1-20 OF 61 RESULTS FOR

Birkhill Shale

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
( a ) SHRIMP zircon ages for two analytical sessions of <span class="search-highlight">Birkhill</span> <span class="search-highlight">Shale</span>, mou...
Published: 01 December 2000
F ig . 2. ( a ) SHRIMP zircon ages for two analytical sessions of Birkhill Shale, mount Z16. ( b ) Age vs. grain for between-session duplicates, Birkhill Shale.
Image
Kerned probability-density plot for all SHRIMP ages from the <span class="search-highlight">Birkhill</span> <span class="search-highlight">Shale</span>...
Published: 01 December 2000
F ig . 4. Kerned probability-density plot for all SHRIMP ages from the Birkhill Shale.
Image
Typical graptolites at the Ordovician-Silurian boundary of northwestern Eur...
Published: 01 July 2009
, Eisteddfa, Wales - Gurig; 2: Specimen GB 48bis a 1 , Birkhill Shales, Dob’s Linn; 3: Specimen TCH 102 a 6 , Želkovice Formation, Belec; 4: Specimen SAR 2 e 26 , Genna Muxerru Formation, Monte Cortghiana Becciu; 5: Specimen GB 51 f 1 , Birkhill Shales, Dob’s Linn; 6: Specimen GB 51 h 2 , Birkhill Shales
Journal Article
Published: 01 June 2003
Scottish Journal of Geology (2003) 39 (1): 17–28.
... in the Moffat Shale Group (Birkhill Shale Formation) at the western end of the Ettrick Valley and at Dob’s Linn, and is also known from a mudstone interbed in turbidite sandstones to the north of the Megget Dam. Its associates include Torquigraptus magnificus (Přibyl & Münch), recorded for the first time...
FIGURES | View All (4)
Journal Article
Published: 01 June 2003
Scottish Journal of Geology (2003) 39 (1): 71–85.
...Anna Chopey-Jones; Mark Williams; Jan Zalasiewicz Synopsis The surviving type material of Campograptus lobiferus ( M’Coy, 1850 ) from the convolutus Biozone (mid-Llandovery) of the Birkhill Shales Formation is redescribed. The material is from the Moffat and Beattock Bridge district of the Southern...
FIGURES | View All (8)
Journal Article
Published: 01 September 1952
Geological Magazine (1952) 89 (5): 365–368.
...Isles Strachan Abstract Re-examination of specimens labeled Monograptus runcinatus from the Upper Birkhill shales, Glenkiln Burn, Dumfriesshire, Scotland, now in the collections of the Birmingham University, shows them to belong to Diversograptus, not previously recorded in Great Britain. Study...
Image
Camera lucida  drawings. ( A )  Metabolograptus sibericus  ( Obut 1955 ), h...
Published: 01 November 2011
) Avitograptus avitus ( Davies 1929 ), topotype, Dob's Linn, 1.6–1.65 m above base of Birkhill Shale, ascensus Biozone, GLAHM 131711; ( C ) Avitograptus aff. avitus ( Davies 1929 ), Dob’s Linn, Scotland, 1.3–1.37 m above base of Birkhill Shale, persculptus Biozone, GLAHM 131712; ( D–F, K
Image
( a ) Mixture-modelling main age  vs.  discrimination slope, for two new se...
Published: 01 December 2000
F ig . 3. ( a ) Mixture-modelling main age vs. discrimination slope, for two new sessions on Birkhill Shale zircons, mount Z1230. Agreement requires a low value for the slope. ( b ) Individual SHRIMP ages for the two Z1230 sessions.
Image
( A )-( H )  Coronograptus cyphus  (Lapworth), in the sense of his figured ...
Published: 01 June 2003
1433, long distal fragment, with proximal-most thecae apparently bearing hooked metathecae: this specimen is that figured by Elles & Wood (1911 , plate 36, fig. le) as C cyphus. ( H ) BU 1431, a specimen with traces of hooked theca proximally. Localities: all specimens are from the Birkhill
Image
(A)-(E)  Coronograptus cyphus  (Lapworth) sensu ( Elles &amp; Wood 1911 ). ...
Published: 01 June 2003
GSM 95280, figured Elles & Wood (1911 , fig. 236a). Localities: (A)-(C) from the Birkhill Shale Formation, Moffat Shale Group, cyphus graptolite Biozone, Dob's Linn, near Moffat, southern Scotland; (D) and (E) Rheidol Gorge, Wales (see Jones 1909 ). Magnifications: (A)-(C) ×5; (D
Journal Article
Published: 01 June 2003
Scottish Journal of Geology (2003) 39 (1): 89–96.
... 1433, long distal fragment, with proximal-most thecae apparently bearing hooked metathecae: this specimen is that figured by Elles & Wood (1911 , plate 36, fig. le) as C cyphus. ( H ) BU 1431, a specimen with traces of hooked theca proximally. Localities: all specimens are from the Birkhill...
FIGURES
Journal Article
Journal: Geology
Published: 18 May 2020
Geology (2020) 48 (8): 777–781.
... expression of the north-bank stratotype. After removing weathered surfaces, we collected 62 samples (seven bentonites) from 2-cm-thick layers through 25.5 m of the Upper Hartfell Shale and the Birkhill Shale. We collected 10 further samples at the stratotype itself (55°25′46.799″N, 3°16′16.977″W) to fill a 2...
FIGURES | View All (4)
Image
( A )-( J )  Huttagraptusl praematurus  (Toghill 19686). ( A ) topotype, pr...
Published: 01 June 2003
the type horizon and locality of Huttagraptusl praematurus; ( H ) and ( I ) from the Slate Quarry Beds, Little River Group, Pomeroy, Northern Ireland; ( J ) from the Birkhill Shale Formation, Dumfriesshire, NGR [NY 0626 9496]; ( K ) and ( L ) from the type horizon and locality of Huttagraptus
Image
Comparative material of  Campograptus lobiferus  (M'Coy)  (D)-(L)  and  Sti...
Published: 01 June 2003
, NGR [NT 1188 0165], horizon 1, sedgwickii Biozone, of Williams et al. (2003 ); (C) Pot Burn, Ettrick Valley, NGR [NT 1188 0165], horizon 3, sedgwickii Biozone, of Williams et al. (2003 ); (D) Washy Burn, NGR [NT 1188 0165], convolutus Biozone; (E) Birkhill Shales Formation, old
Journal Article
Published: 01 August 1997
Journal of the Geological Society (1997) 154 (4): 709–718.
... Toghill P. The graptolite assemblages and zones of the Birkhill Shales (Lower Silurian) at Dobb's Linn Palaeontology 1968 11 654 668 Wang K. Orth C.J. Attrep M. Jr. Chatterton B.D.E. Wang X. Li J. The great latest Ordovician extinction on the South China Plate...
Journal Article
Published: 01 April 2006
Scottish Journal of Geology (2006) 42 (1): 59–64.
... with claystones and a few fossiliferous black seams (horizons 8-12) ( Toghill 1968 ). The 1.89 m section excavated corresponds to horizons 19-21 of Toghill's (1968) stratigraphic log through the Birkhill Shale of Dob's Linn. The first excavated section comprised an initial 100 cm of barren grey mudstone...
FIGURES
Journal Article
Published: 01 December 1979
Journal of the Geological Society (1979) 136 (6): 755–770.
.... A. Drake C. L. Trench Slope Model The Geology of Continental Margins 1974 New York Springer-Verlag 249 60 Toghill P. The graptolite assemblages and zones of the Birkhill Shales (Lower Silurian) at Dobb's Linn Palaeontology 1968 11 654 68 Toghill P. Highest Ordovician...
Image
Torquigraptus  from upper Aeronian strata of Scotland.  (A)–(F)  and  (K)–(...
Published: 01 June 2003
) and (D) Pot Burn, horizon 1 (Fig. la, locality 2), sedgwickii Biozone; (L) and (M) Little Smid Hope (Fig. 1a, locality 1), halli Biozone; (G) Duftkinnel, north of Glenhall, 7.5 miles (12 km) NNW of Lochmaben (c. NGR [NY 060 957]), convolutus or sedgwickii Biozone; (H)–(J) Birkhill
Journal Article
Published: 01 July 2009
Bulletin de la Société Géologique de France (2009) 180 (4): 353–367.
..., Eisteddfa, Wales - Gurig; 2: Specimen GB 48bis a 1 , Birkhill Shales, Dob’s Linn; 3: Specimen TCH 102 a 6 , Želkovice Formation, Belec; 4: Specimen SAR 2 e 26 , Genna Muxerru Formation, Monte Cortghiana Becciu; 5: Specimen GB 51 f 1 , Birkhill Shales, Dob’s Linn; 6: Specimen GB 51 h 2 , Birkhill Shales...
FIGURES | View All (7)
Journal Article
Published: 01 August 1990
Journal of the Geological Society (1990) 147 (4): 619–622.
... of the Birkhill Shales (Lower Silurian) at Dobb’s Linn Palaeontology 1968 11 654 658 Warren P. T. The sequence and correlation of graptolite faunas from the Wenlock-Ludlow rocks of North Wales Memoire du Bureau des Recherches geologiques et Minieres 1971 73 451 460 Wood E. M. R...