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    المساهمون: Natural Sciences Unit, Finnish Museum of Natural History

    وصف الملف: application/pdf

    Relation: FB was funded by a NERC DTP (Grant award code NE/L002558/1), and RW and SWP by the NERC BETR Project (Grant award code NE/P013643/1). AS was funded by the School of GeoSciences, University of Edinburgh, and LA was funded by a Leeds Anniversary Research Scholarship. SWP acknowledges financial support from a Royal Society Wolfson Research Merit Award and a Leverhulme Research Fellowship. FB would like to thank G.J.B. Germs and A. Yu. Zhuravlev for enlightening discussions relating to Nama Group stratigraphy, fossil occurrence and affinity. We are grateful to Helke Mocke and Charlie Hoffmann of the Geological Survey of Namibia and the Ministry of Mines and Energy, Namibia, and to C. Husselman and A. and S. Horn for permission to access localities on farms Driedoornvlakte and Omkyk, respectively, and B. Romer and L. Gessert for permission to access Farm Swartpunt.; Bowyer , F T , Shore , A J , Wood , R A , Alcott , L J , Thomas , A L , Butler , I B , Curtis , A , Hainanan , S , Curtis-Walcott , S , Penny , A M & Poulton , S W 2020 , ' Regional nutrient decrease drove redox stabilisation and metazoan diversification in the late Ediacaran Nama Group, Namibia ' , Scientific Reports , vol. 10 , no. 1 , 2240 . https://doi.org/10.1038/s41598-020-59335-2; http://hdl.handle.net/10138/319239; dcf3167f-25d8-4870-b921-2004e7f57262; 000560693300001

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    المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1996 Feb . 93(4), 1554-1559.

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    المصدر: Estudios Geológicos; Vol. 75 No. 2 (2019); e118 ; Estudios Geológicos; Vol. 75 Núm. 2 (2019); e118 ; 1988-3250 ; 0367-0449 ; 10.3989/egeol.16728

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    Relation: https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/1011/1288; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/1011/1289; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/1011/1290; Cordani, U.G.; Teixeira, W.; Tassinari, C.C.G.; Coutinho, J.M.V. & Ruiz, A.S. (2010). The Rio Apa Craton in Mato Grosso do Sul (Brazil) and northern Paraguay: Geochronological Evolution, Correlations and Tectonic Implications for Rodinia and Gondwana. American Journal of Science, 310: 981-1023. https://doi.org/10.2475/09.2010.09; Linnemann, U.; Ovtcharova, M.; Schaltegger, U.; Gärtner, A.; Hautmann, M.; Geyer, G.; Vickers-Rich, P.; Rich, T.; Plessen, B.; Hofmann, M.; Zieger, J.; Krause, R.; Kriesfeld, L. & Smith, J. (2019). New high-resolution age data from the Ediacaran-Cambrian boundary indicate rapid, ecologically driven onset of the Cambrian explosion. Terra Nova, 31: 49-58. https://doi.org/10.1111/ter.12368; Tohver, E.; Trindade, R.I.F.; Solum, J.G.; Hall, C.M.; Riccomini, C. & Nogueira, A.C. (2010). Closing the Clymene Ocean and bending a Brasiliano belt: Evidence for the Cambrian formation of Gondwana, southeast Amazon craton. Geology, 38 (3): 267-270. https://doi.org/10.1130/G30510.1; Warren, L.V.; Quaglio, F.; Simões, M.G.; Gaucher, C.; Riccomini, C.; Poiré, D.G.; Freitas, B.T.; Boggiani, P.C. & Sial, A.N. (2017). Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: increasing ecosystem complexity and tiering at the end of the Ediacaran. Precambrian Research, 298: 79-87. https://doi.org/10.1016/j.precamres.2017.05.003; Warren, L.V.; Freitas, B.T.; Riccomini, C.; Boggiani, P.C.; Quaglio, F.; Simões, M.G.; Fairchild, T.R.; Giorgioni, M.; Gaucher, C.; Poiré, D.G.; Cáceres, A.A. & Sial A.N. (2018). Sedimentary evolution and tectonic setting of the Itapucumi Group, Ediacaran, northern Paraguay: from Rodinia break-up to West Gondwana amalgamation. Precambrian Research, 322: 99-212. https://doi.org/10.1016/j.precamres.2018.12.022; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/1011

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    المؤلفون: Simón, J.

    المصدر: Estudios Geológicos; Vol. 73 No. 2 (2017); e068 ; Estudios Geológicos; Vol. 73 Núm. 2 (2017); e068 ; 1988-3250 ; 0367-0449 ; 10.3989/egeol.16724

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    Relation: https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/962/1139; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/962/1140; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/962/1141; Buatois, L.A.; Narbonne, G.M.; Mángano, G.; Carmona, N.B. & Myrow, P. (2014). Ediacaran matground ecology persisted into the earliest Cambrian. Nature Communications, 3544. https://doi.org/10.1038/ncomms4544 PMid:24675373; Crespo, V.L. & Tamain, G. (1971). Mise en évidence de niveaux carbonatés interstratifiés dans l'Alcudien de la Sierra Morena centrale (Espagne). Comptes Rendus de l'Academie des Sciences. Série D. Sciences Naturelles, 272: 688–690.; Crimes, T.P.; Legg, I.; Marcos, A. & Arboleya, M. (1977). Late Precambrian-low Lower Cambrian trace fossils from Spain. In: Trace Fossils 2 (Crimes, T.P. & Harper, J.C., Eds.), Geological Journal Special Issues 9, 91–138.; Crimes, T.P. (1992). The record of trace fossils across the Proterozoic—Cambrian boundary. In: Origin and early evolution of the Metazoa (Lipps, J.H. & Signor, P.W., Eds.), Springer, New York, 172–202. https://doi.org/10.1007/978-1-4899-2427-8_6; Fedonkin, M.A.; Gehling, J.G.; Grey, K.; Narbonne, G.M. & Vickers-Rich, P. (2007). The rise of animals – Evolution and diversification of the kingdom Animalia. The Johns Hopkins University Press, Baltimore, 327 pp. PMid:17960483; Fenton, C.L. & Fenton, M.A. (1937). Archaeonassa: Cambrian snail trails and burrows. American Midland Naturalist, 18(3): 454–456. https://doi.org/10.2307/2420587; Fernández Remolar, D.C.; García-Hidalgo, J.F. & Moreno-Eiris, E. (2005). Interés del registro de los primeros organismos en el Arcaico y Proterozoico. Boletín de la Real Sociedad Española de Historia Natural, Sección Geológica, 100: 177–209.; Gámez Vintaned, J.A. (1996). Field Trip Itineraries. II.1.b: The río Huso section. In: Field trip guide and abstracts, II Field Conference of the Cambrian Stage Subdivision Working Groups (Li-án, E.; Gámez Vintaned, J.A. & Gozalo, R., Eds.). Universidad de Zaragoza, Zaragoza, 28–31.; Gámez Vintaned, J. A. & Li-án, E. (1996). Significant ichnological data during the Neoproterozoic-early Cambrian transition in Iberia. In: Field trip guide and abstracts, II Field Conference of the Cambrian Stage Subdivision Working Groups (Li-án, E.; Gámez Vintaned, J.A. & Gozalo, R., Eds.), Universidad de Zaragoza, Zaragoza, 101–102.; Gámez Vintaned, J.A. & Li-án, E. (2007). The Precambrian—Cambrian boundary in Spain: ichnofossil palaeobiology and zonation. In: The Rise and Fall of the Vendian (Ediacaran) Biota. Origin of the Modern Biosphere (Semikhatov, M.A., Ed.), Geos, Moscow, 54–57.; García Hidalgo, J.F.(1993). Las pistas fósiles de los anticlinales de Alcudia y Abenójar (Zona Centroibérica). Edad de las series. Geogaceta, 14: 57–59.; Gehling, J. G. & Droser, M. L. (2009). Textured organic surfaces associated with the Ediacara biota in South Australia. Earth-Science Reviews, 96(3): 196–206. https://doi.org/10.1016/j.earscirev.2009.03.002; Gubanov, A. P. & Peel, J. S. (2003). The Early Cambrian helcionelloid mollusc Anabarella Vostokova. Palaeontology, 46(5): 1073–1087. https://doi.org/10.1111/1475-4983.00334; Häntzschel, W. (1975). Treatise on invertebrate paleontology, Supplement 1, Part W, Miscellanea, Trace fossils and problematica. Second edition (Revised and enlarged). The Geological Society of America and the University of Kansas, Boulder, Colorado. 269 pp.; Jensen, S. (2003). The Proterozoic and earliest Cambrian trace fossil record; patterns, problems and perspectives. Integrative and Comparative Biology, 43(1): 219–228. https://doi.org/10.1093/icb/43.1.219 PMid:21680425; Jensen, S.; Palacios, T. & Mus, M.M. (2007). A brief review of the fossil record of the Ediacaran—Cambrian transition in the area of Montes de Toledo-Guadalupe, Spain. In: The rise and fall of the Ediacaran biota (Vickers-Rich, P. & Komarower, P., Eds.), Geological Society, London, Special Publications, 286: 223–235. https://doi.org/10.1144/SP286.16; Jensen, S. & Palacios, T. (2016). The Ediacaran—Cambrian trace fossil record in the Central Iberian Zone, Iberian Peninsula. Comunicaçoes Geologicas, 103: 83–92.; Li-án, E.; Palacios, T. & Perejón, A. (1984). Precambrian- Cambrian boundary and correlation from southwestern and Central part of Spain. Geological Magazine, 121 (3): 221–228. https://doi.org/10.1017/S0016756800028284; Li-án, E. & Palacios, T. (1987). Asociaciones de pistas fósiles y microorganismos de pared orgánica del Proterozoico, en las facies esquisto grauváquicas del norte de Cáceres. Consecuencias regionales. Boletín de la Real Sociedad Española de Historia Natural (Geología), 84 (1–4): 211–232.; Li-án, E.; Perejón, A.; Gozalo, R.; Moreno-Eiris, E. & Oliveira, J.T. (2004). The Cambrian system in Iberia. Instituto Geológico y Minero de España, Madrid. 63 pp.; Li-án, E.; Gámez Vintaned, J.A.; Gozalo, R.; Dies, M.E. & Mayoral, E. (2006). Events and biostratigraphy in the Lower Cambrian of Iberia. Zeitschrift der deutschen Gesellschaft für Geowissenschaften, 157(4): 597–609. https://doi.org/10.1127/1860-1804/2006/0157-0597; Li-án, E.; Gámez Vintaned, J.A. & Gozalo, R. (2009). Origen y diversificación de los animales pluricelulares. In: Paleontología de Invertebrados (Martínez Chacón, M.L. & Rivas, P., Eds.), Sociedad Española de Paleontología, 13–31.; MacDonald, F.A.; Pruss, S.B. & Strauss, J.V. (2014). Trace fossils with spreiten from the late Ediacaran Nama Group, Namibia: complex feeding patterns five million years before the Precambrian–Cambrian boundary. Journal of Paleontology, 88(02): 299–308. https://doi.org/10.1666/13-042; Mángano, M.G.; Buatois, L.A. & Rindsberg, A.K. (2002). Carboniferous Psammichnites: systematic re-evaluation, taphonomy and autecology. Ichnos, 9: 1–22. https://doi.org/10.1080/10420940190034175; Menon, L.R.; McIlroy, D.; Liu, A.G. & Brasier, M. D. (2015). The dynamic influence of microbial mats on sediments: fluid escape and pseudofossil formation in the Ediacaran Longmyndian Supergroup, UK. Journal of the Geological Society, 173(1): 177–185. https://doi.org/10.1144/jgs2015-036; Moreno, F.; Vegas, R. & Marcos, A. (1976). Sobre la edad de las series ordovícicas y cámbricas relacionadas con la discordancia "Sárdica" en el anticlinal de Valdelacasa (Montes de Toledo, España). Breviora Geologica Asturica, 20(1): 8–15.; Narbonne, G.M.; Myrow, P.M.; Landing, E. & Anderson, M.M. (1987). A candidate stratotype for the Precambrian-Cambrian boundary, Fortune Head, Burin Peninsula, southeastern Newfoundland. Canadian Journal of Earth Sciences, 24(7): 1277–1293. https://doi.org/10.1139/e87-124; Nozal Martín, F.; García Casquero, J.L. & Picart Boira, J. (1988). Discordancia Intraprecámbrica y series sedimentarias en el sector sur-oriental de los montes de Toledo. Boletín Geológico y Minero, 99(4): 473–489.; Palero, F.J. (1993). Tectónica pre-hercínica de las series infraordovícicas del anticlinal de Alcudia y la discordancia intraprecámbrica en su parte oriental (Sector meridional de la Zona Centroibérica). Boletín Geológico y Minero, 104(3): 227–242.; Pieren Pidal, A.P. (2000). Las sucesiones anteordovícicas de la región oriental de la provincia de Badajoz y área contigua de la de Ciudad Real. Universidad Complutense, Madrid. 620 pp.; Pieren Pidal, A.P. (2009). Rasgos geológicos de la comarca de Puertollano y del valle de Alcudia (Ciudad Real, España). Memorias de la Real Sociedad Española de Historia Natural, 2ª época, 6: 95–132.; Pieren Pidal, A.P. & García-Hidalgo, J.F. (1999). The Upper Alcudian from the Alcudia Anticline revisited (Ciudad Real, Central Spain). Journal of Conference Abstracts, 4(3):1018–1019.; Seilacher, A. (2007). Trace fossil analysis. Springer, New York. 226 pp. PMid:17111182; Seilacher, A. & Gámez-Vintaned, J.A. (1996). Psammichnites gigas: una expression icnológica de la Explosión Cámbrica. XII Jornadas de Paleontología, Badajoz. 111–113.; Talavera, C.; Martínez Poyatos, D. & González Lodeiro, F. (2015). SHRIMP U-Pb geochronological constraints on the timing of the intra-Alcudian (Cadomian) angular unconformity in the Central Iberian Zone (Iberian Massif, Spain). International Journal of Earth Sciences, 104: 1739-1757. https://doi.org/10.1007/s00531-015-1171-5; Vidal, G.; Palacios, T.; Moczyd?owska, M. & Gubanov, A.P. (1999). Age constraints from small shelly fossils on the early Cambrian terminal Cadomian Phase in Iberia. GFF, 121(2): 137–143. https://doi.org/10.1080/11035899901212137; Vidal, G.; Palacios, T.; Gámez-Vintaned, J.A.; Díez Balda, M.A. & Grant, S.W.F.(1994). Neoproterozoic-early Cambrian geology and palaeontology of Iberia. Geological Magazine, 131(6): 729–765. https://doi.org/10.1017/S001675680001284X; Webby, B.D. (1970). Late Precambrian trace fossils from New South Wales. Lethaia, 3(1): 79–109. https://doi.org/10.1111/j.1502-3931.1970.tb01265.x; Xiao, S. & Laflamme, M. (2009). On the eve of animal radiation: phylogeny, ecology and evolution of the Ediacara biota. Trends in Ecology & Evolution, 24(1): 31–40. https://doi.org/10.1016/j.tree.2008.07.015 PMid:18952316; Zhuravlev, A.Yu.; Li-án, E.; Gámez Vintaned, J.A.; Debrenne, F. & Fedorov, A.B. (2012). New finds of skeletal fossils in the terminal Neoproterozoic of the Siberian Platform and Spain. Acta Palaeontologica Polonica, 57(1): 205–224. https://doi.org/10.4202/app.2010.0074; https://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/view/962

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    المساهمون: Universidade Estadual Paulista (Unesp), Universidade de São Paulo (USP), Virginia Tech

    المصدر: Estudios Geológicos; Vol. 75 No. 2 (2019); e118
    Estudios Geológicos; Vol. 75 Núm. 2 (2019); e118
    Estudios Geológicos
    Consejo Superior de Investigaciones Científicas (CSIC)
    Estudios Geologicos, Vol 75, Iss 2, Pp e118-e118 (2019)
    Scopus
    Repositório Institucional da UNESP
    Universidade Estadual Paulista (UNESP)
    instacron:UNESP
    Web of Science

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    المساهمون: Natural Sciences Unit, Finnish Museum of Natural History, University of St Andrews. School of Biology

    المصدر: Bowyer, F, Shore, A, Wood, R, Alcott, L I, Thomas, ALEX, Butler, I, Curtis, A, Hainanan, S, Curtis-Walcott, S, Penny, A & Poulton, S W 2020, ' Regional nutrient decrease drove redox stabilisation and metazoan diversification in the late Ediacaran Nama Group, Namibia ', Scientific Reports, vol. 10, 2240 . https://doi.org/10.1038/s41598-020-59335-2
    Scientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
    Scientific Reports

    وصف الملف: application/pdf

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    المصدر: Frank , A B , Klaebe , R M , Xu , L & Frei , R 2019 , ' Redox fluctuations during the Ediacaran-Cambrian transition, Nanhua Basin, South China : Insights from Cr isotope and REE+Y data ' , Chemical Geology , vol. 525 , pp. 321-333 . https://doi.org/10.1016/j.chemgeo.2019.07.031

    الاتاحة: https://researchprofiles.ku.dk/da/publications/redox-fluctuations-during-the-ediacarancambrian-transition-nanhua-basin-south-china(3e7d678c-5d67-4fdc-97ff-55e2eec0dcb6).html
    https://doi.org/10.1016/j.chemgeo.2019.07.031

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