A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys

Evaporitic gypsum deposits represent an important paleoenvironmental record of the Miocene Badenian of the Carpathian Mountains belt. In this study, we developed a nontoxic method to concentrate calcareous microfossils from gypsum (CaSO<sub>4</sub>·2H<sub>2</sub>O), by treati...

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Main Authors: Hans-Peter Bojar, Claudia Antoniade, Victor Barbu, Ana-Voica Bojar
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Geosciences
Subjects:
Online Access:https://www.mdpi.com/2076-3263/10/5/158
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author Hans-Peter Bojar
Claudia Antoniade
Victor Barbu
Ana-Voica Bojar
author_facet Hans-Peter Bojar
Claudia Antoniade
Victor Barbu
Ana-Voica Bojar
author_sort Hans-Peter Bojar
collection DOAJ
description Evaporitic gypsum deposits represent an important paleoenvironmental record of the Miocene Badenian of the Carpathian Mountains belt. In this study, we developed a nontoxic method to concentrate calcareous microfossils from gypsum (CaSO<sub>4</sub>·2H<sub>2</sub>O), by treating the sulfate with ammonium acetate. We applied the newly developed method to gypsum collected from the Evaporitic Formation outcropping northward of Slănic-Prahova in the Eastern Carpathians. For the first time for this formation, we describe a calcareous microfossil assemblage characterized by the presence of planktonic foraminifera as well as cysts and fragments of calcareous algae.
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spelling doaj.art-fccaf26abbb04e37a464062864f9b20d2023-11-19T22:55:22ZengMDPI AGGeosciences2076-32632020-04-0110515810.3390/geosciences10050158A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of ParatethysHans-Peter Bojar0Claudia Antoniade1Victor Barbu2Ana-Voica Bojar3Studienzentrum Naturkunde—Mineralogie, Universalmuseum Joanneum, Weinzöttlstraße 16, 8045 Graz, AustriaOMV Petrom, Research and Design Institute of Technology Petrom Câmpina, Culturii Bldv 29, Câmpina, 15600 Prahova, RomaniaOMV Petrom, Coralilor str. 22, 013329 Bucharest, RomaniaStudienzentrum Naturkunde—Mineralogie, Universalmuseum Joanneum, Weinzöttlstraße 16, 8045 Graz, AustriaEvaporitic gypsum deposits represent an important paleoenvironmental record of the Miocene Badenian of the Carpathian Mountains belt. In this study, we developed a nontoxic method to concentrate calcareous microfossils from gypsum (CaSO<sub>4</sub>·2H<sub>2</sub>O), by treating the sulfate with ammonium acetate. We applied the newly developed method to gypsum collected from the Evaporitic Formation outcropping northward of Slănic-Prahova in the Eastern Carpathians. For the first time for this formation, we describe a calcareous microfossil assemblage characterized by the presence of planktonic foraminifera as well as cysts and fragments of calcareous algae.https://www.mdpi.com/2076-3263/10/5/158chemical preparation methodgypsum depositscalcareous microfossil assemblageMioceneEastern Carpathians
spellingShingle Hans-Peter Bojar
Claudia Antoniade
Victor Barbu
Ana-Voica Bojar
A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
Geosciences
chemical preparation method
gypsum deposits
calcareous microfossil assemblage
Miocene
Eastern Carpathians
title A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
title_full A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
title_fullStr A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
title_full_unstemmed A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
title_short A New Preparation Method of Microfauna from Gypsum: Micropaleontological Association from the Middle Miocene Badenian Gypsum Deposits of Paratethys
title_sort new preparation method of microfauna from gypsum micropaleontological association from the middle miocene badenian gypsum deposits of paratethys
topic chemical preparation method
gypsum deposits
calcareous microfossil assemblage
Miocene
Eastern Carpathians
url https://www.mdpi.com/2076-3263/10/5/158
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