharaoh 1991 ). In Charnwood Forest the sequence is more complex but more extensive. The Charnian Supergroup...
FIGURES | View All (18)
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2015
GeoArabia (2015) 20 (1): 99–156.
... in rapid basinal subsidence and the deposition of coarse-grained, polymict conglomerates (Saramuj Formation) in predominantly proximal, but evolving to more distal, alluvial fan settings. The early extensional basin appears to have been orientated approximately north-south (depocentre to the west) and can...
FIGURES | View All (40)
Series: Geological Society, London, Special Reports, Geological Society, London, Special Reports
Published: 01 January 1994
DOI: 10.1144/SR22.10
EISBN: 9781786202857
... distinct suites of dioritic rocks intrude the Charnian Supergroup. Volumetrically dominant are numerous bodies of granophyric diorite and granodiorite exposed in Bradgate Park and in large quarries at Markfield, Groby and Cliffe Hill in south Charnwood. These Southern Diorites (or markfieldites) occur...
Journal Article
Published: 01 February 1979
Journal of the Geological Society (1979) 136 (1): 13–19.
... Precambrian rocks in Wales and SE Ireland Geol. Mag 1969 106 249 59 Baker J. W. The Proterozoic history of southern Britain Proc. Geol. Ass 1971a 82 249 66 Baker J. W. Bassett D. A. Bassett M. G. The Precambrian rocks of Pembrokeshire Geological excursions in South...
Journal Article
Published: 01 June 1991
Journal of the Geological Society (1991) 148 (3): 435–443.
... and geochemically similar to the markfieldite or Southern Diorite suite that occurs throughout the Charnwood area as a series of massive, laccolith-like intrusions emplaced prior to development of penetrative cleavage. A minimum age can be assigned to the Charnian Supergroup based on the Rb-Sr whole-rock date...
Series: Geological Society, London, Geology of Series, Geological Society, London, Geology of Series
Published: 01 January 2006
DOI: 10.1144/GOEWP.3
EISBN: 9781862393882
... Abstract >The Early Palaeozoic history of England and Wales was substantially influenced by the separation of Avalonia from Gondwana and its subsequent migration towards Laurentia. At the start of the Early Palaeozoic, the vast palaeocontinent of Gondwana straddled the South Pole...
FIGURES | View All (47)
Journal Article
Journal: Clay Minerals
Published: 01 March 2006
Clay Minerals (2006) 41 (1): 309–354.
... and also penetrating joints in the underlying diorite: it may occur also in the basal conglomerate at Newhurst Quarry (Shepshed). Taylor (1983) mentions that palygorskite occurs in the Fould Member of the Trent Formation in Staffordshire and South Nottinghamshire but provides no XRD or other data...
FIGURES | View All (30)
Journal Article
Published: 01 April 2002
Mineralogical Magazine (2002) 66 (2): 301–311.
... one of a series of dioritic laccoliths, the South Charnwood diorites, near the junction of the Maplewell and Brand members of the (Precambrian) Charnian Series of pyroclastic and epiclastic rocks ( Sylvester-Bradley and Ford, 1968 ). The South Charnwood diorites crop out in an arc between Brodgate...
FIGURES
Journal Article
Published: 01 May 1984
Journal of the Geological Society (1984) 141 (3): 521–536.
... ~ Stanner-Hanter Complex Malvernian Complex Johnston Complex St Davids granophyre Coedana granite Mona Complex meta- morphism (1) Mona Complex igneous event (2) Eastern Uriconian volca- nic rocks Rushton schist Ercall granophyre Charnwood S diorites S Leicestershire diorites Mountsorrel granite Sarn complex...