Bibliographies thématiques / Rhaetian Alps

Littérature scientifique sur le sujet « Rhaetian Alps »

Auteur : Grafiati
Publié le 10 mars 2023

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Articles de revues sur le sujet "Rhaetian Alps"

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Senowbari-Daryan, Baba, et Michael Link. « Foraminifera from the Norian–Rhaetian reef carbonates of the Taurus Mountains (Saklıkent, Turkey) ». Geologica Carpathica 68, no 4 (1 août 2017) : 303–17. http://dx.doi.org/10.1515/geoca-2017-0021.

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AbstractNorian–Rhaetian reef carbonates are exposed in several localities in Taurus Mountains. They predominately contain hypercalcified sponges, followed by scleractinian corals and other less numerous organisms. A coherent Norian–Rhaetian reef structure is exposed near the small town of Saklıkent, west of Antalya. Foraminifers occur in reef carbonates of Saklıkent by numerous genera as shown in this paper. Two species —Siculocosta tauricaandSiculocosta sadati— are described as new. The foraminiferal association of Saklıkent is similar or almost identical to the associations known from the Norian–Rhaetian reefs of Sicily, Northern Calcareous Alps, and Greece but shows less similarity to the foraminiferal association from the Apennines, Italy. The most abundant foraminifers are milioliporoids, particularly galeanellids and cucurbitids. Some sessile and agglutinated foraminifers, includingAlpinophragmium perforatumFlügel, which mostly occurs abundantly in the Norian–Rhaetian reef carbonates, could not be found in the Saklıkent reef. This association of foraminifera is reported for the first time from a Norian–Rhaetian reef in the Taurus Mountains of Turkey.
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Senowbari-Daryan, B., et G. D. Stanley. « Taxonomic affinities and paleogeography of Stromatomorpha californica Smith, a distinctive Upper Triassic reef-adapted demosponge ». Journal of Paleontology 83, no 5 (septembre 2009) : 783–93. http://dx.doi.org/10.1666/08-146.1.

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Stromatomorpha californica Smith is a massive, calcified, tropical to subtropical organism of the Late Triassic that produced small biostromes and contributed in building some reefs. It comes from the displaced terranes of Cordilleran North America (Eastern Klamath terrane, Alexander terrane, and Wrangellia). This shallow-water organism formed small laminar masses and sometimes patch reefs. It was first referred to the order Spongiomorphidae but was considered to be a coral. Other affinities that have been proposed include hydrozoan, stomatoporoid, sclerosponge, and chambered sponge. Part of the problem was diagenesis that resulted in dissolution of the siliceous spicules and/or replaced them with calcite. Well-preserved dendroclone spicules found during study of newly discovered specimens necessitate an assignment of Stromatomorpha californica to the demosponge order Orchocladina Rauff. Restudy of examples from the Northern Calcareous Alps extends the distribution of this species to the Tethys, where it was an important secondary framework builder in Upper Triassic (Norian-Rhaetian) reef complexes. Revisions of Stromatomorpha californica produce much wider pantropical distribution, mirroring paleogeographic patterns revealed for other tropical Triassic taxa. Review of Liassic material from the Jurassic of Morocco, previously assigned to Stromatomorpha californica Smith var. columnaris Le Maitre, cannot be sustained. Species previously included in Stromatomorpha are: S. stylifera Frech (type species, Rhaetian), S. actinostromoides Boiko (Norian), S. californica Smith (Norian), S. concescui Balters (Ladinian-Carnian), S. pamirica Boiko (Norian), S. rhaetica Kühn (Rhaetian), S. stromatoporoides Frech, and S. tenuiramosa Boiko (Norian). Stromatomorpha rhaetica Kühn described from the Rhaetian of Vorarlberg, Austria shows no major difference from S. californica. An example described as S. oncescui Balters from the Ladinian-Carnian of the Rarau Mountains, Romania, is very similar to S. californica in exhibiting similar spicule types. However, because of the greater distance between individual pillars, horizontal layers, and the older age, S. oncescui is retained as a separate species. The net-like and regular skeleton of Spongiomorpha sanpozanensis Yabe and Sugiyama, from the Upper Triassic of Sambosan (Tosa, Japan), suggests a closer alliance with Stromatomorpha, and this taxon possibly could be the same as S. californica.
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Schlagintweit, Felix, et Wolfgang Pavlik. « New findings of halimedacean algae from the Late Triassic Dachstein Limestone of the Northern Calcareous Alps (Hochschwab Area, Styria, Austria) ». Geologia Croatica 61, no 2-3 (25 décembre 2008) : 129–33. http://dx.doi.org/10.4154/gc.2008.13.

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Two taxa of halimedacean algae are recorded from the Upper Triassic lagoonal Dachstein Limestone (Norian-Rhaetian) of the Hochschwab area in the south-eastern part of the Northern Calcareous Alps of Austria. They are described in open nomenclature as Halimeda? sp. 1 and Halimeda? sp. 2. In contrast to the widespread occurrence of dasycladacean algae, representatives of Halimedaceans are very rare. These findings are the second record in the Northern Calcareous Alps since FLÜGEL (1975).
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Gale, Luka, Bogomir Celarc, Marcello Caggiati, Tea Kolar-Jurkovšek, Bogdan Jurkovšek et Piero Gianolla. « Paleogeographic significance of Upper Triassic basinal succession of the Tamar Valley, northern Julian Alps (Slovenia) ». Geologica Carpathica 66, no 4 (1 août 2015) : 269–83. http://dx.doi.org/10.1515/geoca-2015-0025.

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AbstractThe Julian Alps (western Slovenia) structurally belong to the eastern Southern Alps. The Upper Triassic succession mostly consists of shallow water platform carbonates of the Dolomia Principale-Dachstein Limestone system and a deep water succession of the Slovenian Basin outcropping in the southern foothills of the Julian Alps. In addition to the Slovenian Basin, a few other intraplatform basins were present, but they remain poorly researched and virtually ignored in the existing paleogeographic reconstructions of the eastern Southern Alps. Herein, we describe a deepening-upward succession from the Tamar Valley (north-western Slovenia), belonging to the Upper Triassic Tarvisio Basin. The lower, Julian-Tuvalian part of the section comprises peritidal to shallow subtidal carbonates (Conzen Dolomite and Portella Dolomite), and an intermediate carbonate-siliciclastic unit, reflecting increased terrigenous input and storm-influenced deposition (Julian-lowermost Tuvalian shallow-water marlstone and marly limestone of the Tor Formation). Above the drowning unconformity at the top of the Portella Dolomite, Tuvalian well-bedded dolomite with claystone intercalations follows (Carnitza Formation). The latter gradually passes into the uppermost Tuvalian–lowermost Rhaetian bedded dolomite with chert and slump breccias, deposited on a slope and/or at the toe-of-slope (Bača Dolomite). Finally, basinal thin-bedded bituminous limestone and marlstone of Rhaetian age follow (Frauenkogel Formation). The upper part of the Frauenkogel Formation contains meter-scale platform-derived limestone blocks, which are signs of platform progradation. The Tarvisio Basin may have extended as far as the present Santo Stefano di Cadore area, representing a notable paleogeographic unit at the western Neotethys margin.
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Gerdol, Renato, et Luca Bragazza. « Syntaxonomy and community ecology of mires in the Rhaetian Alps (Italy) ». Phytocoenologia 31, no 2 (22 juin 2001) : 271–99. http://dx.doi.org/10.1127/phyto/31/2001/271.

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Bechtel, Achim, Reinhard Gratzer et Gerd Rantitsch. « Upper Triassic (Rhaetian) mudstones (Kössen Formation) within the central Gailtal Alps (Eastern Alps, Austria) as potential hydrocarbon source rocks ». Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 222, no 3 (21 décembre 2001) : 427–51. http://dx.doi.org/10.1127/njgpa/222/2001/427.

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Granzow, Wolfgang. « Two new problematic microfossils from Norian and Rhaetian of the Allgäu-Alps ». Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 1989, no 2 (1 février 1989) : 65–78. http://dx.doi.org/10.1127/njgpm/1989/1989/65.

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Muttoni, Giovanni, Dennis V. Kent, Flavio Jadoul, Paul E. Olsen, Manuel Rigo, Maria Teresa Galli et Alda Nicora. « Rhaetian magneto-biostratigraphy from the Southern Alps (Italy) : Constraints on Triassic chronology ». Palaeogeography, Palaeoclimatology, Palaeoecology 285, no 1-2 (janvier 2010) : 1–16. http://dx.doi.org/10.1016/j.palaeo.2009.10.014.

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Gale, Luka, Tea Kolar-Jurkovšek, Andrej Šmuc et Boštjan Rožič. « Integrated Rhaetian foraminiferal and conodont biostratigraphy from the Slovenian Basin, eastern Southern Alps ». Swiss Journal of Geosciences 105, no 3 (octobre 2012) : 435–62. http://dx.doi.org/10.1007/s00015-012-0117-1.

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Scapozza, Cristian, Chantal Del Siro, Christophe Lambiel et Christian Ambrosi. « Schmidt hammer exposure-age dating of periglacial and glacial landforms in the Southern Swiss Alps based on <i>R</i>-value calibration using historical data ». Geographica Helvetica 76, no 4 (15 novembre 2021) : 401–23. http://dx.doi.org/10.5194/gh-76-401-2021.

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Abstract. As a contribution to the palaeoenvironmental history reconstruction of the Alpine periglacial domain, this study focuses on the Schmidt hammer exposure-age dating (SHD) of (peri-)glacial landforms using rebound-value (R-value) calibrations for 10 stations in the Scaradra glacier forefield (north-eastern part of the Ticino Canton, Lepontine Alps) and for 13 stations in the Splügenpass region (located between Switzerland and Italy, Rhaetian Alps). Linear calibration based on the known age of several moraines of the Scaradra glacier assessed by historical cartography allowed the reconstruction of the glacier fluctuations around the end of the Little Ice Age. Timing of deglaciation and of rock glacier development was defined in the Splügenpass region using the calibration of exposure ages based on two mule tracks built in 300 CE and 1250 CE, respectively. Discussion on R-value analysis and calibration improves the knowledge on the potential use of SHD for numerical-age dating in Alpine geomorphological studies.
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Thèses sur le sujet "Rhaetian Alps"

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Delecat, Stefan. « Porifera-microbialites of the Lower Liassic (Northern Calcareous Alps) re-settlement strategies on submarine mounds of dead Rhaetian reefs by ancestral benthic communities / ». Doctoral thesis, [S.l.] : [s.n.], 2005. http://webdoc.sub.gwdg.de/diss/2005/delecat.

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CASALE, STEFANO. « Dating Late Cenozoic glacial variations with surface exposure dating - Datazione delle variazioni glaciali cenozoiche tramite età di esposizione superficiale ». Doctoral thesis, 2017. http://hdl.handle.net/2158/1076534.

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Delecat, Stefan [Verfasser]. « Porifera-microbialites of the Lower Liassic (Northern Calcareous Alps) : re-settlement strategies on submarine mounds of dead Rhaetian reefs by ancestral benthic communities / vorgelegt von Stefan Delecat ». 2005. http://d-nb.info/976941430/34.

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Actes de conférences sur le sujet "Rhaetian Alps"

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Larina, Ekaterina, Niklas Hohmann, Emilia Jarochowska, Sylvain Richoz et David Bottjer. « MICROFACIES AND MACROFAUNAL ANALYSIS OF UPPER RHAETIAN EIBERG MEMBER SEQUENCES FROM THE NORTHERN CALCAREOUS ALPS, AUSTRIA : IMPLICATIONS FOR UNDERSTANDING THE END-TRIASSIC MASS EXTINCTION ». Dans GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-357557.

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