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New Dinosaur Tracksites from the Sousa Lower Cretaceous Basin (Paraíba, Brasil)
Studi Trent. Sci. Nat., Acta Geol., 81 (2004): 5-21 ISSN 0392-0534 © Museo Tridentino di Scienze Naturali, Trento 2006 New dinosaur tracksites from the Sousa Lower Cretaceous basin (Paraíba, Brasil) Giuseppe LEONARDI1* & MariadeFátimaC.F. DOS SANTOS2 1Istituto Cavansi, Dorsoduro 898, I-30123 Venezia, Italy 2Museu Câmara Cascudo, Avenida Hermes da Fonseca 1398, 59015-001 Natal – RN, Brasil *Corresponding author e-mail: [email protected] SUMMARY - New dinosaur tracksites from the Sousa Lower Cretaceous basin (Paraíba, Brasil) - During our 30th expedition to the Lower Cretaceous Rio do Peixe basins (Paraíba, Northeastern Brasil) the following new dinosaur tracksites were discovered: Floresta dos Borba (theropods, sauropods, ornithopods), Lagoa do Forno (theropods, sauropods), Lagoa do Forno II (one theropod), Várzea dos Ramos II (theropods), Várzea dos Ramos III (theropods). In the previously known sites the following new material was discovered: at Piau, a sauropod trackway; at Serrote do Letreiro a new theropod trackway; at Riacho do Cazé, some sauropod and theropod tracks; at Mãe d’Água, new sauropod, theropod and ornithopods footprints. At Fazenda Paraíso new theropod and sauropod tracks were discov- ered and a new map of the main rocky pavement including theropod tracks is provided here. The farms at Saguim de Cima, Várzea da Jurema, Tabuleiro, Catolé da Piedade (WNW of Sousa, in the Sousa Formation) and at Pau d’Arco (SE of Sousa, in the Piranhas Formation) were explored without results. RIASSUNTO - Nuove piste di dinosauri nel bacino di Sousa (Cretaceo inferiore, Paraíba, Brasile) - Durante la nostra 30ª spedizione ai bacini del Rio do Peixe (Cretaceo inferiore; Paraíba, Brasile nord orientale) sono stati sco- perti i seguenti nuovi siti con piste di dinosauri: Floresta dos Borba (teropodi, sauropodi, ornitopodi), Lagoa do Forno (teropodi, sauropodi), Lagoa do Forno II (un teropodo), Várzea dos Ramos II (teropodi), Várzea dos Ramos III (tero- podi). -
An Ornithopod Tracksite from the Helvetiafjellet Formation (Lower Cretaceous) of Boltodden, Svalbard
Downloaded from http://sp.lyellcollection.org/ at Universitetet i Oslo on January 11, 2016 The theropod that wasn’t: an ornithopod tracksite from the Helvetiafjellet Formation (Lower Cretaceous) of Boltodden, Svalbard JØRN H. HURUM1,2, PATRICK S. DRUCKENMILLER3, ØYVIND HAMMER1*, HANS A. NAKREM1 & SNORRE OLAUSSEN2 1Natural History Museum, University of Oslo, PO Box 1172, Blindern, 0318 Oslo, Norway 2The University Centre in Svalbard (UNIS), PO Box 156, 9171 Longyearbyen, Norway 3Department of Geosciences, University of Alaska Museum, University of Alaska Fairbanks, 907 Yukon Drive, Fairbanks, AK 99775, USA *Corresponding author (e-mail: [email protected]) Abstract: We re-examine a Lower Cretaceous dinosaur tracksite at Boltodden in the Kvalva˚gen area, on the east coast of Spitsbergen, Svalbard. The tracks are preserved in the Helvetiafjellet For- mation (Barremian). A sedimentological characterization of the site indicates that the tracks formed on a beach/margin of a lake or interdistributary bay, and were preserved by flooding. In addition to the two imprints already known from the site, we describe at least 34 additional, pre- viously unrecognized pes and manus prints, including one trackway. Two pes morphotypes and one manus morphotype are recognized. Given the range of morphological variation and the pres- ence of manus tracks, we reinterpret all the prints as being from an ornithopod rather than a thero- pod, as previously described. We assign the smaller (morphotype A, pes; morphotype B, manus) to Caririchnium billsarjeanti. The larger (morphotype C, pes) track is assigned to Caririchnium sp., differing in size and interdigital angle from the two described ichnospecies C. burreyi and C. -
Slater, TS, Duffin, CJ, Hildebrandt, C., Davies, TG, & Benton, MJ
Slater, T. S., Duffin, C. J., Hildebrandt, C., Davies, T. G., & Benton, M. J. (2016). Microvertebrates from multiple bone beds in the Rhaetian of the M4–M5 motorway junction, South Gloucestershire, U.K. Proceedings of the Geologists' Association, 127(4), 464-477. https://doi.org/10.1016/j.pgeola.2016.07.001 Peer reviewed version License (if available): CC BY-NC-ND Link to published version (if available): 10.1016/j.pgeola.2016.07.001 Link to publication record in Explore Bristol Research PDF-document This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at http://www.sciencedirect.com/science/article/pii/S0016787816300773. Please refer to any applicable terms of use of the publisher. University of Bristol - Explore Bristol Research General rights This document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/red/research-policy/pure/user-guides/ebr-terms/ *Manuscript Click here to view linked References 1 1 Microvertebrates from multiple bone beds in the Rhaetian of the M4-M5 1 2 3 2 motorway junction, South Gloucestershire, U.K. 4 5 3 6 7 a b,c,d b b 8 4 Tiffany S. Slater , Christopher J. Duffin , Claudia Hildebrandt , Thomas G. Davies , 9 10 5 Michael J. Bentonb*, 11 12 a 13 6 Institute of Science and the Environment, University of Worcester, Worcester, WR2 6AJ, UK 14 15 7 bSchool of Earth Sciences, University of Bristol, Bristol, BS8 1RJ, UK 16 17 c 18 8 146 Church Hill Road, Sutton, Surrey SM3 8NF, UK 19 20 9 dEarth Science Department, The Natural History Museum, Cromwell Road, London SW7 21 22 23 10 5BD, UK 24 25 11 ABSTRACT 26 27 12 The Rhaetian (latest Triassic) is best known for its basal bone bed, but there are numerous 28 29 30 13 other bone-rich horizons in the succession. -
Tectonic and Climatic Control of Triassic Sedimentation in the Beryl Basin, Northern North Sea
Journal of the Geological Society, London, Vol. 149, 1992, pp. 13-26, 12 figs, Printed in Northern Ireland Tectonic and climatic control of Triassic sedimentation in the Beryl Basin, northern North Sea L. E. FROSTICK’,T. K. LINSEY’ & I. REID2 ‘Postgraduate Research Institute for Sedimentology, The University, Reading RG6 2AB, UK 2Department of Geography, Birkbeck College, University of London, Malet Street, London WClE 7HX, UK, Abstract: The Beryl Basin (Embayment) occupies a central position along the Viking Graben of the northern North Sea and has been a hydrocarbon play since the early 1970s. Detailed analysis reveals a complex half graben that was established during a rift-phase of development that occurred in the Early Triassic (Teist Formation), after which, a long period of thermal subsidence (Lomvi and Lunde Forma- tions) provided accommodation forin excess of 1OOOm of sediment. The Teist Formation sediments are complex, they include shales, sands and conglomerates, and their superimposition on Zechstein salts is indicative of both uplift and the development of a moderate relief. They give way to the comparatively clean and occasionally pebbly sands of the Lomvi Formation,for which an analysis of both bedding and texture suggests depositionby a westerly-directed river system draining the hanging-wall ramp. The Lunde Formation records the spreading influence of a bajaddplaya complex and its eventual conversion to a more persistent lake. The growing importance and eventual dominance of the succession by lacustrine sediments gives clear indication a of change in climate, and this has been attributed to the rapid northward drift of Pangea during the Triassic period. -
A Review of Large Cretaceous Ornithopod Tracks, with Special Reference to Their Ichnotaxonomy
bs_bs_banner Biological Journal of the Linnean Society, 2014, 113, 721–736. With 5 figures A review of large Cretaceous ornithopod tracks, with special reference to their ichnotaxonomy MARTIN G. LOCKLEY1*, LIDA XING2, JEREMY A. F. LOCKWOOD3 and STUART POND3 1Dinosaur Trackers Research Group, University of Colorado at Denver, CB 172, PO Box 173364, Denver, CO 80217-3364, USA 2School of the Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China 3Ocean and Earth Science, National Oceanography Centre, University of Southampton, Southampton SO14 3ZH, UK Received 30 January 2014; revised 12 February 2014; accepted for publication 13 February 2014 Trackways of ornithopods are well-known from the Lower Cretaceous of Europe, North America, and East Asia. For historical reasons, most large ornithopod footprints are associated with the genus Iguanodon or, more generally, with the family Iguanodontidae. Moreover, this general category of footprints is considered to be sufficiently dominant at this time as to characterize a global Early Cretaceous biochron. However, six valid ornithopod ichnogenera have been named from the Cretaceous, including several that are represented by multiple ichnospecies: these are Amblydactylus (two ichnospecies); Caririchnium (four ichnospecies); Iguanodontipus, Ornithopodichnus originally named from Lower Cretaceous deposits and Hadrosauropodus (two ichnospecies); and Jiayinosauropus based on Upper Cretaceous tracks. It has recently been suggested that ornithopod ichnotaxonomy is oversplit and that Caririchnium is a senior subjective synonym of Hadrosauropodus and Amblydactylus is a senior subjective synonym of Iguanodontipus. Although it is agreed that many ornithopod tracks are difficult to differentiate, this proposed synonymy is questionable because it was not based on a detailed study of the holotypes, and did not consider all valid ornithopod ichnotaxa or the variation reported within the six named ichnogenera and 11 named ichnospecies reviewed here. -
Deraetal09neodyme.Pdf
Earth and Planetary Science Letters 286 (2009) 198–207 Contents lists available at ScienceDirect Earth and Planetary Science Letters journal homepage: www.elsevier.com/locate/epsl Water mass exchange and variations in seawater temperature in the NW Tethys during the Early Jurassic: Evidence from neodymium and oxygen isotopes of fish teeth and belemnites Guillaume Dera a,⁎, Emmanuelle Pucéat a, Pierre Pellenard a, Pascal Neige a, Dominique Delsate b, Michael M. Joachimski c, Laurie Reisberg d, Mathieu Martinez a a UMR CNRS 5561 Biogéosciences, Université de Bourgogne, 6 bd Gabriel, 21000 Dijon, France b Muséum National d'Histoire Naturelle, 25 rue Münster, 2160 Luxembourg, Luxemburg c GeoZentrum Nordbayern, Universität Erlangen-Nürnberg, Schlossgarten 5, 91054 Erlangen, Germany d Centre de Recherches Pétrographiques et Géochimiques (CRPG), Nancy-Université, CNRS, 15 rue Notre Dame des Pauvres, 54501 Vandoeuvre lès Nancy, France article info abstract Article history: Oxygen and neodymium isotope analyses performed on biostratigraphically well-dated fish remains Received 2 December 2008 recovered from the Hettangian to Toarcian of the Paris Basin were used to reconstruct variations of Early Received in revised form 17 June 2009 Jurassic seawater temperature and to track oceanographic changes in the NW Tethys. Our results indicate a Accepted 21 June 2009 strong correlation between δ18O trends recorded by fish remains and belemnites, confirming the Available online 16 July 2009 paleoenvironmental origin of oxygen isotope variations. Interestingly, temperatures recorded by pelagic fi fi Editor: M.L. Delaney shes and nektobenthic belemnites and bottom dwelling shes are comparable during the Late Pliensbachian sea-level lowstand but gradually differ during the Early Toarcian transgressive episode, Keywords: recording a difference in water temperatures of ~6 °C during the Bifrons Zone. -
Projeto Geoparques Geoparque Rio Do Peixe
PROJETO GEOPARQUES GEOPARQUE RIO DO PEIXE – PB PROPOSTA 2017 MINISTÉRIO DE MINAS E ENERGIA - MME Fernando Coelho Filho Ministro de Estado Paulo Pedrosa Secretário Executivo SECRETARIA DE GEOLOGIA, MINERAÇÃO E TRANSFORMAÇÃO MINERAL - SGM Vicente Humberto Lôbo Cruz Secretário de Geologia, Mineração e Transformação Mineral SERVIÇO GEOLÓGICO DO BRASIL - CPRM DIRETORIA EXECUTIVA Esteves Pedro Colnago Diretor-Presidente Antônio Carlos Bacelar Nunes Diretor de Hidrologia e Gestão Territorial – DHT José Leonardo Silva Andriotti Diretor de Geologia e Recursos Minerais – DGM Esteves Pedro Colnago Diretor de Relações Institucionais e Desenvolvimento – DRI Juliano de Souza Oliveira Diretor de Administração e Finanças – DAF PROGRAMA GEOLOGIA DO BRASIL LEVANTAMENTO DA GEODIVERSIDADE Departamento de Gestão Territorial – DEGET Jorge Pimentel – Chefe Divisão de Gestão Territorial – DIGATE Maria Adelaide Mansini Maia – Chefe Coordenação do Projeto Geoparques Coordenação Nacional Carlos Schobbenhaus Coordenação Regional Rogério Valença Ferreira Unidade Regional Executora do Projeto Geoparques Superintendência Regional de Recife Sérgio Maurício Coutinho Corrêa de Oliveira Superintendente Robson de Carlo da Silva Gerente de Hidrologia e Gestão Territorial Maria de Fátima Lyra de Brito Gerente de Geologia e Recursos Minerais Carlos Eduardo Oliveira Dantas Gerente de Relações Institucionais e Desenvolvimento MINISTÉRIO DE MINAS E ENERGIA SECRETARIA DE GEOLOGIA, MINERAÇÃO E TRANSFORMAÇÃO MINERAL SERVIÇO GEOLÓGICO DO BRASIL – CPRM Projeto Geoparques GEOPARQUE -
Paleoicnología De Dinosaurios 1
Paleoicnología de dinosaurios 1 PALEOICNOLOGIA DE DINOSAURIOS José Ignacio CANUDO SANAGUSTIN y Gloria CUENCA BESCÓS José I. CANUDO y Gloria CUENCA Paleoicnología de dinosaurios 2 INDICE Introducción El inicio de la Paleoicnología de dinosaurios La conservación de las icnitas - Medio sedimentario - Propiedades del substrato - Subimpresiones - Otras conservaciones La morfología de las icnitas - Anatomía - El substrato - Comportamiento - La conservación como subimpresiones El estudio de las icnitas de dinosaurios - Documentación y excavación de yacimientos con icnitas de dinosaurios - Describiendo icnitas y rastros de dinosaurios - Midiendo icnitas y rastros de dinosaurios - Variación en la morfología de las icnitas - Ilustrando icnitas de dinosaurio Principales tipos de icnitas de dinosaurios - Grandes terópodos. “Carnosaurios” - Pequeños terópodos “Coelurosaurios” - Ornitomimidos - Saurópodos - Prosaurópodos - Pequeños ornitópodos - Iguanodóntidos - Hadrosáuridos El tamaño deducido a partir de las icnitas Modo de andar de los dinosaurios - Dinosaurios bípedos - Dinosaurios semibípedos - Dinosaurios cuadrúpedos Calculando la velocidad de los dinosaurios - Velocidad relativa - Métodos de calculo de la velocidad absoluta - La velocidad de los dinosaurios La asociación de icnitas de dinosaurios - Asociación de icnitas de dinosaurio sin orientación aparente - Asociación con dos direcciones preferentes - Asociación con un solo sentido. Megayacimientos José I. CANUDO y Gloria CUENCA Paleoicnología de dinosaurios 3 - Estructura de las comunidades -
Los Hadrosaurios (Ornithopoda, Hadrosauroidea)
ARTÍCULO CIENTÍFICO Ramírez-Velasco- Hadrosaurios de México - 105-147 LOS HADROSAURIOS (ORNITHOPODA, HADROSAUROIDEA) MEXICANOS: UNA REVISIÓN CRÍTICA THE MEXICAN HADROSAURS (ORNITHOPODA, HADROSAUROIDEA): A CRITICAL REVIEW Ángel Alejandro Ramírez Velasco1* 1Posgrado en Ciencias Biológicas, Instituto de Geología, Universidad Nacional Autónoma de México, Circuito de la investigación s/n, Ciudad Universitaria, Coyoacán, Ciudad de México, 04510. *Correspondence: [email protected] Received: 2021-02-05. Accepted: 2021-05-11. Abstract.—This manuscript provides an updated overview of the knowledge about Mexico's hadrosaurs through the critical review of 175 publications between 1913 and 2019, which report osteological, icnological, tegumentary, dental and oological remains of these organisms. The data were synthesized and analyzed using traditional statistical methods, accumulation curves and sampling efforts. In addition, a catalogue of 166 paleontological sites belonging to 18 geological units is provided, whose ages are between the Albian and the Maastrichtian, in the states of Baja California, Sonora, Chihuahua, Coahuila, Puebla and Michoacán. The data collected recognize a comparatively low taxonomic diversity with respect to the rest of North America, even though the study of these dinosaurs began systematically since the 80's in Mexico. Only five species have been described from bony remains and a single icnospecies, whereas other remains have been only vaguely identified. The review of the history of the study of hadrosaurs in Mexico, as well as the curves of the corresponding sampling effort, suggest that these dinosaurs were diverse and abundant in this country and distinct from the rest of America. Key words.— Cretaceous, bone remains, fossil record, ichnites. Resumen.— Este trabajo ofrece un panorama actualizado sobre los hadrosaurios de México a través de la revisión crítica de 175 publicaciones aparecidas entre 1913 y 2019, donde se reportan restos de naturaleza ósea, icnológica, tegumentaria, dental y oológica de estos organimos. -
Diagenesis and Sequence Stratigraphy
Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 762 _____________________________ _____________________________ Diagenesis and Sequence Stratigraphy An Integrated Approach to Constrain Evolution of Reservoir Quality in Sandstones BY JOÃO MARCELO MEDINA KETZER ACTA UNIVERSITATIS UPSALIENSIS UPPSALA 2002 Dissertation for the Degree of Doctor of Philosophy in Mineral Chemistry, Petrology and Tectonics at the Department of Earth Sciences, Uppsala University, 2002 Abstract Ketzer, J. 2002. Diagenesis and Sequence Stratigraphy. an integrated approach to constrain evolution of reservoir quality in sandstones. Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 762. 30 pp. Uppsala. ISBN 91-554-5439-9 Diagenesis and sequence stratigraphy have been formally treated as two separate disciplines in sedimentary petrology. This thesis demonstrates that synergy between these two subjects can be used to constrain evolution of reservoir quality in sandstones. Such integrated approach is possible because sequence stratigraphy provides useful information on parameters such as pore water chemistry, residence time of sediments under certain geochemistry conditions, and detrital composition, which ultimately control diagenesis of sandstones. Evidence from five case studies and from literature, enabled the development of a conceptual model for the spatial and temporal distribution of diagenetic alterations and related evolution of reservoir quality -
Comparing Middle Permian and Early Triassic Environments: Mud Aggregates As a Proxy for Climate Change in the Karoo Basin, South Africa
Colby College Digital Commons @ Colby Honors Theses Student Research 2011 Comparing Middle Permian and Early Triassic Environments: Mud Aggregates as a Proxy for Climate Change in the Karoo Basin, South Africa Bryce Pludow Colby College Follow this and additional works at: https://digitalcommons.colby.edu/honorstheses Part of the Geology Commons Colby College theses are protected by copyright. They may be viewed or downloaded from this site for the purposes of research and scholarship. Reproduction or distribution for commercial purposes is prohibited without written permission of the author. Recommended Citation Pludow, Bryce, "Comparing Middle Permian and Early Triassic Environments: Mud Aggregates as a Proxy for Climate Change in the Karoo Basin, South Africa" (2011). Honors Theses. Paper 622. https://digitalcommons.colby.edu/honorstheses/622 This Honors Thesis (Open Access) is brought to you for free and open access by the Student Research at Digital Commons @ Colby. It has been accepted for inclusion in Honors Theses by an authorized administrator of Digital Commons @ Colby. COMPARING MIDDLE PERMIAN AND EARLY TRIASSIC ENVIRONMENTS: MUD AGGREGATES AS A PROXY FOR CLIMATE CHANGE IN THE KAROO BASIN, SOUTH AFRICA B. Amelia Pludow „11 A Thesis Submitted to the Faculty of the Geology Department of Colby College in Fulfillment of the Requirements for Honors in Geology Waterville, Maine May, 2011 COMPARING MIDDLE PERMIAN AND EARLY TRIASSIC ENVIRONMENTS: MUD AGGREGATES AS A PROXY FOR CLIMATE CHANGE IN THE KAROO BASIN, SOUTH AFRICA Except where reference is made to the work of others, the work described in this thesis is my own or was done in collaboration with my advisory committee B. -
Shark) Dental Morphology During the Early Mesozoic Dynamik Av Selachian (Haj) Tandmorfologi Under Tidig Mesozoisk
Examensarbete vid Institutionen för geovetenskaper Degree Project at the Department of Earth Sciences ISSN 1650-6553 Nr 399 Dynamics of Selachian (Shark) Dental Morphology During the Early Mesozoic Dynamik av Selachian (haj) tandmorfologi under Tidig Mesozoisk Alexander Paxinos INSTITUTIONEN FÖR GEOVETENSKAPER DEPARTMENT OF EARTH SCIENCES Examensarbete vid Institutionen för geovetenskaper Degree Project at the Department of Earth Sciences ISSN 1650-6553 Nr 399 Dynamics of Selachian (Shark) Dental Morphology During the Early Mesozoic Dynamik av Selachian (haj) tandmorfologi under Tidig Mesozoisk Alexander Paxinos ISSN 1650-6553 Copyright © Alexander Paxinos Published at Department of Earth Sciences, Uppsala University (www.geo.uu.se), Uppsala, 2017 Abstract Dynamics of Selachian (Shark) Dental Morphology During the Early Mesozoic Alexander Paxinos The ancestors of all modern day sharks and rays (Neoselachii) may have appeared during the Late Palaeozoic, but their major diversification happened sometime during the Early Mesozoic. Taxonomic evidence places the first neoselachian diversification in the Early Jurassic. Taxonomic diversity analyses, however, are often affected by incompleteness of the fossil record and sampling biases. On the other hand, the range of morphological variation (disparity) offers a different perspective for studying evolutionary patterns across time. Disparity analyses are much more resilient to sampling biases than diversity analyses, and disparity has the potential to provide a more ecologically-relevant context.