Daniel Tabara

Daniel Tabara
Universitatea Alexandru Ioan Cuza | UAIC · Department of Geology

PhD

About

39
Publications
10,622
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142
Citations
Additional affiliations
February 2016 - February 2016
Universitatea Alexandru Ioan Cuza
Position
  • Assist. professor

Publications

Publications (39)
Article
A palynological and organic geochemical study of the Upper Cretaceous deposits cropping out in the southwestern part of the Transylvanian Basin (Petreşti section) has been carried out. The samples were collected from the marine Bozeş as well as from the overlying continental Sebeş formations, with main focus on the Bozeș Formation. The recovered pa...
Article
At the beginning of the 20th century, the Croatian-Hungarian palaeontologist Ottokár Kadić discovered a rich Late Cretaceous vertebrate assemblage around Vălioara in the Haţeg Basin, including fossils of several dinosaurs and the lectotype of the eusuchian Allodaposuchus. These fossils were collected from seven main localities and have been housed...
Article
Abstract As a part of our palynological investigations of the Upper Cretaceous deposits from the Rif Chain, the present study of the dinoflagellate cyst assemblage distribution and palynofacies is carried out in the Bou Lila section, located northeast of the city of Ksar El-Kébir (External Rif, northwestern Morocco). We aim for age refinement and i...
Article
Palynomorph assemblages and palynofacies analyses have been performed on several core samples from the Devonian–Carboniferous deposits identified in five wells located within the eastern region of the Moesian Platform. The investigated sections include, in ascending stratigraphic order, the Ţăndărei, Smirna, Călăraşi and Vlaşin formations. Based on...
Article
Romania has a long history of hydrocarbon production and tens of thousands of boreholes have penetrated Miocene strata. Many well cores or cuttings have been either lost or damaged, but lab reports containing valuable petrographic, paleontological and structural data are still available. Most of the knowledge of the subsurface relies on old descrip...
Article
We present biostratigraphical and palaeoenvironmental analyses based on palynology and palynofacies of marine and terrestrial deposits that crop out in the central and northwestern part of the Haţeg Basin. Samples were collected from the Răchitova and Sînpetru formations. The former yielded well-preserved palynological assemblages of both terrestri...
Article
Full-text available
A palynological and palynofacies investigation conducted on Oligocene bituminous rocks of the Tarcău Nappe (Eastern Carpathians) has allowed recovery of marine palynomorphs (dinoflagellate cysts), spores and pollen, associated with an abundant amorphous organic matter. The dinoflagellate cyst taxa (e.g., Rhombodinium draco, Wetzeliella gochtii, W....
Article
Full-text available
A palynological study of upper most Maastrichtian to Lower Paleocene deposits from a stratigraphic section of the Vrancea Nappe (Eastern Carpathians), reveals the presence of diverse and well-preserved dinoflagellate cyst assemblages. The biostratigraphic interpretation of these dinocyst assemblages suggests that (1) the Cretaceous-Paleogene bounda...
Article
Full-text available
Potentially gas bearing shales and argillites are connected to the foreland Carpathians, in the platform units, at depth exceeding 2500-3000 m (south of Moldavian Platform, Scythian Platform (Bârlad Depression), and Moesian Platform with its extension in South Dobrogea. The formations developed in the sediment dump of the Moldavian Platform, contai...
Conference Paper
Full-text available
Potentially gas bearing shales and argillites are connected to the foreland Carpathians, in the platform units, at depth exceeding 2500–3000 m (south of M oldavian Platform, Scythian Platform (Bârlad Depression), and Moesian Platform with its extension in South Dobrogea. The formations developed in the sediment dump of the Moldavian Platform, conta...
Article
Full-text available
Potentially gas bearing shales and argillites are connected to the foreland Carpathians, in the platform units, at depth exceeding 2500-3000 m (south of Moldavian Platform, Scythian Platform (Bârlad Depression), and Moesian Platform with its extension in South Dobrogea. The formations developed in the sediment dump of the Moldavian Platform, contai...
Research
Full-text available
Palynological and palynofacies data described in this paper come from analysis of Gura Şoimului Formation identified in Bistriţa-Râşca Half-window. Among the palynomorphs identified mention species of phytoplankton (Operculodinium centrocarpum, Deflandrea sp. a.o.) ferns (Leiotriletes triangulatoides Krutzsch 1962, Laevigatosporites gracilis Wilson...
Article
Full-text available
The present study focuses on the palynological assemblage and palynofacies of the Upper Burdigalian – Lower Badenian deposits from the Subcarpathian Nappe. The assemblage of aquatic microfossils indicates an inner neritic setting with normal water salinity, while the continental vegetation consists of taxa originating from swampy areas (Taxodium, M...
Article
Full-text available
A palynological, palynofacies and geochemical investigation conducted on Oligo-Miocene bituminous rocks of the Lower Dysodilic Shale Formation and the Upper Dysodilic Shale Formation (Eastern Carpathians) has allowed recovery of pollen and spore assemblages associated with marine palynofossils (dinoflagellates and prasinophyte algae) and phytoclast...
Article
Full-text available
This study focused on the Cretaceous black shale from Audia Formation which cropping out in the Eastern Carpathians. This is multidisciplinary approach to the study of some samples from these formation, supported by organic petrography (palynofacies, Thermal Alteration Index – TAI, fluorescence) and organic geochemistry (Total Organic Carbon – TOC)...
Article
Full-text available
Few climatic parameters available for the stratigraphic interval between Aquitanian – Pontian from Romania, have been obtained after analysis of the palynological associations using the Coexistence Approach. The results obtained for MAT (mean annual temperature), MAP (mean annual precipitations), WMT (mean temperature of the warmest month), CMT (me...
Article
Full-text available
In the present paper, 24 palaeobotanical assemblages were analysed and, by applying the Coexistence Approach method, the MAT (Mean Annual Temperature), MAP (Mean Annual Precipitations), CMT (Coldest Month Mean Temperature) and WMT (Warmest Month Mean Temperature) were calculated for the Sarmatian deposits from the north-east of Romania. The values...
Article
Full-text available
Palynological and palynofacies data described in this paper come from analysis of Gura Şoimului Formation identified in Bistriţa-Râşca Half-window. Among the palynomorphs identified mention species of phytoplankton (Operculodinium centrocarpum, Deflandrea sp. a.o.) ferns (a.o.). Mean Annual Temperature deducted on account of continental palynomorph...
Article
Full-text available
The study area is located 10 km east of the city of Fălticeni (Suceava County), in the Preuteşti village. According to Ţibuleac (1998), the age of the deposits from the Ciofoaia brook is Volhynian. 12 samples were collected from the outcrop, out of which 4 were used for palynological investigations. In order to reconstruct the palaeoclimate based o...
Article
Full-text available
The studied borehole is located near the city of Fălticeni, in the western part of the Moldavian Platform. The lithology consists of sands/sandstone, claystone and shale. In the present study, for the interpretation of the palynofacies, 16 samples from the Baia borehole, collected at depths between 290 and 1050 m, have been analyzed. For the analys...
Article
Full-text available
The present paper analyzes the palynofacies and maturation degree for bituminous rocks belonging to the Tarcău and Vrancea Nappes (Gura Humorului-Frasin area). The organic constituents discovered in the samples analyzed consist, in a large proportion, of amorphous organic matter, followed by phytoclasts and palynomorphs. The prevailing component in...
Article
Full-text available
Among the paleontological reservations, the Scheia area (located 25 km south of city of Iasi, in NE of Romania) marks an outstanding representative Sarmatian fossil association, in the Moldavian Platform (Eastern Paratethys). The area was declared as natural reservation in 2004 (Romanian Government Decision no. 2151/2004) and is actually managed by...
Article
Full-text available
The association of macro- and microflora founded in the outcrop from Stan hill; Hill is of the Basarabian age. It consists of 12 taxa of macroflora and 66 palynological taxa. Ther was observed a domination of monocotyledonous angiosperms represented by Typha(among the macrofloristic taxa), the Daphnogene gender being for the first time mentioned in...
Article
Full-text available
The main objective of this study was to identify, describe and interpret and the paleofloristic taxa from the outcrop from Ţiganca River. For the area Fălticeni -Sasca – Răuceşti, Ţibuleac (1998) manage to split the interval between Volhynian and Basarabian in 4 lithological units. For our study we are interested by Fălticeni-Boroaia Formation. Lit...
Article
Full-text available
The region studied is situated in the central part of the Moldavian Platform, at approximately 10 km south from Iaşi municipality, close to Bârnova rail station. From the stratigraphic point of view, the "Bârnova sands" are surrounded by Atanasiu (1945), Jeanrenaud (1963, 1971), Ionesi and Cochior (1995) at the Upper Basarabian. From the lithologic...
Article
Full-text available
The Maeotian and Chersonian palaeofloristic assemblage is the first to be described for the Scythian Platform. The Chersonian palynological assemblage belongs to the Balta-Păun Formation and is dominated by the Pseudoschizaea genus, indicating a lacustrine/deltaic environment. The same biotope is revealed by the Hydrosporis, Sparganium and Nymphaea...
Article
Full-text available
The Silurian deposits from the Podolia Region outcrop very clearly along the valley of the Dnestr river and its left-side tributaries. Some of the outcrop deposits are represented by the Malynivtsy Formation (Middle-Upper Ludlowian in age) and the Skala Formation (Upper Ludlowian in age). The ages of these formations have been established through t...
Article
A new fossil plant assemblage was collected from a quarry located within the Pîrteştii de Sus locality (Suceava county). Plant remains, mainly a good preserved leaves were fossilized in a litoral-neritic facies. The age of this deposits is Upper Volhynian. The palaeoflora includes 8 species of angiosperms, belonging to 7 families. Was observed a pr...
Article
Full-text available
The most complete data belong to Jeanrenaud (1971, 1995), who separated the Basarabian deposits with marine-brackish fauna into 2 "horizons" (the oolitic limestone with Mactra podolica EICHWALD, 1853 and the sands and the sandstones from Şcheia), and at the final part the "upper horizon" with Unio and Helix. L. Ionesi and B. Ionesi (2000) included...

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Projects

Projects (2)
Project
- mapping the diversity and spatio-temporal distribution of the endemic kogaionid multituberculates - comparative study of the brain structure and sensory capabilities of the kogaionids, in the framework of Multituberculata and basal Mammaliaformes, and their palaeobiological implications - identification of potential relationships between the evolutionary fate of the kogaionids and their palaeobiology
Project
NECLIME is an open international network of scientists working on Cenozoic climate evolution and related changes of continental ecosystems. During the past 65 million years of Earth history, globally warmer-then-present conditions prevailed in a world with almost modern paleogeography. These timespans represent promising case studies for anticipated future scenarios. Within the NECLIME network, we aim to combine data on past climate change and its environmental impact for large-scale reconstructions. NECLIME research activities comprise paleoclimate reconstructions, including atmospheric CO₂ and ecosystem analysis using multiple quantitative methods on various primarily continental proxies (plants; vertebrates; invertebrates; geochemistry and geological proxies). Complementing model studies are employed to assess connections and processes driving ocean, atmosphere and biosphere at global and regional scales. NECLIME was established in 1999 with the aim to understand Neogene trends across Eurasia. This basic idea quickly and constantly expanded to a global interest and a wider stratigaphical frame. The steadily growing NECLIME network with currently around 140 members in 34 countries is coordinated by a team of researchers and an advisory board. NECLIME holds annual conferences and workshops and administers working groups bringing forward scientific exchange, joint projects, and the integration of research data. For more information go to www.neclime.de