Karsella, a New Complex Orbitolinid (Foraminiferida) from the Thanetian Limestone of the Van Region (East Turkey)

Sirel, Ercüment

doi:10.2307/1485783

Cited by 10 publications

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“…6.2). • Karsella Sirel, 1997 (Type species: Karsella hottingeriSirel, 1997). This form differs from the Late Cretaceous CalveziconusCaus and Cornella, 1982 (see Chapter 5) in having a more complex internal structure, with more than two vertical (beams) and horizontal (rafters) partitions forming an irregular network under the epidermis.…”

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confidence: 99%

Evolution and Geological Significance of Larger Benthic Foraminifera

BouDagher‐Fadel¹

2018

163

234

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on his work in my discussions of the biology of the larger foraminifera as presented in Chapter 1.I would like to refer readers to Prof Lukas Hottinger's outstanding web pages "Illustrated glossary of terms used in foraminiferal research" which can be found at http://paleopolis.rediris.es/cg/CG2006_M02/4_droite.htm. Some of these illustrations are reproduced in this book, courtesy of Prof Hottinger.I would like to thank Prof McMillan for access to his South African collection of larger foraminifera, Dr Michelle Ferrandini, Université de Corse, for access to her Corsican collections and Prof K. Matsumaru for access to some of his original material.I would also like to thank the Natural History Museum, London for giving me access to their excellent collection, which includes type species of many early workers. I would like to thank all scientists who contributed to this collection and thus to my book. My gratitude is also expressed to the Senckenberg-Forschungsinstitut und Naturmuseum, Germany for their Permian collection and UCL Geological Sciences, Micropalaeontology unit collections. I am particularly grateful for the assistance of Mr Jim Davy, UCL, and in Mr Clive Jones, NHM. Mr Jones was very helpful in locating specimens and his methods of filing and storing the NHM collection were so very useful.Finally, I am especially grateful for the careful editing and reviewing carried out by Prof Alan Lord (of the Senckenberg-Forschungsinstitut und Naturmuseum, Germany) and Prof David Price (UCL). Prof Price' s advice throughout the book, and our useful discussions on the causes of extinctions gave me many ideas on the relationship between sensitive, small, living organisms, such as the larger foraminifera, and large scale geological processes. I also thank him for helping me to look into the wider processes involved in evolution and for his encouragement.

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confidence: 99%

Evolution and Geological Significance of Larger Benthic Foraminifera

BouDagher‐Fadel¹

2018

163

234

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“…Ancak görsel algılama yapılan her bir yüzey için (duvar, pano, düşey iş yüzeyleri) aydınlık düzeyi ölçümleri önemlidir (Mahlab, Yamaguchi, Shimozima, Yoshizawa ve Cai 2023). Lüksmetre (ışık ölçer) kullanılarak yapılan aydınlık düzeyi ölçümleri çalışma düzlemi üzerindeki ölçümlerin dışında gonyofotometre ile yapılan ölçümlerde de kullanılmaktadır (Sirel, 2004;Bean ve Simons, 2001). Şekil 2'de görülen Gonyofotometre ile bir armatürün ışık şiddeti dağılımı ölçülerek ışık dağılım eğrisi çıkartılır.…”

Section: Aydınlık Düzeyi öLçümleriunclassified

“…Gonyofotometre ile yapılan ölçümlerde bir armatürün aşağıdaki fotometrik özellikleri elde edilir. (Sirel, 2004).…”

Section: şEkil 1 Lüksmetre şEkil 2 Gonyofotometreunclassified

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An Alternative Airfoil Design and Analysis for a Small Commercial Aircraft with Inverse Design Method

Şumnu,

Atasoy,

Güzelbey

2023

21. Yüzyılda Mühendislikte Çağdaş Araştırma Uygulamaları Üzerine Disiplinler Arası Çalışmalar- V

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Airfoil is one of the most import design criteria in aircraft design. It directly affects the performance and stability against to the air conditions. They have special shapes to perform the pressure differences at the top and bottom edge, making the aircraft to fly stable. However, flow analysis may be performed at different compressible flow regimes, such as subsonic, transonic, supersonic, or hypersonic regimes. So, it is vital to design the airfoil and wings with respect to the operational altitude, stall characteristics and stability criteria. In this study, the NACA3512 airfoil model has been analysed by using the Raytheon’s Beechcraft 1900D commercial aircraft. To do this, its performance parameters have been used for the airfoil performance analysis. In the first part of the analysis, a hybrid methodology to validate the stability results, then they have been used to determine the performance characteristics of the aircraft. During the analysis, satisfactory results have been obtained, however to provide a better stability to the aircraft, novel studies are going to be conducted.

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“…In this respect, Cherchi and Schroeder (1975) noted the lack of information about the initial part and missing evidence for the chamber morphology (flabelli-form or annular). Later, these Thanetian forms were ascribed to a new genus by Sirel and Gündüz (1985): Vania with the type-species being Vania anatolica. Vania differs from Broeckinella by its annular chambers in the final part of its adult test.…”

Section: Introductionmentioning

confidence: 99%

Untitled

2020

Actapalrom

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A new larger benthic foraminifera is described as Broeckinella hensoni from the upper Maastrichtian Tarbur Formation of SW Iran (Zagros Zone). In comparison to the type species of the genus, Broeckinella arabica Henson, which also occurs in the Tarbur Formation, the new species has distinctly larger dimensions (e.g., size and thickness of test, chamber height). The first record of a microspheric specimen of B. arabica shows previously unrecorded annular chambers in the final test stage. Therefore, the generic diagnosis is herein emended. In the Tarbur Formation, both B. hensoni n. sp. and B. arabica occur in foraminiferal-algal wackestones. However, B. arabica occurs in a wider range of microfacies, including packstones and grainstones. It is assumed that Broeckinella originated in the Upper Cretaceous with Broeckinella neumannae Gendrot. The upper Albian Broeckinella aragonensis Peybernès is herein transferred to the porcellaneous genus Peneroplis Montfort.

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Karsella, a New Complex Orbitolinid (Foraminiferida) from the Thanetian Limestone of the Van Region (East Turkey)

Cited by 10 publications

References 1 publication

Evolution and Geological Significance of Larger Benthic Foraminifera

Evolution and Geological Significance of Larger Benthic Foraminifera

An Alternative Airfoil Design and Analysis for a Small Commercial Aircraft with Inverse Design Method

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