Results 171 to 180 of about 38,293 (212)

Oligocene-Miocene biostratigraphy, magnetostratigraphy, and isotopic stratigraphy of the western North Atlantic

, 1985
Kenneth G. Miller, Marie‐Pierre Aubry, M. Javed Khan, Allan J. Melillo, Dennis V. Kent, William A. Berggren   +5 more
openalex   +2 more sources

Mid-Cretaceous Planktonic Foraminiferal Biostratigraphy off Central Morocco, Deep Sea Drilling Project Leg 79, Sites 545 and 547

, 1984
R. M. Leckie
openalex   +1 more source

Advances in Ediacaran biostratigraphy in Australia

Carnets de Géologie, 2007
Grey Kathleen
doaj  

Radiolaria : Newsletter of the International Association of Radiolarian Paleontologists [PDF]

, 2004

core  

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Micropaleontology and Biostratigraphy

2021
To stratify six sediment cores, we applied the calcareous plankton biostratigraphy of the upper sediment cover based on the foraminiferal and nannofossil zonations suggested in Chap. 3 for the Ioffe Drift area. Datum levels (first and last appearances) of zonal index species in individual cores were used to denote zonal boundaries. The oldest recovered
Elena Ivanova, Olga Dmitrenko
openaire   +2 more sources

Overview and biostratigraphy [PDF]

Geological Society, London, Memoirs, 2014
Abstract Excellent coastal exposures of strongly folded and faulted Cambrian rocks occur around the St David's Peninsula of SW Wales. The best sections occur in the St David's Anticline, in the vicinity of St David's itself, and these have been the subject of scientific study since the mid-Nineteenth Century.
H. E. Hughes, H. E. Hughes, Alan T. Thomas, A. J. Rees, A. J. Rees, M. Lewis, P. Turner   +6 more
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Carboniferous conodont biostratigraphy

Geological Society, London, Special Publications, 2021
Abstract Carboniferous conodont biostratigraphy comprises regional zonations that reflect the palaeogeographical distribution of taxa and distinct shallow-water and deep-water conodont biofacies. Some species have a global distribution and can effect high quality correlations.
N. V. Goreva, James E. Barrick, Keyi Hu, Keyi Hu, Scott M. Ritter, Tamara I. Nemyrovska, Lance L. Lambert, Yuping Qi, Javier Sanz-López, Silvia Blanco-Ferrera, Alexander S. Alekseev, Alexander S. Alekseev   +11 more
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Biostratigraphy of Triassic Ammonoids

2015
The Triassic is a turning point in the evolutionary history of ammonoids, characterized by the flourishing Ceratitida and the appearance of the first heteromorphs. Following the end-Permian mass extinction, ammonoids were among the first groups to rediversify by producing many new taxa.
Jenks, James F., Monnet, Claude, Balini, Marco, Brayard, Arnaud, Meier, Maximiliano   +4 more
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Systematic biostratigraphy: A solution to problematic classification systems in biostratigraphy

Palaeoworld, 2014
Abstract Systematic biostratigraphy is based on the exclusive use of monophyletic marker taxa. Non-monophyletic, or artificial, marker taxa have been shown to change biostratigraphic correlations, a situation that can be rectified by using systematics to ensure that marker taxa are monophyletic or natural.
Tegan A. Vanderlaan, Malte C. Ebach
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Conodonts in Ordovician biostratigraphy

Lethaia, 2017
The long time interval after Pander's (1856) original conodont study can in terms of Ordovician conodont biostratigraphical research be subdivided into three periods, namely the Pioneer Period (1856–1955), the Transition Period (1955–1971) and the Modern Period (1971-Recent).
Bergström, Stig M., FERRETTI, Annalisa
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