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1-20 OF 42 RESULTS FOR
Nannotetrina
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Book Chapter
Appendix C. Species Catalogue: genus Heliodiscoaster , Nannotetrina
Author(s)
Marie-Pierre Aubry
Series: SEPM Concepts in Sedimentology and Paleontology
Publisher: SEPM Society for Sedimentary Geology
Published: 01 January 2021
EISBN: 978-1-56576-377-7
Contents available as PDF only.
Image
Photomicrographs of selected calcareous nannofossils identified in the Argi...
in Updated picture of the Ligurian and Sub-Ligurian units in the Mt. Amiata area (Tuscany, Italy): elements for their correlation in the framework of the Northern Apennines
> Italian Journal of Geosciences
Published: 01 June 2015
. Sample CDP48; 9) Chiasmolithus grandis , parallel light. Sample CDP51; 10) Nannotetrina cristata , parallel light. Sample CDP48; 11) Nannotetrina alata , parallel light. Sample CDP46; 12) Nannotetrina pappii , parallel light. Sample CDP48.
Journal Article
Calcareous nannofossil biostratigraphy of Eocene oil shales from central Jordan
Mohammad Alqudah, Mohammad Ali Hussein, Olaf G. Podlaha, Sander van den Boorn, Sadat Kolonic, Jörg Mutterlose
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2014
GeoArabia (2014) 19 (1): 117–140.
..., Discoaster sublodoensis, Nannotetrina quadrata, Reticulofenestra umbilicus and Chiasmolithus solitus , indicate an Early to Middle Eocene age, while the presence of Maastrichtian and Paleocene forms suggests major reworking. The presence of Cretaceous taxa reflects either subaerial erosive input from...
Journal Article
Calcareous nannofossil assemblage changes from early to middle Eocene in the Levant margin of the Tethys, central Israel
Journal: Journal of Micropalaeontology
Publisher: Geological Society of London
Published: 01 September 2011
Journal of Micropalaeontology (2011) 30 (2): 129–139.
... . NP14 . The Discoaster sublodoensis Zone is 85 m thick in the Nizzana Formation. The base of this zone is the FO of Discoaster sublodoensis . The top underlies the FO of Nannotetrina fulgens . The FO of Blackites inflatus marks the base of the NP14b subzone. Many inflated and curved-spine...
Journal Article
Updated picture of the Ligurian and Sub-Ligurian units in the Mt. Amiata area (Tuscany, Italy): elements for their correlation in the framework of the Northern Apennines
Journal: Italian Journal of Geosciences
Publisher: Societa Geologica Italiana
Published: 01 June 2015
Italian Journal of Geosciences (2015) 134 (2): 200–218.
.... Sample CDP48; 9) Chiasmolithus grandis , parallel light. Sample CDP51; 10) Nannotetrina cristata , parallel light. Sample CDP48; 11) Nannotetrina alata , parallel light. Sample CDP46; 12) Nannotetrina pappii , parallel light. Sample CDP48. ...
Journal Article
Nannofossil biostratigraphy of the Paleocene-lower Eocene succession in the Thamad area, east central Sinai, Egypt
Journal: Micropaleontology
Publisher: Micropaleontology Press
Published: 01 January 2007
Micropaleontology (2007) 53 (1-2): 127–144.
... of T. orthostylus may range higher than previously indicated. In Arroyo El Bulito section, California, Bukry (1973b) mentioned that the stratigraphic range of T. orthostylus is high as the middle Eocene Nannotetrina quadrata (= N. fulgens) Zone as several zones present above its presumed level...
Journal Article
Calcareous nannofossil biostratigraphy: a tool for understanding the stratigraphic evolution of the Mt. Modino Unit (Northern Apennines, Italy)
Journal: Italian Journal of Geosciences
Publisher: Societa Geologica Italiana
Published: 01 June 2017
Italian Journal of Geosciences (2017) 136 (2): 171–185.
... Miocene assemblages (Tabs. 3-9), H. paleocarteri only occurs in late Chattian-Aquitanian assemblages ( Figs. 9 - 10 ; Tab. 3). Nannotetrina is present in the Mt. Cisa, Mt. Modino and Costalta sections, where N. cristata ( Fig. 10 ) and N. fulgens ( Figs. 5 and 7 ) were also recognized...
Image
Microphotographs of selected calcareous nannofossil species from the Mt. Mo...
in Calcareous nannofossil biostratigraphy: a tool for understanding the stratigraphic evolution of the Mt. Modino Unit (Northern Apennines, Italy)
> Italian Journal of Geosciences
Published: 01 June 2017
. Cribrocentrum reticulatum . Sample TMM45. 11. Nannotetrina cristata . Sample TMM1. 12. Helicosphaera euphratis . Sample TMM19. 13. Sphenolithus calyculus . Sample TMM73. 14. Sphenolithus ciperoensis . Sample TMM69. 15. Sphenolithus radians . Sample TMM1. 16. Sphenolithus delphix . Sample TMM12. 17
Image
Most significative specimens of calcareous nannofossils recognized in the s...
in Oligocene-Miocene foredeep deposits in the Lake Trasimeno area (Central Italy): insights into the evolution of the Northern Apennines
> Italian Journal of Geosciences
Published: 01 June 2009
, Monte Melino Sect.; (b) Helicosphaera ampliaperta XP, San Mariano Sect.; (c) Dictyococcites bisectus XP, Capanne 2 Sect.; (d) Nannotetrina sp. NL, Cava Casilini Sect.; (e) Tribrachiathus orthostylus NL, Cava Casilini Sect.; (f) Helicosphaera euphratis XP, Passignano E Sect.; (g) Helicosphaera
Series: SEPM Concepts in Sedimentology and Paleontology
Publisher: SEPM Society for Sedimentary Geology
Published: 01 January 2021
DOI: 10.2110/sepmcsp.14.175
EISBN: 978-1-56576-377-7
... .: Chiasmolithus ; D. : Discoaster [ Heliodiscoaster herein]; N .: Nannotetrina . TEXT-FIGURE 46 Stratigraphic range of selected species in the Gorrondaxte section around the Ypresian/Lutetian boundary. Zones are from (a): Okada and Bukry, 1980; (b): Martini, 1971a. Dotted lines: very rare...
Journal Article
The missing link in the evolutionary origin of the foraminiferal genus Hantkenina and the problem of the lower-middle Eocene boundary
Journal: Geology
Publisher: Geological Society of America
Published: 01 January 2010
Geology (2010) 38 (1): 23–26.
... to be consistent with the first occurrence (FO) of Hantkenina (see Molina et al., 2006 , for a review). This is in contrast to the results of Toumarkine and Bolli (1975) and Proto-Decima et al. (1975) from the Possagno section, where the FO of Hantkenina was found in the Nannotetrina fulgens Zone...
Journal Article
Magnetic and calcareous-nannofossil stratigraphy of the lower Palaeogene formations of the Hampshire and London basins
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 01 September 1986
Journal of the Geological Society (1986) 143 (5): 729–735.
... of the Lutetian (Abrard s Lutetian I) in its type area, belongs to Zone NP14 (upper part). The first Nannotetrina fulgens, the appearance of which species marks the base of Zone NP15, occurs a few metres above the base of the Lutetian (in Abrard s Lutetian 11). Thus, it is the uppermost part of Zone NP14 which...
Series: SEPM Concepts in Sedimentology and Paleontology
Publisher: SEPM Society for Sedimentary Geology
Published: 01 January 2021
DOI: 10.2110/sepmcsp.14.433
EISBN: 978-1-56576-377-7
........................................................................................ Appendix C IIb1. Essentially tetra-radial symmetry (tertinaliths.................................................... Nannotetrina IIb2. Hexaradial symmetry................................................................................. Appendix D 2a. rim non scalloped (catinaliths...
Journal Article
Oligocene-Miocene foredeep deposits in the Lake Trasimeno area (Central Italy): insights into the evolution of the Northern Apennines
Marco Barsella, Arnaldo Boscherini, Flavia Botti, Michele Marroni, Francesca Meneghini, Andrea Motti, Silvia Palandri, Luca Pandolfi
Journal: Italian Journal of Geosciences
Publisher: Societa Geologica Italiana
Published: 01 June 2009
Italian Journal of Geosciences (2009) 128 (2): 341–352.
..., Monte Melino Sect.; (b) Helicosphaera ampliaperta XP, San Mariano Sect.; (c) Dictyococcites bisectus XP, Capanne 2 Sect.; (d) Nannotetrina sp. NL, Cava Casilini Sect.; (e) Tribrachiathus orthostylus NL, Cava Casilini Sect.; (f) Helicosphaera euphratis XP, Passignano E Sect.; (g) Helicosphaera...
Journal Article
High-resolution integrated magnetobiostratigraphy of a new middle Eocene section from the Neotethys (Elazığ Basin, eastern Turkey)
D. Rodelli, L. Jovane, E. Özcan, M. Giorgioni, R. Coccioni, F. Frontalini, E.S. Rego, A. Brogi, R. Catanzariti, Gy. Less, M.A. Rostami
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 06 September 2017
GSA Bulletin (2018) 130 (1-2): 193–207.
..., detrital magnetite. The genus Nannotetrina included only Nannotetrina cristata , which was present from the base up to 40.0 msl. The calcareous nannofossils are common to abundant and show good preservation in almost all the samples. The time interval studied would span the middle Eocene...
Includes: Supplemental Content
Journal Article
Deoxygenation and organic carbon sequestration in the Tethyan realm associated with the middle Eocene climatic optimum
Marlow J. Cramwinckel, Robin van der Ploeg, Niels A.G.M. van Helmond, Niels Waarlo, Claudia Agnini, Peter K. Bijl, Annique van der Boon, Henk Brinkhuis, Joost Frieling, Wout Krijgsman, Tamsin A. Mather, Jack J. Middelburg, Francien Peterse, Caroline P. Slomp, Appy Sluijs
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 September 2022
GSA Bulletin (2023) 135 (5-6): 1280–1296.
..., top, and top common, respectively. GPTS12—Geomagnetic Polarity Time Scale 2012 ( Gradstein et al., 2012 ). TABLE 2. NANNOFOSSIL-BASED DATUMS USED AS AGE-DEPTH TIE POINTS FOR THE MIDDLE EOCENE BELAYA RIVER SECTION IN THIS STUDY According to Backman (1987), the top of Nannotetrina...
Journal Article
The middle Eocene climatic optimum event in the Contessa Highway section, Umbrian Apennines, Italy
Luigi Jovane, Fabio Florindo, Rodolfo Coccioni, Jaume Dinarès-Turell, Andrea Marsili, Simonetta Monechi, Andrew P. Roberts, Mario Sprovieri
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 March 2007
GSA Bulletin (2007) 119 (3-4): 413–427.
... 119 m, we define its first common occurrence (FCO) at 122 m, together with the LO of Nannotetrina spp. (Fig. 9) . A discrepancy between this identification and that of Monechi and Thierstein (1985) is due to the different taxonomic concept of R. umbilica size >12.5 µm in Monechi...
Journal Article
Geologic stages of the Paleogene and Neogene evolution of the Arctic shelf in the Ob’ region ( West Siberia )
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 April 2014
Russ. Geol. Geophys. (2014) 55 (4): 483–494.
...). The Charlesdowniea coleothrypta s.l. Zone, traced in the Nyurol’ka Formation, is divided into two subzones. By nanoplankton, this zone corresponds to the Marthasterites tribrachiatus, Discoaster lodoensis, D. sublodoensis Zone and, partly, to the Nannotetrina fulgens Zone (upper Ypresian–Lutetian...
Series: SEPM Concepts in Sedimentology and Paleontology
Publisher: SEPM Society for Sedimentary Geology
Published: 01 January 2021
DOI: 10.2110/sepmcsp.14.345
EISBN: 978-1-56576-377-7
... sp. B [= Discoaster sp. 1 Perch-Nielsen, 1971b, p. 65, pl. 52, fig. 9] Heliodiscoaster sp. C [= Discoaster binodosus Perch-Nielsen et al., 1978] Genus Nannotetrina Achuthan & Stradner 1969 emend. Aubry 2015a, p. 345 Type Species: Nannotetrina fulgens (Stradner) Achuthan...
Journal Article
REASSESSMENT OF THE EARLY–MIDDLE EOCENE PLANKTIC FORAMINIFERAL BIOMAGNETOCHRONOLOGY: NEW EVIDENCE FROM THE TETHYAN POSSAGNO SECTION (NE ITALY) AND WESTERN NORTH ATLANTIC OCEAN ODP SITE 1051
Journal: Journal of Foraminiferal Research
Published: 01 April 2014
Journal of Foraminiferal Research (2014) 44 (2): 187–201.
... between planktic foraminferal and calcareous nannofossil zones. The relative position of the calcareous nannofossils and planktic foraminiferal horizons characterizing Zone NP15a (B of Nannotetrina fulgens ), Bc of G. nuttalli (possible base of Zone E8, see considerations above) and Zone NP15b (B...
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