阿尔泰东北部古里扬诺夫卡组上奥陶统牙形刺新资料

Q4 Earth and Planetary Sciences

Geology and Mineral Resources of Siberia Pub Date : 2021-12-01 DOI:10.20403/2078-0575-2021-4-3-11

D. A. Pecherichenko, O. Obut, N. Sennikov

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引用次数: 0

摘要

对戈尔尼-阿尔泰东北部Guryanovka组关键剖面（比亚和布拉剖面）的详细研究首次揭示了具有代表性的牙形石集合。牙形石动物群由9属12种组成：Belodina compressa（Branson and Mehl，1933）、Phragmodus undatus Branson and Mehl，1933、Panderodus gracilis（Branson和Mehl，1993）、Panderodos acostatus（Branson，Branson，1947）、Tasmagnatus careyi Burret，1979、Aphelognathus sp.、Panderodus sp.、Drepanoistodus sp。首次在Gorny Altai（连续Biya段，第三单元底部）确定了P.undatus牙形刺带的精确位置。

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A NEW DATA ON UPPER ORDOVICIAN CONODONTS FROM THE GURYANOVKA FORMATION, NORTHEAST OF GORNY ALTAI

The detailed study of the Guryanovka Formation key sections at the northeast of Gorny Altai (Biya and Bura sections) for the first time revealed the representative collection of conodonts. The conodont fauna is composed of 12 species belong to 9 genera: Belodina compressa (Branson and Mehl, 1933), Phragmodus undatus Branson and Mehl, 1933, Panderodus gracilis (Branson and Mehl, 1933), Panderodus acostatus (Branson, Branson, 1947), Tasmanognatus careyi Burret, 1979, Aphelognathus sp., Panderodus sp., Drepanoistodus sp., Drepantodus sp., Colaptoconus sp., Paltodus sp., Scandodus sp. For the first time, the precise position of the P. undatus conodont Zone was defined in Gorny Altai (continuous Biya Section, base of unit 3).

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来源期刊

Geology and Mineral Resources of Siberia Earth and Planetary Sciences-Geology

CiteScore

0.30

自引率

0.00%

发文量