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86 results for “Berriasian”
Fig. 5 in The Berriasian-Valanginian And Aptian Deposits From The North-Western Part Of The Piatra Craiului Massif: Stratigraphic Relationships, Facies And Depositional Environments
Fig. 5 Lower Valanginian limestones and upper Valanginian limestones/marly-limestones (enlargement view of the left area in Fig. 3a). a The unconformity between the lower Valanginian limestones and upper Valanginian limestones/marly limestones (yellow line). The thin-bedded upper Valanginian carbonate beds are lying over thick-bedded shallow-water lower Valanginian limestones. b Bioclastic intraclastic grainstone; note the presence of dissolution structures filled with vadous silt. c Peloidal bioclastic packstone with dissolution structures. d Bioclastic wackestone passing to a peloidal bioclastic packstone. e, f Peloidal bioclastic packstone, with sintaxial overgrowth cement being developed on the echinoderm plates. g Peloidal bioclastic packstone/grainstone with Lithocodium nodules. b, c, sample 12817; d, e, sample 12816; f, sample 11827; g, sample 12819. Scale bar = 1 mm (b-g).
Fig. 10 in The Berriasian-Valanginian And Aptian Deposits From The North-Western Part Of The Piatra Craiului Massif: Stratigraphic Relationships, Facies And Depositional Environments
Fig. 10 Microfacies and microfossils identified in the limestone pebbles of the Aptian breccia and conglomerates from the Drumul lui Lehman section. a Bioclastic intraclastic floatstone with intraclasts of bioclastic wackestone; the matrix contains orbitolinids, echinoderm plates and silt-sized quartz extraclast. b Intraclasts composed of fenestral wackestone and peloidal fenestral grainstone. c Pebbles originating form reefal bioconstructions. The corals are encrusted by microproblematic organisms. d Rudist fragment and sponges (chaetetids). e Pebble consisting of a peloidal bioclastic packstone with?Vercorsella sp. (indicated by the arrows). f Carbonate pebble with dissolution structures; cavities are bordered by fine crystalline, schalenoedric cements. The interior is filled with clay minerals and iron oxides. g Pebble consisting of a peloidal fenestral packstone; the fenestral structures are filled with vadous silt and sediment derived from the breccia's matrix. h Intensely dissolved carbonate clasts; the clasts and the cavities are bordered by fine crystalline, schalenoedric cement. a,
Fig. 1 in The Berriasian-Valanginian And Aptian Deposits From The North-Western Part Of The Piatra Craiului Massif: Stratigraphic Relationships, Facies And Depositional Environments
Fig. 1 Location of the Aptian deposits on the geological map of the northern part of the Piatra Craiului Massif [based on the maps 1:50000, sheets110a to 110d (Dimitrescu et al., 1971; Patrulius et al., 1971; Săndulescu et al., 1972; Dimitrescu et al., 1974), redrawn with minor changes]
FIG. 4 in First record of stegosaur dinosaur tracks in the Lower Cretaceous (Berriasian) of Europe (Oncala group, Soria, Spain)
FIG. 4. — Comparison between Deltapodus isp.and other purported stegosaur and related tracks: A, hypothetical tracks of Stegosauridae from Thulborn (1990); B, Deltapodus brodricki Whyte & Romano, 1994 from the Middle Jurassic of England (Whyte & Romano 1994); C, Stegopodus czerkasi Lockley & Hunt, 1998 from the Salt Wash Member (Late Jurassic) of the Morrison Formation (Lockley & Hunt 1998); D, Stegosaur track from the Late Jurassic of Asturias, Spain (García-Ramos et al. 2006); E, Stegosaur pes print from the Lourinhã Formation (Late Jurassic) of Portugal (Mateus & Milàn 2010; Mateus et al. 2011); F, Stegosaur track from the Late Jurassic of Asturias, Spain (García-Ramos et al. 2006); G, Deltapodus isp., MNS 2009/64 from the Huérteles Alloformation (Berriasian, Early Cretaceous) of Spain; H, Deltapodus brodricki from Brushy Basin Member (Late Jurassic) of the Morrison Formation (Milàn & Chiappe 2009); I, hypothetical tracks of Ankylosauria based on Sauropelta (modified from Carpenter et al. 1984). Scale bars: 10 cm.
FIG. 3 in First record of stegosaur dinosaur tracks in the Lower Cretaceous (Berriasian) of Europe (Oncala group, Soria, Spain)
FIG. 3. — Comparison of Deltapodus isp. (specimen MNS 2009/64) and Deltapodus brodricki Whyte & Romano, 1994 (after Whyte & Romano 1994). The arrows shows the position of digit I. The squared ones are a representation of the surfaces of feet and hands. Not to scale.
FIG. 2 in First record of stegosaur dinosaur tracks in the Lower Cretaceous (Berriasian) of Europe (Oncala group, Soria, Spain)
FIG. 2. — Holotype of Deltapodus isp. (MNS 2009/64) from the Early Cretaceous (Berriasian) of Soria (Spain): A, interpretative drawing, made from the bottom of the track, reflecting the true shape of the foot in plantar (B) and lateral (C) views. Scale bar: 2.5 cm.
Berriasian oceans self-consistent spatial discretization mesh
<p>Berriasian oceans<br> =================</p> <p>An unstructured mesh spatial discretisation of the global oceans of the Early Cretaceous Berriasian age.</p> <p>This is stored in an unstructured VTU file defined by the visualisation toolkit VTK [2].</p> <p>A state PVSM file for Paraview [3] is also provided to reproduce visualisations shown in [1]. Note that Paraview requires absolute pathnames, so it may be necessary to edit file references to the VTU file in this state file.</p> <p>Files<br> -----</p> <p>BerriasianOceans.vtu<br> BerriasianOceans.pvsm</p> <p>Author<br> ------</p> <p>Dr Adam S. Candy <a.s.candy@tudelft.nl>, <candy@cantab.net></p> <p>Technische Universiteit Delft<br> Imperial College London</p> <p>References<br> ----------</p> <p>[1] Candy, A.S., 2016. A consistent approach to unstructured mesh generation for geophysical models. In review. Preprint available at https://arxiv.org/abs/1703.08491.</p> <p>[2] The Visualization Toolkit (VTK), version 5.10.1. URL: http://www.vtk.org.</p> <p>[3] Paraview, version 4.3.1. https://www.paraview.org.</p>
FIG. 36 in Vertebrate paleobiodiversity of the Early Cretaceous (Berriasian) Angeac-Charente Lagerstätte (southwestern France): implications for continental faunal turnover at the J/K boundary
FIG. 36. — Reconstruction of the Angeac-Charente landscape, 140 Million years ago, © Mazan.
Data from: Geometric morphometric analysis applied to theropod tracks from the lower Cretaceous (Berriasian) of Spain
Geometric morphometric methods applied to theropod tracks from the Huérteles Formation (Berriasian, Spain) are here shown to be invaluable for drawing comparisons between theropod tracks with different preservation modes (true tracks, shallow undertracks and natural casts) or differing in the preservation of anatomical features (e.g. digital pads). Principal components analysis and thin-plate spline methods can quantitatively distinguish between the broad groups of tracks in a sample and establish the main differences between them. These methods offer a promising approach for estimating ichnodiversity, achieved by evaluating just the morphology of the tracks independent of other factors such as size. The theropod tracks of the Huérteles Formation can be classified into two broad groups: minute-to-medium-sized gracile theropod tracks (Kalohipus bretunensis) and medium-to-large-sized robust theropod tracks (Iberosauripus). The presence of a third group of more gracile medium-to-large-sized theropod tracks (Megalosauripus) cannot be proven with certainty on the basis of the current data. These results indicate that the theropod ichnodiversity of the Huérteles Formation is probably lower than that estimated by means of conventional methods alone (e.g. qualitative description of the tracks) and that many of the described theropod morphotypes may represent extramorphological or ontogenetic variations of other morphotypes.
Figure 18 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 18. The strict consensus tree produced by phylogenetic analysis of the updated Upchurch et al. (2004a) data set. Bootstrap values are shown as percentages (nodes lacking percentages have bootstrap values of less than 50%). Bremer supports are shown in square brackets.
Figure 17 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 17. The strict consensus tree produced by phylogenetic analysis of the updated Wilson (2002) data set. Bootstrap values are shown as percentages (nodes lacking percentages have bootstrap values of less than 50%). Bremer supports are shown in square brackets.
Figure 15 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 15. Left femur (ZH-2) of Aragosaurus ischiaticus in: A, posterior; B, medial; and C, anterior views. Features observed in the femur: D, lateral bulge; E, head deflected medially; and F, bevelling of the distal end of the femur relative to the long axis of the shaft.
Figure 14 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 14. Right ischium (ZH-3) of Aragosaurus ischiaticus in: A, posterior; B, lateral views. Fragments of the left ischium (IG 492) of Aragosaurus ischiaticus: C, D, pubic peduncle in anterior (C) and lateral (D) views; E, F, iliac peduncle in dorsal (E) and lateral (F) views.
Figure 13 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 13. Right pubis (IG 489) of Aragosaurus ischiaticus in: A, medial; B, anterior; C, lateral; D, dorsal; E, ventral; and F, posterior views.
Figure 12. Right metacarpal II in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 12. Right metacarpal II (IG 486, rmc2) of Aragosaurus ischiaticus in: A, proximal; B, medial; C, dorsal; D, ventral; E, distal; and F, lateral views.
Figure 9 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 9. Right ulna (IG 483) of Aragosaurus ischiaticus in: A, posterior, B, ventral, C, anteromedial, and D, medial views. Right radius (IG 484) of Aragosaurus ischiaticus in: E, anterior, and F, posterior views.
Figure 10 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 10. Right carpal (IG 485) of Aragosaurus ischiaticus in: A, anterior, B, posterior, C, medial, D, lateral, E, ventral, and F, dorsal views. Comparison between different carpals: G, Aragosaurus; H, Turiasaurus; and I, Losillasaurus.
Figure 11. Right metacarpal I in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 11. Right metacarpal I (IG 486, rmc1) of Aragosaurus ischiaticus in: A, lateral; B, dorsal; C, ventral; D, distal; E, medial; and F, proximal views.
Figure 8 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 8. Right humerus (IG 490) of Aragosaurus ischiaticus: A, humerus (in three portions) in anterior view; B, picture of the humerus, after Lapparent (1960), in anterior view; C, proximal portion in posterior view; D, proximal portion in lateral view.
Figure 3 in The anatomy, phylogenetic relationships, and stratigraphic position of the Tithonian-Berriasian Spanish sauropod dinosaur Aragosaurus ischiaticus
Figure 3. The 'Fault in the Zabacheras area' – Mesozoic syn-rift faults affecting the Villar del Arzobispo Formation ('Unit 2' and 'Unit 3') fossilized by the Castellar Formation ('Unit 4'). Abbreviations: U2, Villar del Arzobispo Formation dominantly carbonate facies; U3, Villar del Arzobispo Formation dominantly siliciclastic facies; U4, El Castellar Formation; U5, Camarillas Formation; ZH, Las Zabacheras site; black lines crossing U2 and U3, Mesozoic syn-rift faults; black lines perpendicular to the latter only in U2, Cenozoic faults; contact between U2 and U3, sedimentary contact; contact between units U3 and U4, unconformable contact; contact between units U4 and U5, sedimentary contact.
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