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Lealt Shale Formation

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Journal Article
Published: 28 June 2018
Scottish Journal of Geology (2018) 54 (2): 87-97.
...John D. Hudson; Matthew I. Wakefield Abstract The Lonfearn Member, Lealt Shale Formation, is a distinctive unit within the Great Estuarine Group in the Middle Jurassic of the Inner Hebrides, Scotland. Its dominant lithology of fine-grained, partly laminated mudstone marks it out as a time...
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Geological sketch map of the <b>Lealt</b> <b>Shale</b> <b>Formation</b> outcrop, North Shore, Ei...
Published: 28 June 2018
Fig. 4. Geological sketch map of the Lealt Shale Formation outcrop, North Shore, Eigg ([Grid Ref. NM 472 907 to 473 907]; locality m on Fig. 2 ).
Journal Article
Published: 01 February 1999
Petroleum Geoscience (1999) 5 (1): 83-92.
... between 0.5 and 2.5%, but reach up to 3-4% in dark-coloured non-bioturbated shales within the Bearreraig Sandstone Formation and Lealt Shales Formation, and 6-8% in the Staffin Bay Formation. Hydrogen indices (HI) are mostly below 300, increasing to 400-500 in the aforementioned organic-rich intervals...
Journal Article
Published: 01 October 2008
Scottish Journal of Geology (2008) 44 (2): 139-150.
...N. D. L. Clark; M. K. Brett-Surman Synopsis Measurements of Middle Jurassic tridactyl dinosaur tracks from the Bathonian, Lealt Shale, Valtos Sandstone, Duntulm and Kilmaluag formations of the Isle of Skye, UK, are compared to the same measurements taken for dinosaur footprints from the Bajocian...
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Journal Article
Published: 03 May 2019
Scottish Journal of Geology (2019) 55 (1): 7-19.
... are among the rarest discoveries. We here report two new isolated theropod teeth, from the Valtos Sandstone Formation and Lealt Shale Formation of Skye, which we visualized and measured using high-resolution x-ray computed microtomographic scanning (µCT) and identified via statistical and phylogenetic...
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Journal Article
Published: 02 April 2018
Scottish Journal of Geology (2018) 54 (1): 1-12.
... tracksite found in the Lealt Shale Formation (Bathonian) of the Great Estuarine Group at Rubha nam Brathairean (Brothers' Point) on Skye. The site preserves an abundance of small sauropod manus and pes prints and several isolated and broken medium-to-large tridactyl footprints. The main site occurs...
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Figure 4. Detailed schematic log of type section of Kildonnan Member, <b>Lealt</b>...
Published: 01 October 2003
Figure 4. Detailed schematic log of type section of Kildonnan Member, Lealt Shale Formation, near Kildonnan, Eigg, showing fossil bed numbers and lithologies (modified from Hudson et al., 1995 ). Paleosalinities are calculated from Sr material balance considerations as described in text.
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Mean shapes of landmark data of footprints: (a) Kilmaluag <b>Formation</b>; (b) Va...
Published: 01 October 2008
Fig. 9. Mean shapes of landmark data of footprints: (a) Kilmaluag Formation; (b) Valtos Sandstone Formation; (c) Duntulm Formation; (d) large footprints from Valtos Sandstone Formation and Lealt Shale Formation; (e) Sundance Formation; (f) Gypsum Springs Formation.
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Graph showing the relationship between the divarication angle and the ratio...
Published: 01 April 2004
Fig. 8. Graph showing the relationship between the divarication angle and the ratio between the length of digit III and the length of the track (pIII.FL) of the tracks from the Duntulm Formation, the Valtos Sandstone Formation (see Fig. 7 ) and the Lealt Shale Formation.
Journal Article
Published: 01 April 2004
Scottish Journal of Geology (2007) 40 (1): 13-21.
...Fig. 8. Graph showing the relationship between the divarication angle and the ratio between the length of digit III and the length of the track (pIII.FL) of the tracks from the Duntulm Formation, the Valtos Sandstone Formation (see Fig. 7 ) and the Lealt Shale Formation. ...
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Log of interval containing the K-bentonite bed and associated strata at NG ...
Published: 01 November 2012
Fig. 3. Log of interval containing the K-bentonite bed and associated strata at NG 553 211. Prior to intrusion of tholeiitic basalt sill the K-bentonite protolith would have been in contact with the Mid-Jurassic Lealt Shale Formation.
Journal Article
Published: 01 November 2005
Scottish Journal of Geology (2005) 41 (2): 97-104.
... preservation ( Cohen et al. 1991 ). Fig. 2. Locality maps. ( A ) The locations of the previous dinosaur footprint discoveries on Skye are marked with crosses (1 to 3) along the eastern coastline of the Trotternish peninsula. Location 1, Lonfearn Member, Lealt Shale Formation; Location 2, Valtos...
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Journal Article
Published: 01 October 2014
Scottish Journal of Geology (2014) 50 (2): 183-190.
... and a possible vertebra from the Lealt Shale Formation ( Hudson 1966 ; Andrews & Hudson 1984 ); theropod trackways and an isolated vertebra and humerus of an indeterminate sauropod from the Valtos Formation ( Clark et al . 1995 ; Liston 2004 ; Marshall 2005 ); dinosaur footprints from the Duntulum...
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Typical dinosaur footprints from the Middle Jurassic of the Isle of Skye: (...
Published: 01 October 2008
Fig. 7. Typical dinosaur footprints from the Middle Jurassic of the Isle of Skye: (a) from the Lealt Shale Formation of Rubha nam Brathairean (scale bar 10 cm); (b) from the Valtos Sandstone Formation at Dun Dearg (scale bar 2 cm); (c) from the Duntulm Formation at An Corran (scale bar 10 Cm); (d
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Locality maps. ( A ) The locations of the previous dinosaur footprint disco...
Published: 01 November 2005
Fig. 2. Locality maps. ( A ) The locations of the previous dinosaur footprint discoveries on Skye are marked with crosses (1 to 3) along the eastern coastline of the Trotternish peninsula. Location 1, Lonfearn Member, Lealt Shale Formation; Location 2, Valtos Sandstone Formation; Location 3
Series: Geological Society, London, Special Publications
Published: 01 January 2001
DOI: 10.1144/GSL.SP.2001.188.01.03
EISBN: 9781862394360
... thick) pass up into the brackish water-lagoonal Cullaidh Shale Formation at the base of the Great Estuarine Group. The Great Estuarine Group comprises three upward-regressive cycles with the brackish–lagoonal Cullaidh Formation shales, the lagoonal Lealt Formation and the marine–brackish–lagoonal...
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(a) Photograph showing the intruded basal section below the Skye Main Lava ...
Published: 15 May 2017
Figure 6. (a) Photograph showing the intruded basal section below the Skye Main Lava Series at Neist Point. (b) Interpreted section displaying key intrusive emplacement features. The sills were intruded in a mixed clastic sedimentary succession of the Jurassic Lealt Shale Formation
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Graph showing the relationship between the divarication angle and the lengt...
Published: 01 April 2004
Fig. 7. Graph showing the relationship between the divarication angle and the length to width ratio of the third digit (pIII:wIII) of the dinosaur tracks from the Valtos Sandstone Formation, the Duntulm Formation and the Lealt Shale Formation. The Valtos Sandstone Formation is split into those
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Map showing the regional setting of the Isle of Skye. The lava sequences ex...
Published: 15 May 2017
succession is located on the east coast. The stratigraphic section comprises Middle Jurassic sedimentary rocks of the Lealt Shale Formation. Cretaceous rocks are not present within the Neist Point and Camas Ban sections because of uplift and erosion within the study area. Simplified map lithostratigraphy
Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2009
DOI: 10.1144/TMS003.10
EISBN: 9781862396210
... by Hudson (1966) , in what was to become the Kildonnan Member of the Lealt Shale Formation ( Harris & Hudson 1980 ). Kilenyi (1972) reported Theriosynoecum (now Theriosynoecum conopium Wakefield & Athersuch, 1990 ), Darwinula and Cytheridea? from the Kilmaluag Formation. Andrews (1984...
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