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Neogene Planktonic Foraminifera
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Book Synopsis Neogene Planktonic Foraminifera by : James P. Kennett
Download or read book Neogene Planktonic Foraminifera written by James P. Kennett and published by . This book was released on 1983 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neogene Planktonic Foraminiferal Biostratigraphy of the South Central Java Area, Indonesia by : Darwin Kadar
Download or read book Neogene Planktonic Foraminiferal Biostratigraphy of the South Central Java Area, Indonesia written by Darwin Kadar and published by Pergamon. This book was released on 1986 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biostratigraphic and Geological Significance of Planktonic Foraminifera by : Marcelle K. BouDagher-Fadel
Download or read book Biostratigraphic and Geological Significance of Planktonic Foraminifera written by Marcelle K. BouDagher-Fadel and published by UCL Press. This book was released on 2015-10-02 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of fossil planktonic foraminifera as markers for biostratigraphical zonation and correlation underpins most drilling of marine sedimentary sequences and is key to hydrocarbon exploration. The first - and only - book to synthesise the whole biostratigraphic and geological usefulness of planktonic foraminifera, Biostratigraphic and Geological Significance of Planktonic Foraminifera unifies existing biostratigraphic schemes and provides an improved correlation reflecting regional biogeographies.Renowned micropaleontologist Marcelle K. Boudagher-Fadel presents a comprehensive analysis of existing data on fossil planktonic foraminifera genera and their phylogenetic evolution in time and space. This important text, now in its Second Edition, is in considerable demand and is now being republished by UCL Press.
Book Synopsis Tempo and Mode of Evolution in Neogene Planktonic Foraminifera by : Kuo-Yen Wei
Download or read book Tempo and Mode of Evolution in Neogene Planktonic Foraminifera written by Kuo-Yen Wei and published by . This book was released on 1987 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalogue of Planktonic Foraminifera: pt. 1. Neogene by : Tsunemasa Saitō
Download or read book Catalogue of Planktonic Foraminifera: pt. 1. Neogene written by Tsunemasa Saitō and published by . This book was released on 1976 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalogue of planktonic foraminifera. [2] : Neogene ; 2 by : Tsunemasa Saito
Download or read book Catalogue of planktonic foraminifera. [2] : Neogene ; 2 written by Tsunemasa Saito and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Neogene Planktonic Foraminifera and Palaeoceanography of the North Atlantic by : P. W. P. Hooper
Download or read book Late Neogene Planktonic Foraminifera and Palaeoceanography of the North Atlantic written by P. W. P. Hooper and published by . This book was released on 1988 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Planktonic Foraminiferal Biostratigraphy of the Late Neogene of Crete (Greece) by : W. J. Zachariasse
Download or read book Planktonic Foraminiferal Biostratigraphy of the Late Neogene of Crete (Greece) written by W. J. Zachariasse and published by . This book was released on 1975 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stratigraphic Record of the Neogene Globorotalid Radiation (planktonic Foraminiferida) by : Richard Cifelli
Download or read book Stratigraphic Record of the Neogene Globorotalid Radiation (planktonic Foraminiferida) written by Richard Cifelli and published by . This book was released on 1986 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: The histories of lineages forming the Neogene globorotalid radiation in the planktonic foraminifera are reconstructed primarily from stratigraphic distributions. Data on major taxa are synthesized, with particular reference to the development of shell design, and related to biogeograpy and evolutionary strategies.The radiation was established about the base of the lower Miocene by three groups (Fohsella, Globorotalia zealandica lineage, and G. praescitula plexus), which probably arose from separate paragloborotalid lineages.Common trends (size increase, chamber compression, keel development, reduced wall relief) early in the radiation culminated in the evolution of disklike taxa which, since the middle Miocene, have been centered in the tropics. The later phase of the radiation (post middle Miocene) was marked by architectural diversification as spiroconical (e.g., G. margaritae), ventroconical (e.g., G. truncatulinoides), and globose (e.g., G. inflata) taxa arose. Architectural diversification may be linked with watermass differentiation in the late Neogene.Neogene designs have close counterparts in the earlier, but phyletically isolated, Paleogene and Cretaceous radiations. There are also resemblances in ontogenetic strategies and lineage histories. Common adaptations are suggested, but specific functional explanations have not been established.Periods of major redesign are recognized in most lineages and are not confined to speciation events. Examples of stasis in adult morphology occur particularly in taxa that have evolved compressed, keeled shells. Bifurcations in lineages are indistinctly represented by wide spectra of morphotypes. Within the radiation very rapid speciation events are conspicuously absent, although they possibly occurred at the origin of some lineages. The distinctly sluggish tempo of change may be due to large population sizes and their degree of intercommunication. Good examples of allopatric and parapatric speciation were not found, but the prevalence of polytypic taxa, often distributed in contiguous populations showing clinal variation, would favor the inception of parapatric speciation.
Book Synopsis Latitudinal Patterns in the Morphologic Diversification of the Neogene Planktonic Foraminifera by : Andrew Howard Feldman
Download or read book Latitudinal Patterns in the Morphologic Diversification of the Neogene Planktonic Foraminifera written by Andrew Howard Feldman and published by . This book was released on 1997 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Neogene Planktonic Foraminiferal Biostratigraphy of Deep-sea Drilling Project Leg 5, Site 36 by : Elmira Wan
Download or read book Late Neogene Planktonic Foraminiferal Biostratigraphy of Deep-sea Drilling Project Leg 5, Site 36 written by Elmira Wan and published by . This book was released on 1988 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Deep Sea Drilling Project--a Decade of Progress by : John E. Warme
Download or read book The Deep Sea Drilling Project--a Decade of Progress written by John E. Warme and published by . This book was released on 1981 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neogene Planktonic Foraminifera by : Robert Sturm Heath
Download or read book Neogene Planktonic Foraminifera written by Robert Sturm Heath and published by . This book was released on 1979 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalogue of Planktonic Foraminifera: pt. 1. Neogene by : Brooks Fleming Ellis
Download or read book Catalogue of Planktonic Foraminifera: pt. 1. Neogene written by Brooks Fleming Ellis and published by . This book was released on 1940 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Late Neogene Planktonic Foraminifera Genus Globigerinoidesella by : Christopher Robert Poole
Download or read book The Late Neogene Planktonic Foraminifera Genus Globigerinoidesella written by Christopher Robert Poole and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Late Neogene Planktonic Foraminifera of the Cibao Valley (Dominican Republic), Biostratigraphy and Paleoceanography by : Brendan P. Lutz
Download or read book Late Neogene Planktonic Foraminifera of the Cibao Valley (Dominican Republic), Biostratigraphy and Paleoceanography written by Brendan P. Lutz and published by . This book was released on 2008 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dense sampling of planktonic foraminifers is described from the Cercado, Gurabo, and Mao Formations in the Cibao Valley, northern Dominican Republic. Assemblages are relatively consistent throughout, with Globigerinoides spp. dominating each section. The Cercado Formation is loosely confined to Zones N17 and N18 ([approximately]8.6-5.6 Ma). The Gurabo Formation spans Zones N18 and N19 ([approximately]5.6-4.5 Ma). The Mao Fm. is placed in Zone N19 ([approximately]4.5-3.6 Ma). The predominant genera ( Globigerinoides and Orbulina ) and species indicate a near-shore setting throughout the period of deposition with an episode of deepening after a lowstand at the Miocene/Pliocene boundary. Increasing abundances of Gs. sacculifer and Gs. ruber in conjunction with a decreasing abundance of G. bulloides suggests the onset of increasing salinity and diminishing primary productivity at [approximately]5.8 Ma. A sharp increase in Gs. sacculifer and Gs. ruber at [approximately]4.8 Ma implies a major intensification of Caribbean surface water salinity with a decline in primary productivity. The mechanism for this change is isolation of the Caribbean Ocean through enhanced closure of the Central American Seaway (CAS). Upwelling events are recorded in the upper Cercado Fm. ([approximately]6.1 Ma) and in the middle Mao Fm. ([approximately]4.2 Ma) by spikes in G. bulloides and Neogloboquadrina spp. respectively. The timing of increasing salinity and decreasing productivity ([approximately]4.8 Ma) and upwelling ([approximately]6.1and 4.2 Ma) generally corroborate previously suggested paleoceanographic changes related to the uplift of Panama. Oceanographic changes depicted by paleobiogeographic distributions suggest that shoaling along the Isthmus of Panama had implications in the Caribbean as early as 6.5 Ma. Major paleobiologic changes between [approximately]4.8 and 4.2 Ma likely represent the period of final closure of the CAS and the complete division between Pacific and Caribbean water masses.
Book Synopsis Late Paleogene (oligogene) and Neogene Planktonic Foraminiferal Biostratigraphy of the Atlantic Ocean (lat. 30° N to Lat. 30° S) by : William A.. Berggren
Download or read book Late Paleogene (oligogene) and Neogene Planktonic Foraminiferal Biostratigraphy of the Atlantic Ocean (lat. 30° N to Lat. 30° S) written by William A.. Berggren and published by . This book was released on 1973 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 120 planktonic foraminiferal species are recorded from late Paleogene (Oligogene (Oligocene) and Neogene sediments recovered by the Deep Sea Drilling Project (Legs 1-4) between lat. 30 degrees N and lat. 30 degrees S in the Atlantic Ocean. Particularly good oligocene and lower Miocene biostratigraphic sequences were recovered in the South Atlantic (Leg 3) and a nearly complete composite succession of Neogene sediments has been examined from the tropical Atlantic (Caribbean, Legs 4 and 15; Gulf of Mexico, Leg 1). South Atlantic late Paleogene and early Neogene planktonic foraminiferal assemblages exhibit a marked similarity with those from the Australasian region (New Zealand, SW Pacific). South Atlantic early Neogene assemblages are characterized by globigerinids, globoquadrinids and non-keeled globorotaliids. Late Neogene tropical assemblages are dominated by keeled globorotaliids. Within the Pliocene the sequential extinction of several taxa make a refinement of current planktonic foraminiferal zonation zonation possible and a six-fold zonation (Zones p11-6) is applied. (Author).