On the presence of Marginulina prima Range–Zone (Foraminifera) from the Lower Jurassic of Bulgaria

Pages: 
pp. 71-73
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Abstract: 

On the base of the analysis of the taxonomic composition and sequence of the foraminifers from the Lower Jurassic in boreholes sections and outcrops of North Bulgaria and adjacent area of Central Forebalkan, Marginulina prima Range-Zone has been introduced. The Zone characterizes the Pliensbachian Stage.

Е. Трифонова, Д. Иванова. О присуствии Marginulina prima рейндж-зоны (Foraminiferа) в нижней юре в Болгарий. На основе анализа таксономического состава и фораминиферовых последовательностей в нижней юре по разрезам скважин и по обнажениям в Северной Болгарии и на прилежащих территориях Предбанканья введена рейндж-зона Marginulina prima. Зона характеризует Плийнсбахский ярус.

VOLUME 25 (1)/February 1995

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geologiský ústav “D. Stúra”, Mlýnska dol., 1, Blatislava 80940
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Survey, Jerusalem, Israel
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M.A.F.I., Népstadion ut., 14, Budapest 1142

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Lead-Zinc Mines “Sasa”, Makedonska Kamenica
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Rudarsko-geološki fakultet, Štip

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Geological Institute of Bulgarian Academy of Sciences
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Geological Institute of Bulgarian Academy of Sciences
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University of Sofia "St. Kl. Ohridski"

Geological-geographic Department, Sofia University "St. Kliment Ohridski", 1000 Sofia
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5058 Village of Hotnitsa, Veliko Târnovo District

Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria