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19 results for “benthic foraminifer”
Fig. 3 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 3 Wall-structure of Persiacyclammina maastrichtiana n. gen., n. sp. from the upper Maastrichtian of SW Iran Thin-section: NG 83-1.
Fig. 1 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 1 Location of the Naghan section, the type locality of Persiacyclammina maastrichtiana n. gen., n. sp.
Fig. 8 Persiacyclammina maastrichtiana n. gen., n in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 8 Persiacyclammina maastrichtiana n. gen., n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, f–h, l, Oblique sections. b–d, Oblique sections through the uncoiled part. i–j, Transverse sections, slightly oblique of the uncoiled part. k, subtransverse section. m–n, Details of oblique sections showing structural elements. Abbreviations: a.l. = alveolar layer, f = foramen, r = rafter, s = septum, s.s. = subepidermal septulum, r.n. = reticulate network. Thin-sections: 2NG 81-2 (a), 2NG 55 (b), 2NG 114 (c), 2NG 1 (d), NG 74 (e), 2NG 81-4 (f, h), 2NG 81-1 (g), 2NG 71 (i), NG 83-3 (j), NG 81 (k), 2NG 18-2 (l), 2NG 85-4 (m), 2NG 81-3 (n).
Fig. 4 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 4 Schematic drawing of part of one chamber of Persiacyclammina maastrichtiana n. gen., n. sp. showing the interpretation and nomenclature of structural elements (without scale).
Fig. 2 in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 2 Typical microfacies of samples with Persiacyclammina maastrichtiana n. gen., n. sp. (P), from the upper Maastrichtian Tarbur Formation of the Naghan section. a–b Wackestones/packstones with benthic foraminifera, among many porcelaneous and agglutinating taxa such as Dicyclina sp. (D), Zagrosella rigaudii Schlagintweit & Rashidi (Z), and remains of dasycladalean algae [(d) here: Pseudocymopolia anadyomenea (Elliott) (Ps) and others in A]. c–d Wackestones/packstones with debris of rudists, larger benthic foraminifera [Dicyclina sp. (D), Loftusia sp. (L), Omphalocyclus macroporus Lamarck (O)]. Thin-sections: 2NG 81-3 (a), 2NG 85-4 (b), 2NG 138 (c), 2NG 159 (d).
Fig. 1 in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 1. Paleogeographic distribution of Elazigina (open circles) and Laffitteina (red circles) in latest Maastrichtian (A) and Paleocene (B). Records for the Maastrichtian are from Rahaghi (1992); Inan (1988, 2005); Schlüter et al. (2008); Goldbeck and Langer (2009); Hottinger (2014 and the references herein); and this work. Records for the Paleocene are from Rahaghi (1992); Inan (2005); Hottinger (2014 and the references herein); Serra-Kiel et al. 2016); and Benedetti et al. (2018). Maps are from Scotese (2013, 2014).
Fig. 4 in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 4. Rotaliid foraminifer Elazigina siderea sp. nov. (A, holotype) from the Maastrichtian of Rod Abad section, Iran; axial (A, B, D, I, K), subaxial (E–H, J, L, N, O), oblique (C), and transversal-basal (M) sections. A–D, G, J–O. APNU-Tf12 (type-level). F, H, N. APNU-Tf11. E. APNU-Tf4. Abbreviations: f, feathers; pi, piles; pl, umbilical plug; sc, spiral canal.
Fig. 6. A–F in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 6. A–F. Facies from the Tarbur Formation of Rod Abad section, Iran. A, C, D. Packstone with Pseudomphalocyclus blumenthali Meriç, 1980 (o) and Elazigina siderea sp. nov. (e). B, E. Packstone-wackestone with Fissoelphidium operculiferum Smout, 1955 (f), Elazigina siderea sp. nov. (e), and mollusc fragments. F. Packstone-grainstone with Loftusia (lo) and echinoderm fragments (ec). G, H. Orbitokathina sp. G. APNU-Tf14. H. APNU-Tf12. Scale bars A–F, 1 mm; G, H, 0.5 mm.
Fig. 3 in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 3. Stratigraphic columns from Mandegan (A) and Rod-Abad (B) sections with position of the studied samples and distribution of Elazigina siderea sp. nov.
Fig. 5 in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 5. Rotaliid foraminifer Elazigina siderea sp. nov. from the Tarbur Formation of Rod Abad (A, C, D, F–J) and Mandegan (B, E, K) sections, Iran; transversal (A, C, E, J), transversal-basal (B, O), transversal-oblique (D, F–I, L), and tangential (K, M, N, P) sections. C, J, L, M. APNU-Tf12 (typelevel). D, G–I, P. APNU-Tf11. A, N. APNU-Tf10. F. APNU-Tf14. O. APNU-Tf4. B, E. APNU-Rt53. K. APNU-Rt55. Abbreviations: f, feathers; fo, folia; is, intraseptal canals; pi, piles; pl, umbilical plug; pr, proloculus; up, umbilical plate; sc, spiral canal.
Fig. 2 in A new evidence of passing the Maastichtian-Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran
Fig. 2. Position (asterisked) of studied localities in the general map of Iran (A) and position of Rod-Abad section (B).
Fig. 3 in Borings formed by Late Cretaceous endobiontic foraminifers within larger benthic foraminifers
Fig. 3. Four paratypes of Curvichnus semorbis igen. et isp. nov. in Orbitoides tests showing variability of the shape. A. MGUH 26409. B. MGUH 26410. C. MGUH 26411 (arrow). D. MGUH 26412. Split tests of Orbitoides with outlines of Curvichnus marked by dashed lines (A1, B1, C1, D1). Reconstructions of the shape of Curvichnus (A2, B2, C2, D2). Scale bars 1 mm.
Fig. 4 in Borings formed by Late Cretaceous endobiontic foraminifers within larger benthic foraminifers
Fig. 4. Talpinella cunicularia and Curvichnus semorbis isp. nov. in relation to diagenesis. MGUH 26408. A. Test remains of Talpinella cunicularia. Scale 200 mm. B. Close−up of the test surrounded by a fringe of spar cement. Scale 10 µm. C. Spar cement inside Curvichnus semorbis isp. nov. The latter delineated by stippled lines. Scale 100 µm. D. Close−up of the cement. Scale 10 µm.
Fig. 2 in Borings formed by Late Cretaceous endobiontic foraminifers within larger benthic foraminifers
Fig. 2. Two specimens of Curvichnus semorbis igen. et isp. nov. in tests of Orbitoides. A. MGUH 26407, holotype. B. MGUH 26408, paratype. Split tests of Orbitoides penetrated by Curvichnus, marked by dashed lines (A1, B1). Reconstruction of the shape of Curvichnus (A2, B2). Close−up of bifurcation (A3). B3. Close−up of boring section of Orbitoides with remains of Talpinella cunicularia (arrows). Scale bars 1 mm.
Fig. 1 in Borings formed by Late Cretaceous endobiontic foraminifers within larger benthic foraminifers
Fig. 1. Outline of the foraminifer Talpinella cunicularia and its trace within the equatorial layer of Orbitoides. A. Cross−section parallel to the equatorial layer. The trace, which may have bifurcated ends, forms around the embryonic apparatus of Orbitoides. Resorption may have removed early chamber walls of T. cunicularia (stippled lines). After Baumfalk et al. (1982). B. Cross−section perpendicular to the equatorial layer of which the trace is confined to. The equatorial layer of chamberlets is flanked by layers of lateral chamberlets. Adapted from Görmüş and Sagular (1998). Not to scale.
Boron isotope pH calibration of a larger benthic nummulitid foraminifer using LA-MC-ICPMS
<p>This repository is associated with the Submission of the manuscript entitled: "Boron isotope pH calibration of a larger benthic nummulitid foraminifer using LA-MC-ICPMS" submitted to the Geochimica et Cosmochimica-Acta journal.</p> <p>This repository contains the supplementary materials and the data for all figures associated with the manuscripts.</p>
Fig. 7 Persiacyclammina maastrichtiana n. gen., n in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 7 Persiacyclammina maastrichtiana n. gen., n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, Oblique equatorial section. b–c, m, q, Oblique sections. d, j, Oblique axial sections. e–f, l, o, Subaxial sections. g–i, k, Axial sections. n, p, Longitudinal sections. Abbreviations: r.n. = reticulate network, s.s. = subepidermal septulum. Thin-sections: 2NG 81-4 (a, f), 2NG 81-1 (b), NG 84 (c), 2NG 85-2 (d), 2NG 81 (e), 2NG 81-2 (g, q), 2NG 71 (h, m), 2NG 64 (I), 2NG 76 (k), 2NG 86 (l), 2NG 97 (n), NG 121 (o), 2NG 138 (p).
Fig. 5 Persiacyclammina maastrichtiana n. gen., n in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 5 Persiacyclammina maastrichtiana n. gen., n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, centered axial section. c–h, variously cut oblique sections. b, i, tangential sections. Abbreviation: r.n. = reticulate network. Thin-sections: NG 65 (a), NG 81 (b, h), NG 83-3 (c), NG 88 (d), 2NG 81 (e, g), NG 120 (f).
Fig. 6 Persiacyclammina maastrichtiana n. gen., n in Persiacyclammina Maastrichtiana N. Gen., N. Sp., A New Larger Benthic Foraminifer From The Maastrichtian Of Iran
Fig. 6 Persiacyclammina maastrichtiana n. gen., n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a–c, Almost centered equatorial sections. Arrow: Detail from b, showing remnants of an organic membrane inside the proloculus. d (holotype specimen), g, i, k, Oblique equatorial sections. e–f, h, j, l, Oblique sections. m, Oblique section of specimen with four uncoiled chambers (last chamber is broken). Note differing coiling axis of enrolled and uncoiled parts. Arrows in c and g = single, basal to areal foramina of the early growth stage. Abbreviations: p = proloculus, s = septum, s.s. = subepidermal septulum. Thin-sections: NG 71 (a), 2NG 159 (b), 2NG 83 (c), 2NG 81-1 (d–e, h), NG 107 (f), NG 144-2 (g), NG 52-2 (i), NG 113 (j), NG 116 (k), 2NG 81 (m).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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