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Cisalveolina fraasi

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Journal Article
Published: 01 May 2007
Journal of the Geological Society (2007) 164 (3): 609–620.
... the well-known Cisalveolina fraasi level, dated as late Cenomanian ( De Castro 1983 ). Each section was sampled in detail starting from about 50 m below the first occurrence (FO) of C. fraasi . In the attempt to produce reliable high-resolution δ 13 C curves we decided to sample, as a first...
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Journal Article
Published: 01 January 2004
Italian Journal of Geosciences (2004) 123 (1): 19–38.
... of Thalassinoid bioturbation. The tracks and burrows give an unmistakable appearance to the rocks and make this an important marker horizon in the whole ridge of Mount Chianello-Mount Vesole. Because of the presence in thin section of Dicyclina sp., Cisalveolina fraasi (Gumbel) and Pseudorhipydionina casertana...
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Association A5  (Middle-Late Cenomanian):  A )  Chrysalidina gradata,  long...
Published: 01 October 2010
peneropliformis, oblique section; F ) Cisalveolina fraasi , axial section and Chrysalidina gradata , longitudinal-oblique section. – Associazione A5 (Cenomaniano medio-superiore): A) Chrysalidina gradata, sezione longitudinale-leggermente obliqua; B) Biconcava bentori, sezione subassiale; C
Journal Article
Published: 01 October 2015
Journal of Foraminiferal Research (2015) 45 (4): 378–389.
..., Preaechrysalidina infracretacea Luperto Sinni, 1979, Dukhania conica Henson, 1948 , Chrysalidina gradata d’Orbigny, 1839, Dicyclina sampoi Cherchi & Schroeder, 1990, Cisalveolina cf. lehneri Reichel, 1941, Cisalveolina fraasi (Gümbel, 1872), Decastroia sp., Pseudorhapydionina dubia ( De Castro...
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Journal Article
Published: 01 October 2010
Italian Journal of Geosciences (2010) 129 (3): 335–352.
... peneropliformis, oblique section; F ) Cisalveolina fraasi , axial section and Chrysalidina gradata , longitudinal-oblique section. – Associazione A5 (Cenomaniano medio-superiore): A) Chrysalidina gradata, sezione longitudinale-leggermente obliqua; B) Biconcava bentori, sezione subassiale; C...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2011
GeoArabia (2011) 16 (3): 17–26.
... alveolinaceans for our analysis was collected in the upper part of the Dhalqut Formation during a fieldtrip to the Dhofar area. It shows abundant sections of Cisalveolina fraasi (Gümbel, 1872) associated with agglutinated foraminifera, trocholines, dasycladacean algae and rudist fragments, but no section...
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Journal Article
Journal: Geology
Published: 01 September 2008
Geology (2008) 36 (9): 715–718.
... . The δ 13 C curves of all the studied sections show a pronounced positive excursion of ~3‰–4‰ ( Fig. 1 ). Using the upper-Cenomanian larger-foraminifer marker Cisalveolina fraasi as a biostratigraphic tie point, this excursion can be correlated with the well-known Cenomanian-Turonian carbon isotope event...
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Journal Article
Published: 01 June 2013
Italian Journal of Geosciences (2013) 132 (2): 274–289.
... with the main fault plane sub-vertical as well. Near the Roccagorga village, the MCB is displaced by the normal faults of the Lepini Mts. downthrown step (Bassiano-Roccagorga fault). The MCB detachment level is located in the Cenomanian dolomites (just below the bio-horizon containing Cisalveolina...
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Journal Article
Published: 01 August 2011
Petroleum Geoscience (2011) 17 (3): 211–222.
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