Littérature scientifique sur le sujet « Calcareous fossils »
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Articles de revues sur le sujet "Calcareous fossils"
Anderson, T. F., B. N. Popp, L. Z. HO et A. C. Williams. « The carbon and oxygen isotopic records of fossils from the Lower Oxford Clay ». Paleontological Society Special Publications 6 (1992) : 7. http://dx.doi.org/10.1017/s2475262200005670.
Texte intégralBengtson, Stefan. « Early skeletal fossils ». Paleontological Society Papers 10 (novembre 2004) : 67–78. http://dx.doi.org/10.1017/s1089332600002345.
Texte intégralWilson, J. « Approaches to the preparation and development of calcareous fossils from calcareous matrices ». Geological Curator 4, no 7 (février 1987) : 447–50. http://dx.doi.org/10.55468/gc12.
Texte intégralMiller, Kelly B., et Sara H. Lubkin. « Calicovatellus petrodytes, a new genus and species of primitive vatelline diving beetle (Coleoptera : Dytiscidae : Hydroporinae : Vatellini) from the Miocene Barstow Formation, southern California, USA ». Journal of Paleontology 75, no 4 (juillet 2001) : 890–94. http://dx.doi.org/10.1017/s0022336000016991.
Texte intégralTurner, Judith. « Sponge Gemmules from Lake Sediments in the Puget Lowland, Washington ». Quaternary Research 24, no 2 (juillet 1985) : 240–43. http://dx.doi.org/10.1016/0033-5894(85)90010-9.
Texte intégralLorcher, Fritz, et Thomas Keller. « Preparation Techniques for Material From The Posidonienschiefer (Lias Epsilon, Upper Liassic) of Germany ». Geological Curator 4, no 3 (juillet 1985) : 164–68. http://dx.doi.org/10.55468/gc749.
Texte intégralR. Nimnu, J., G. O Aigbadon et F. Ogbikaya. « Foraminiferal biostratigrpahy of oshi-13 field, coastal and central swamp depobelt, Niger delta basin, Nigeria ». International Journal of Advanced Geosciences 6, no 1 (30 mai 2018) : 127. http://dx.doi.org/10.14419/ijag.v6i1.10907.
Texte intégralNhung, Nguyen Thi Hong, Nguyen Thi Thuy, Nguyen Viet Hien et Nguyen Huu Manh. « Quy trình gia công và phân tích hóa thạch Tảo vôi, áp dụng cho các trầm tích ven biển tỉnh Sóc Trăng ». Tạp chí Khoa học và Công nghệ biển 19, no 4 (27 mars 2020) : 537–44. http://dx.doi.org/10.15625/1859-3097/19/4/12676.
Texte intégralHochuli, Peter A. « ‘Organic nannofossils’ : a new type of palynomorph from the Palaeogene of the North Sea ». Journal of Micropalaeontology 19, no 2 (1 décembre 2000) : 153–58. http://dx.doi.org/10.1144/jm.19.2.153.
Texte intégralOnken, Beth R., et Philip W. Signor. « Lidaconus palmettoensis n. gen. and sp. : an enigmatic Early Cambrian fossil from western Nevada ». Journal of Paleontology 62, no 2 (mars 1988) : 172–80. http://dx.doi.org/10.1017/s0022336000029826.
Texte intégralThèses sur le sujet "Calcareous fossils"
Baky, Alaaeldin Mohamed Abdel. « Maastrichtian to early Eocene calcareous nannofossils from Egypt ». Thesis, University College London (University of London), 1988. http://discovery.ucl.ac.uk/1317747/.
Texte intégralStreet, Christianne. « Palaeobiogeography of Early Cretaceous calcareous nannoplankton ». Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322002.
Texte intégralVan, Niel Brigitta E. « Early Cretaceous Nannoconus (Calcareous nannofossil, Incertae sedis) in NW Europe ». Thesis, University College London (University of London), 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307692.
Texte intégralWindley, Dawn Elizabeth. « Calcareous nannofossil applications in the study of cyclic sediments of the Cenomanian ». Thesis, University College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306898.
Texte intégralHairie, Clara. « La dégradation de Byne : efflorescences de sels de calcium sur les collections de micropaléontologie ». Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPAST084.
Texte intégralThe appearance of crystalline efflorescence on calcareous objects stored in polluted environments is commonly referred to as "Byne's decay". It results from the emission of acidic volatile organic compounds (VOCs) from storage materials, which react with calcium carbonate to form organic calcium salts. This includes acetates and mixed acetate-formate salts that cause irreversible deterioration of the substrate. Until now, only macroscopic objects undergoing Byne's decay had been reported in the literature.This work focuses on how Byne's decay can also affect microscopic calcareous specimens from micropaleontology collections. It was initiated by the digitization of the foraminifera collection of Alcide d'Orbigny (1802-1857), housed at the Muséum national d'Histoire naturelle (MNHN), which revealed significant damage due to the presence of saline efflorescences.A condition report was carried out on the whole of the d'Orbigny collection (more than 3600 specimens), highlighting that the alterations, both ancient and evolutionary, are influenced by the crystallinity of the tests and the origin of the places where the foraminifera were collected. Similar collections closely located were examined for comparison and archival research was conducted to trace the material history of the collection since its entry into the MNHN. They highlight several moves and accidents such as the flooding of the Seine in 1910, which would explain the particularly high levels of humidity inside the tubes where the foraminifera are kept. Significant variations in temperature, combined with the presence of VOC-emitting materials introduced at the end of the 19th century in the assembly of the specimens, are thus at the origin of the acid pollution and the proliferation of salts.At the same time, an artificial aging procedure was developed to reproduce Byne's decay on unaltered specimens. The degradation products formed on the aged specimens, as well as on a representative selection of historical ones, were analysed non-invasively and without contact by using micro-Raman spectroscopy and synchrotron X-ray diffraction. These analyses revealed mineralogical phases different from those observed in the literature on macroscopic collections. Thus, calcium formates and especially the tetragonal polymorphic phase [β-Ca(HCOO)2] known to be unstable when synthesized in laboratory conditions, predominate. No calcium acetate or mixed salt could be identified on d'Orbigny's foraminifera. Aging shows that the relative humidity and the size of the specimens play a primordial role in the formation of the salts: humid conditions favour the crystallization of calcium formate directly on the specimen, while acetate, very hygroscopic, is subject to deliquescence-crystallization cycles that lead to its redispersion around micrometer-scale specimens.Finally, to better understand the predominance of calcium formate [β-Ca(HCOO)2], different calcium formate solutions were left to evaporate and placed in environments with different humidity to study the transformation towards the stable phase [α-Ca(HCOO)2]. Semi-quantitative analysis of the products shows that the presence of ions such as those found in foraminiferal shells (Mg2+, Sr2+…) favours the formation of the metastable phase and slows down the transition β-->α.This work shows that the nature of the salts formed by Byne's decay is not only dependent on the VOCs present, but also on the size of the specimens, their composition, their test crystallization, and the moisture and temperature cycles to which they were exposed
Gaillot, Jérémie. « The late Permian-early Triassic Khuff formation in the Middle-East : sequence biostratigraphy and palaeoenvironments by means of calcareous algae and foraminifers ». Lille 1, 2006. http://www.theses.fr/2006LIL10162.
Texte intégralThe carbonates and evaporites of the late Permian Khuff formation form widespread reservoirs across the Arabian plate and concentrate the biggest gas resources in the world. The material studied includes 6000 samples from subsurface and outcrops in the Persian gulf, Turkey, Saudi Arabia and South China. The objectives of the study were (1) to build a robust biostratigraphic framework based on a detailed description of algal-foraminiferal biotic content, (2) to characterize the depositional environments and their temporal successions during the late Permian and early Triassic. By comparison of fossils distribution, the middle/late Permian Khuff deposits are divided into 8 units limited at their tops by turnovers levels, corresponding to significant reshapings of biotic assemblages. During the late Permian, Zagros (Iran), Taurus (Turkey), South China and even Japan share similar foraminiferal assemblages and represent intermittently connected palaeobiogeographic provinces. Palaeoecological results show that the structurally controlled palaeohighs are successively drowned and that the system evolves progressively from a rimmed platform towards an almost uniformly flat ramp. The major oolitic units (reservoirs) developed within high-subsiding areas by sediment volume funneling, mainly during the late Wuchiapingian (upper k4 reservoir) and early Triassic (k2 reservoir). The thermal subsidence during the Neotethyan spreading is likely the main factor that drove the Khuff deposition on the Arabian platform and can be related to the demise of the regional Permian fauna
Campbell, Robert John. « Calcareous nannofossil and foraminiferal analysis of the middle to upper cretaceous Bathurst Island Group, Northern Bonaparte Basin and Darwin Shelf, Northern Australia ». University of Western Australia. School of Earth and Geographical Sciences, 2003. http://theses.library.uwa.edu.au/adt-WU2003.0025.
Texte intégralPetrocchi, Francesca. « Paleo- ecologia dei Foraminiferi in ambiente estremo : un caso di studio in Antartide ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/9763/.
Texte intégralFindlay, CS. « Living and fossil calcareous nannoplankton from the Australian sector of the Southern Ocean : Implications for Paleoceanography ». Thesis, 1998. https://eprints.utas.edu.au/17686/1/findlay_thesis.pdf.
Texte intégralYoung, Marty. « The distribution of organic-and calcareous-walled dinoflagellate cysts from the eastern Indian Ocean : a proxy for late Quaternary palaeo-oceanographic reconstructions ». Phd thesis, 2005. http://hdl.handle.net/1885/151086.
Texte intégralLivres sur le sujet "Calcareous fossils"
Aubry, Marie-Pierre. Handbook of Cenozoic calcareous nannoplankton. New York : Micropaleontology Press, American Museum of Natural History, 1987.
Trouver le texte intégralRobert, Riding, et International Symposium on Fossil Algae (4th : 1987 : Cardiff, Wales), dir. Calcareous algae and stromatolites. Berlin : Springer-Verlag, 1991.
Trouver le texte intégralKleijne, A. Morphology, taxonomy and distribution of extant coccolithophorids (calcareous nannoplankton). [s.l : s.n.], 1993.
Trouver le texte intégralFinks, Robert M. Some new genera of Paleozoic calcareous sponges. Lawrence, Kansas : University of Kansas, 1995.
Trouver le texte intégralDriever, B. W. M. Calcareous nannofossil biostratigraphy and paleoenvironmental interpretation of the Mediterranean Pliocene. Utrecht, Netherlands : U.M.B., 1988.
Trouver le texte intégralBybell, Laurel M. Cenozoic calcareous nannofossil biostratigraphy of the Dover Je32-04 drillhole, Kent County, Delaware. [Reston, Va?] : Dept. of the Interior, U.S. Geological Survey, 1995.
Trouver le texte intégralBybell, Laurel M. Calcareous nannofossils and planktic foraminifers from Enewetak Atoll, western Pacific Ocean. Washington : U.S. G.P.O., 1991.
Trouver le texte intégralEhrendorfer, Thomas Wolfgang. Late cretaceous (Maestrichtian) calcareous nannoplankton biogeography : With emphasis on events immediately preceding the cretaceous/paleocene boundary. Woods Hole, Mass : Woods Hole Oceanographic Institution, 1993.
Trouver le texte intégralBybell, Laurel M. Evolutionary, biostratigraphic, and taxonomic study of calcareous nannofossils from a continuous Paleocene-Eocene boundary section in New Jersey. Washington : U.S. G.P.O., 1994.
Trouver le texte intégralDowsett, Harry J. Documentation of the Santonian-Campanian and Austinian-Tayloran stage boundaries in Mississippi and Alabama using calcareous microfossils. Washington, DC : U.S. Government Printing Office, 1989.
Trouver le texte intégralChapitres de livres sur le sujet "Calcareous fossils"
Keupp, H. « Fossil Calcareous Dinoflagellate Cysts ». Dans Calcareous Algae and Stromatolites, 267–86. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-52335-9_14.
Texte intégralWu, X. « Fossil Udoteaceae and Gymnocodiaceae ». Dans Calcareous Algae and Stromatolites, 146–66. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-52335-9_9.
Texte intégralLedger, P. W., et W. C. Jones. « On the Structure of Calcareous Sponge Spicules ». Dans Fossil and Recent Sponges, 341–59. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75656-6_27.
Texte intégralRigby, J. K. « Evolution of Paleozoic Heteractinid Calcareous Sponges and Demosponges — Patterns and Records ». Dans Fossil and Recent Sponges, 83–101. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75656-6_8.
Texte intégralReitner, J. « Phylogenetic Aspects and New Descriptions of Spicule-Bearing Hadromerid Sponges with a Secondary Calcareous Skeleton (Tetractinomorpha, Demospongiae) ». Dans Fossil and Recent Sponges, 179–211. Berlin, Heidelberg : Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75656-6_15.
Texte intégralWagreich, Michael. « A review of low-latitude “Tethyan” calcareous nannoplankton assemblages of the Cretaceous ». Dans New Aspects on Tethyan Cretaceous Fossil Assemblages, 45–55. Vienna : Springer Vienna, 1992. http://dx.doi.org/10.1007/978-3-7091-5644-5_4.
Texte intégralRosenthal, Yair. « Chapter Nineteen Elemental Proxies for Reconstructing Cenozoic Seawater Paleotemperatures from Calcareous Fossils ». Dans Developments in Marine Geology, 765–97. Elsevier, 2007. http://dx.doi.org/10.1016/s1572-5480(07)01024-x.
Texte intégralRosenthal, Y., et B. Linsley. « PALEOCEANOGRAPHY, PHYSICAL AND CHEMICAL PROXIES | Mg/Ca and Sr/Ca Paleothermometry from Calcareous Marine Fossils ». Dans Encyclopedia of Quaternary Science, 871–83. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-444-53643-3.00290-9.
Texte intégralBraga, J. C., et R. Riding. « FOSSIL PLANTS | Calcareous Algae ». Dans Encyclopedia of Geology, 428–36. Elsevier, 2005. http://dx.doi.org/10.1016/b0-12-369396-9/00951-5.
Texte intégralBeauchamp, Benoit, Charles M. Henderson, Elinda Dehari, Daniela Waldbott Von Bassenheim, Sean Elliot et Daniel Calvo González. « Carbonate Sedimentology and Conodont Biostratigraphy of Late Pennsylvanian–Early Permian Stratigraphic Sequences, Carlin Canyon, Nevada : New Insights into the Tectonic and Oceanographic Significance of an Iconic Succession of the Basin and Range ». Dans Late Paleozoic and Early Mesozoic Tectonostratigraphy and Biostratigraphy of Western Pangea, 34–71. SEPM (Society for Sedimentary Geology), 2022. http://dx.doi.org/10.2110/sepmsp.113.14.
Texte intégralActes de conférences sur le sujet "Calcareous fossils"
Putri, D. ,. A. ,. L. ,. A. « Morphotectonic Analysis of Tanjung Bungo Area Based on Geological Structure Control, Central Sumatera Basin ». Dans Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-sg-254.
Texte intégralQu, Hai, Xiangjun Chen, Ying Liu, Xu Liu et Zhijun Zeng. « Nuclear Magnetic Resonance Experimental Study on Pore Structure Effect of Deep Shale Under Liquid Nitrogen Freezing ». Dans 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0384.
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