Biostratigraphic Characteristic of the Frasnian Age (Upper Devonian) Reference Section in the Central Voronezh Anteclise (Shchigry-16 Borehole, Nizhnekrasnoe Village, Kursk Oblast)

2019 ◽  
Vol 27 (2) ◽  
pp. 207-233 ◽  
Author(s):  
V. M. Nazarova ◽  
L. I. Kononova ◽  
T. A. Kulashova ◽  
E. L. Zaytseva
Keyword(s):  
Upper Devonian ◽  
Voronezh Anteclise ◽  
Kursk Oblast ◽  
Reference Section

scholarly journals Frasnian age (upper devonian) key section biostratigraphic characteristic of Voronezh anteclise middle part (well 16, Schigry, Nizhnekrasnoe village, Kursky region)

2019 ◽  
Vol 27 (2) ◽  
pp. 80-106
Author(s):  
V. М. Nazarova ◽  
L. I. Kononova ◽  
T. А. Kulashova ◽  
Е. L. Zaytseva
Keyword(s):  
Middle Part ◽  
Upper Devonian ◽  
Stage Ii ◽  
Voronezh Anteclise ◽  
Regional Stage ◽  
Conodont Zonation

Conodonts, scolecodonts, and foraminifers were studied from Frasnian age deposits of Well 16 Schigry (Nizhnekrasnoe village, Voronezh anteclise). Six conodont complexes are identified: I in Timan regional stage, II and III in Sargaevo regional stage, and IV and VI in Semiluky regional stage. Correlation by local zonal units and Standard Conodont Zonation is performed. Shallow environment is confirmed for Timan regional stage, the deepest environment settings is confirmed for Semiluky regional stage. Five scolecodont complexes are identified: complexes 1 and 2 for Sargaevo regional stage, complexes 3 and 4 for Semiluky regional stage, and complex 5 for the upper part of Semiluky regional stage and Voronezh regional stage. Foraminifers are presented by two complexes: first for Sargaevo regional stage and the second for the Semiluky regional stage. The characteristic microfossils species are given in plates.

scholarly journals Mamon stratum of the upper devonian of the Voronezh anteclise - new kaolin-bearing province

2019 ◽  
Vol 489 (6) ◽  
pp. 621-625
Author(s):  
A. D. Savko ◽  
V. M. Novikov ◽  
N. M. Boeva ◽  
A. V. Krainov ◽  
A. V. Milash ◽  
...  
Keyword(s):  
Iron Oxides ◽  
Organic Substance ◽  
Upper Devonian ◽  
Voronezh Anteclise ◽  
Ore Minerals ◽  
Secondary Kaolin

The lithofacies analysis of the Mamon showed showed that secondary kaolin deposits, forming a new kaolin-bearing province in the southern part of the Voronezh anteklise, are associated with a complex of deluvial-proluvial, lacustrine-boggy, and floodplain-oxbow deposits. The main ore minerals are kaolinite, quartz and secondary iron oxides and gibbsite. The presence of both terrigenous and autistic kaolinite was revealed. An important role in the formation of the latter, as well as gibbsite, played an organic substance.

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