Academic literature on the topic 'Palaeoenvironmental Determination'

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Journal articles on the topic "Palaeoenvironmental Determination"

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O.I., Ejeh. "FORAMINIFERA ASSEMBLAGES: PROXIES FOR PALAEOENVIRONMENTAL DETERMINATION -AN EXAMPLE FROM MAASTRICHTIAN SEDIMENTS OF ORHUA AND ENVIRONS." Continental J. Earth Sciences 6, no. 1 (2011): 8–17. https://doi.org/10.5281/zenodo.833401.

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The study area which is part of the <em>Nkporo</em> Group lies within the Benin flank of the Anambra basin. This study aimed at reconstructing the palaeo-environment of the Nkporo shale outcropping in this part of the basin through field relationship and micropalaeontological studies. The field data shows that the shales are fissile, light to dark grey with intercalations of fine to medium grained sands. The fissility of the shale suggests that it was deposited in low energy environment, distal to proximal lagoon environment. The occurrences of these sandy intercalations within the shales are
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Drinia, H., A. Antonarakou, and M. A. Louvari. "Foraminiferal biostratigraphy and palaeoenviron- mental analysis of the basal part of Kalamavka formation (Late Miocene, Ierapetra Basin, Eastern Crete)." Bulletin of the Geological Society of Greece 47, no. 1 (2016): 102. http://dx.doi.org/10.12681/bgsg.10908.

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This work involves a preliminary quantitative analysis of benthic foraminifera for the purpose of the determination of palaeoenvironmental parameters (oxygenation, palaeobathymetry) of the depositional environment of the lower part of the typical section of Kalamavka Formation, in Ierapetra Basin, eastern Crete. The sediments of the studied section contain a rich foraminiferal fauna, mainly dominated by planktonic species. High resolution planktonic foraminiferal record reveals the presence of N. atlantica praeatlantica, N. acostaensis, P. siakensis suggesting an early Tortonian chronostratigr
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Simmons, M. D., M. D. Bidgood, P. Brenac, P. D. Crevello, J. J. Lambiase, and C. K. Morley. "Microfossil assemblages as proxies for precise palaeoenvironmental determination — an example from Miocene sediments of northwest Borneo." Geological Society, London, Special Publications 152, no. 1 (1999): 219–41. http://dx.doi.org/10.1144/gsl.sp.1999.152.01.13.

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Venkatachala, B. S., R. K. Saxena, H. P. Singh, et al. "Indian Tertiary angiosperm pollen: A critical assessment." Journal of Palaeosciences 43, no. 1-3 (1994): 106–38. http://dx.doi.org/10.54991/jop.1994.1181.

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More than 400 genera and 1000 species of angiosperm pollen are known from the Tertiary sediments of India. It has been observed that large numbers of these taxa are based on one or few specimens and meagre morphological differentiation. Thus, their usefulness is limited, Thanikaimoni et al., (1984) and Venkatachala et al., (989), in an effort to distinguish important stratigraphic and environmental markers, selected several taxa and illustrated, discussed and compared them with the African pollen. In continuation, holotypes, paratypes and other specimens of selected species available at the re
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Lécuyer, C., P. Grandjean, and C. C. Emig. "Determination of oxygen isotope fractionation between water and phosphate from living lingulids: potential application to palaeoenvironmental studies." Palaeogeography, Palaeoclimatology, Palaeoecology 126, no. 1-2 (1996): 101–8. http://dx.doi.org/10.1016/s0031-0182(96)00073-9.

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Mergl, Michal. "Fenestrate Bryozoans in the Acanthopyge Limestone (Eifelian) in the Barrandian Area (Czech Republic)." Folia Musei rerum naturalium Bohemiae occidentalis. Geologica et Paleobiologica 49, no. 1-2 (2015): 9–15. http://dx.doi.org/10.1515/fbgp-2015-0002.

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Abstract The first occurrence of fenestrate bryozoans is reported from the Acanthopyge Limestone (Eifelian) in the Koněprusy area of the Czech Republic. Fragmented zoaria have been identified in lightgrey crinoidal-limestone rich with brachiopods, corals, and stromatoporoids. Several species of fenestrates are evident, but poor preservation and fragmentation of zoaria allow only approximate taxonomic determination. The fenestrates, Fenestella sp., Laxifenestella (?) sp., Hemitrypa sp., Polyporella sp., Ptylopora sp., and Reteporina sp., are illustrated and briefly described. The presence of fe
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Alahmed, Dr Ahmed Asker Najaf, and Amer S. Al-Gibouri. "Geochemical and Palynological Analysis in Assessing Hydrocarbon Potential and Palaeoenvironmental Deposition, North Iraq." Journal of Petroleum Research and Studies 2, no. 1 (2021): 97–116. http://dx.doi.org/10.52716/jprs.v2i1.37.

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Geochemical and Palynological analysis were carried out to assess hydrocarbon potential and palaeoenvironmental deposition for (27) core and cutting rock samples recovered from selected oil exploratory wells , Makhul-2 (Mk-2),Qarachuq-1 (Qc-1) and Qarachuq-2(Qc-2), TaqTaq-1(Taq-1), Butmah-15 (Bm-15), Ajeel-8 (Aj-8)and Jabal kand( Jk -1) ,encountered from Butmah Formation ( Lower-Middle Liassic) , Sargelu Formation (Middle Jurassic ) and Naokelekan Formation (upper Jurassic ) .The value of palynological analyses in the undertaken study is to resolve stratigraphic and palaeoenvironmental consequ
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Píšková, Anna, Matěj Roman, Marie Bulínová, et al. "Late-Holocene palaeoenvironmental changes at Lake Esmeralda (Vega Island, Antarctic Peninsula) based on a multi-proxy analysis of laminated lake sediment." Holocene 29, no. 7 (2019): 1155–75. http://dx.doi.org/10.1177/0959683619838033.

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We have studied laminated sediments from Lake Esmeralda, Vega Island, in order to reconstruct its history. We describe both inorganic and organic components of the sediment using a combination of the following analytical methods: x-ray fluorescence (XRF), x-ray diffraction (XRD), magnetic susceptibility measurement, chemical analysis for determination of cation exchange capacity, grain size determination, geochemical analyses (total inorganic carbon (TIC), total organic carbon (TOC), total sulphur (TS)), spectrophotometry, high-pressure liquid chromatography, and diatom assemblage and faunal r
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Torres, T., J. E. Ortiz, A. M. Blázquez, et al. "The MIS 5 palaeoenvironmental record in the SE Mediterranean coast of the Iberian Peninsula (Río Antas, Almería, Spain)." Climate of the Past Discussions 11, no. 4 (2015): 3897–936. http://dx.doi.org/10.5194/cpd-11-3897-2015.

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Abstract. Landwards of a MIS5 bar, a borehole core (SRA) was analyzed to establish the relationship between the lagoonal record and the raised beach deposits in the surroundings of the Antas river mouth and to reconstruct the Pleistocene palaeoenvironmental evolution of the southern Mediterranean coast of the Iberian Peninsula. 63 samples were recovered for amino acid racemization dating, 86 samples for sedimentological and paleontological determination, 37 samples for pollen identification and 54 for biomarker analysis. AAR revealed that the borehole record contains MIS11, MIS6 and MIS5 depos
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Pidek, Irena Agnieszka, Radosław Dobrowolski, Piotr Zagórski, Jan Rodzik, Edyta Łokas, and Irka Hajdas. "New determination of Pediastrum orientale in polar lake sediments and its palaeoecological implications – Reindeer Lake, Bellsund, Spitsbergen." Acta Palaeobotanica 64, no. 1 (2024): 20–34. http://dx.doi.org/10.35535/acpa-2024-0002.

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The main component of microfossils in the bottom sediments of Reindeer Lake from Spitsbergen, documenting the almost 8,000-year history of this water body, are algae representing colonies of a very rare species Pediastrum orientale (Skuja) Jankovská et Komárek 1995 with only a very small (lower than 1%) admixture of other green algae species. It has also been recorded in other lake sediments in Spitsbergen. The specimens belong to the morphotype “b” of the species, known previously from the Scandinavian lakes. Due to its unique nature and scarce information on ecological conditions, this study
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Book chapters on the topic "Palaeoenvironmental Determination"

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Crossley, Laura H., Peter Langdon, David Sear, John A. Dearing, and Ian W. Croudace. "Palaeoenvironmental determination of biogeochemistry and ecological response in an estuarine marine protected area." In Marine Protected Areas. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-08-102698-4.00034-4.

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