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Journals / Maden Tetkik ve Arama Dergisi / 1969 / Cilt: 73 Sayı: 73

ON THE DISCOVERY OF ORDUINA N. GEN., A NEW GENUS OF THE FAMILY ROTALIIDAE

ROTALİİDAE FAMİLYASINA AİT YENİ BİR CİNS ORDUINA N. GEN. VE TÜRÜ HAKKINDA

Ercüment Sirel(Mineral Research and Exploration Institute of Turkey)
Pages
160–166
Publication Date
1969-02-01
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The present study is based on thin sections and geometrical considerations.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:A new genus of the family Rotaliidae, Orduina n. gen., has been discovered in the limestone samples from the Paleocene of Gölköy (Ordu Province, North Anatolia).
📊
Key Findings & Data:The samples studied were collected from a locality approximately 8 km northeast of Gölköy.
💡
Conclusion & Impact:The present study is based on thin sections and geometrical considerations.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:ROTALİİDAE FAMİLYASI · ORDUINA N. GEN. · Globotruncana

Abstract

A new genus of the family Rotaliidae, Orduina n. gen., has been discovered in the limestone samples from the Paleocene of Gölköy (Ordu Province, North Anatolia). The samples studied were collected from a locality approximately 8 km northeast of Gölköy. The investigated limestone unit overlies either andesites or Senonian limestone containing Globotruncana. The description of Orduina n. gen. is given below. Due to the hardness of the investigated limestone samples, it was not possible to obtain free individuals. The present study is based on thin sections and geometrical considerations.

Özet

Kuzey Anadolu'da Ordu-Gölköy civarında, takriben Gölköy'ün 8 km kuzeydoğusunda, yer yer Globotruncana'lı Senonien kalkerleri ve yer yer de andezitler üzerine gelen Paleosen kalkerlerinin tetkiki esnasında aşağıda tarifini vereceğimiz Orduina n. gen. rastlanmıştır. Ancak tetkik etmiş olduğum kalkerler çok sert olduklarından, fertleri tane olarak elde etmek mümkün olmamıştır. Yapmış olduğum inceleme, ince kesitlerden ve bu kesitlerden çıkarmış olduğum geometrik esaslara dayanmaktadır.

🔖

Cite This Article

Sirel, E. (1969). ON THE DISCOVERY OF ORDUINA N. GEN., A NEW GENUS OF THE FAMILY ROTALIIDAE. Maden Tetkik ve Arama Dergisi, Cilt: 73 Sayı: 73, 160–166. https://ajindex.com/articles/1120599

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References (29)

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  17. CAUDRI, C. M. B. (1944): The larger Foraminifera from San Juan de Los Morros, State of Guarico, Venezuela. Bull. Amer. Paleont., New York, vol. 414, pp. 1-54, pls., 1-5.
  18. COLE, W. S. (1942): Lockhartia in Cuba. Jour. Paleontology, vol. 16, pp. 640-642, pl. 92.
  19. DİZER, A. (1957): Observations on a fauna of Foraminifera from Montian beds in Turkey. Paleont. Soc. of India, Wadia Jubilee number, vol. 2, pp. 38-41.
  20. : Etude micropaleontologique du Nummulitique de Haymana (Turquie). Revue de Micropaleontologie, vol. 11, no. 1, pp. 13-21.
  21. ELLIS, B. F. & MESSINA, A. R. (1940): Catalogue of Foraminifera. Amer. Mus. Nat. Hist., New York.
  22. GREIG, D. A. (1935): Rotalia viennoti, an important Foraminiferal species from Asia Minor and Western Asia. Jour. Paleontology, vol. 9, pp. 523-526.
  23. GRIMSDALE, T. F. (1952): Cretaceous and Tertiary Foraminifera from the Middle East. Bull, of the Brit. Museum (Natural History), Geology, vol. 1, no. 8.
  24. HANZAVA, S. (1957): Cenozoic Foraminifera of Micronesia. The Geological Society of America, Memoir 66.
  25. HOFKER, J. (1927): The Foraminifera of the Siboga Expedition. Pt. 1. Families Tinoporidae, Rotaliidae, Nummulitidae, Amphisteginidae. Mon. Siboga Exped., vol. 4, pp. 1-78.
  26. LOEBLICH, A R. Jr. & TAPPAN, H. (1964): Treatise on Invertebrate Paleontology. The Geological Society of America and The University of Kansas Press, part C, 2 vol. 900 pp. 653 fig.
  27. MARIE, P. (1946): Sur Laffitteina bibensis et Laffitteina monodi, nouveau genre et nouvelles especes de Foraminiferes du Montien. Bull. Soc. Geol. Fr., Paris (5), vol. 15, pp. 419-434,pl. 5.
  28. OVEY, C. D. (1947): A new Eocene species of Lockhartia Davies, from British Somaliland, with notes of other species of the genus. Ann. Mag. Nat. Hist., London (11) 13, pp. 571-576, pis.l0,ll.
  29. SMOUT, A. H. (1954): Lower Tertiary Foraminifera of the Qatar Peninsula. British Museum (Nat. Hist.), London, pp.1-96, pl. 1-15.