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Stuttgart Formation

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Geochronology is the science of determining the age of rocks , fossils , and sediments using signatures inherent in the rocks themselves. Absolute geochronology can be accomplished through radioactive isotopes , whereas relative geochronology is provided by tools such as paleomagnetism and stable isotope ratios . By combining multiple geochronological (and biostratigraphic ) indicators the precision of the recovered age can be improved.

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23-1232: (Redirected from Schilfsandstein ) Stuttgart Formation Stratigraphic range : Carnian ~ 235–222  Ma PreꞒ Ꞓ O S D C P T J K Pg N Type Formation Unit of Keuper Sub-units Ansbachersandstein & Schilfsandstein members Underlies Weser & Steigerwald Formations Overlies Grabfeld & Benk Formations Lithology Primary Sandstone Other Claystone Location Coordinates 49°12′N 9°18′E  /  49.2°N 9.3°E  / 49.2; 9.3 Approximate paleocoordinates 21°24′N 14°54′E  /  21.4°N 14.9°E  / 21.4; 14.9 Region Baden-Württemberg , Bavaria , North Rhine-Westphalia Country [REDACTED]   Germany [REDACTED]   Switzerland Type section Named for Stuttgart [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] Stuttgart Formation (Germany) The Stuttgart Formation

46-468: A partial femur . A fragmentary mandible from the Stuttgart Formation of Bavaria , Germany may also be referrable to Woznikella . The Woźniki fossil assemblage was first discovered in 2007, and the remains of Woznikella were first formally reported on in 2010. A full description of the remains was published in 2023 by Polish palaeontologists Tomasz Szczygielski and Tomasz Sulej, wherein it

69-775: A proxy for the age at which a surface, such as an alluvial fan, was created. Burial dating uses the differential radioactive decay of 2 cosmogenic elements as a proxy for the age at which a sediment was screened by burial from further cosmic rays exposure. Luminescence dating techniques observe 'light' emitted from materials such as quartz, diamond, feldspar, and calcite. Many types of luminescence techniques are utilized in geology, including optically stimulated luminescence (OSL), cathodoluminescence (CL), and thermoluminescence (TL). Thermoluminescence and optically stimulated luminescence are used in archaeology to date 'fired' objects such as pottery or cooking stones and can be used to observe sand migration. Incremental dating techniques allow

92-483: A reference for newly obtained poles for the rocks with unknown age. For paleomagnetic dating, it is suggested to use the APWP in order to date a pole obtained from rocks or sediments of unknown age by linking the paleopole to the nearest point on the APWP. Two methods of paleomagnetic dating have been suggested: (1) the angular method and (2) the rotation method. The first method is used for paleomagnetic dating of rocks inside of

115-2797: Is a geologic formation in Germany . It preserves fossils dating back to the Carnian stage of the Triassic period . Fossil content [ edit ] See also: Ansbachersandstein § Fossil content Temnospondyls [ edit ] Cyclotosaurus buechneri C. robustus Hyperokynodon keuperinus Mastodonsaurus andriani Metoposaurus diagnosticus Gerrothorax sp. Therapsids [ edit ] Kannemeyeriiformes indet. (Possibly Woznikella triradiata ) Reptiles [ edit ] Dyoplax arenaceus Zanclodon subcylindrodon Archosauria indet. Fish [ edit ] Lissodus sp. Palaeobates sp. Invertebrates Aviculomyalina angusta Cyzicus laxitextus C. cf. dorsorectus C. minutus Homomya bilonga H. simplex Myalina rotundata Mytilus acutefinitus M. avirostrum M. hasta M. minutus M. peregrinus M. sulmensis Lithophaga buchhornensis L. lennachensis L. producta L. vermiculata Mactromya altera M. equisetitis Modiolus eberstadtensis M. formosissimus M. mediocarinatus M. minalatus M. parallelus M. parvoblongus M. suprarectus M. transiens M. triangulus Myoconcha aperina M. longaperina M. ovulum M. scalprosa M. cf. woehrmanni M. aff. aquatensis Parallelodon beyrichii Pinna mediokeuperina Pleuromya curta P. nitens Schafhaeutlia aff. liscaviensis Thracia keuperina Trigonodus cf. grandis T. pygmaeus T. singularis T. wuertembergicus Asmussia sp. Gervillia sp. ?Gryphaea sp. Myoconcha sp. Mytilus sp. Trigonodus sp. Flora [ edit ] Clathrophyllum meriani Danaeopsis marantacea D. rumphi Desmiophyllum imhoffi Dioonitocarpidium pennaeforme Neocalamites meriani Pagiophyllum foetterlei Voltziopsis coburgensis Widdringtonites keuperianus Equisetites sp. Pterophyllum sp. See also [ edit ] List of fossiliferous stratigraphic units in Germany List of fossiliferous stratigraphic units in Switzerland Benkersandstein , contemporaneous ichnofossiliferous formation of Bavaria Chañares Formation , fossiliferous formation of

138-657: Is also correct to say that fossils of the genus Tyrannosaurus have been found in the Upper Cretaceous Series. In the same way, it is entirely possible to go and visit an Upper Cretaceous Series deposit – such as the Hell Creek deposit where the Tyrannosaurus fossils were found – but it is naturally impossible to visit the Late Cretaceous Epoch as that is a period of time. Woznikella Woznikella

161-491: Is also often used as a dating tool in archaeology, since the dates of some eruptions are well-established. Geochronology, from largest to smallest: It is important not to confuse geochronologic and chronostratigraphic units. Geochronological units are periods of time, thus it is correct to say that Tyrannosaurus rex lived during the Late Cretaceous Epoch. Chronostratigraphic units are geological material, so it

184-518: Is an extinct genus of kannemeyeriiform dicynodont from the Late Triassic ( Carnian and potentially Norian ) of Poland and possibly Germany of Europe . The type and only known species is W. triradiata . It was discovered in the Grabowa Formation of southern Poland at a locality near the town of Woźniki for which the genus name is named after. The specific name refers to

207-461: Is different in application from biostratigraphy, which is the science of assigning sedimentary rocks to a known geological period via describing, cataloging and comparing fossil floral and faunal assemblages. Biostratigraphy does not directly provide an absolute age determination of a rock, but merely places it within an interval of time at which that fossil assemblage is known to have coexisted. Both disciplines work together hand in hand, however, to

230-528: The Ar/ Ar dating method can be extended into the time of early human life and into recorded history. Some of the commonly used techniques are: A series of related techniques for determining the age at which a geomorphic surface was created ( exposure dating ), or at which formerly surficial materials were buried (burial dating). Exposure dating uses the concentration of exotic nuclides (e.g. Be, Al, Cl) produced by cosmic rays interacting with Earth materials as

253-1157: The Ischigualasto-Villa Unión Basin , Argentina Candelária Formation , contemporaneous fossiliferous formation of the Paraná Basin, Brazil Molteno Formation , contemporaneous fossiliferous formation of Lesotho and South Africa Pebbly Arkose Formation , contemporaneous fossiliferous formation of Botswana, Zambia and Zimbabwe Denmark Hill Insect Bed , contemporaneous fossiliferous unit of Queensland, Australia Madygen Formation , contemporaneous Lagerstätte of Kyrgyzstan References [ edit ] ^ Stuttgart Formation at Fossilworks .org ^ Witzmann et al., 2016 ^ Schoch & Milner, 2000 ^ Münster, 1839 ^ Sulej, 2002 ^ Schoch, 2012 ^ Huene, 1905 ^ Linck, 1968 ^ Kustatscher et al., 2012 Bibliography [ edit ] Witzmann, F.; Sachs, S.; Nyhuis, C. J. (2016), "A new species of Cyclotosaurus (Stereospondyli, Capitosauria) from

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276-617: The Late Triassic of Bielefeld, NW Germany, and the intrarelationships of the genus" , Fossil Record , 19 (2): 83–100, Bibcode : 2016FossR..19...83W , doi : 10.5194/fr-19-83-2016 , retrieved 2020-10-19 Kustatscher, E.; Kelber, K.-P.; Van Konijnenburg-van Cittert, J. H. A. (2012), " Danaeopsis Heer ex Schimper 1869 and its European Triassic species", Review of Palaeobotany and Palynology , 183 : 32–49, Bibcode : 2012RPaPa.183...32K , doi : 10.1016/j.revpalbo.2012.06.011 Schoch, R. R (2012), "A dicynodont mandible from

299-1348: The Triassic of Germany forms the first evidence of large herbivores in the Central European Carnian", Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen , 263 (2): 119–123, doi : 10.1127/0077-7749/2012/0216 Sulej, T (2002), "Species discrimination of the Late Triassic temnospondyl amphibian Metoposaurus diagnosticus " (PDF) , Acta Palaeontologica Polonica , 47 : 535–546 , retrieved 2020-10-19 Schoch, R.; Milner, A. R. (2000), "Stereospondyli", Handbuch der Paläoherpetologie , 3B : 1–203 Linck, O (1968), "Die marinen Muschelfauna des Schilfsandsteins von Eberstadt, Wuerttemberg, (Trias, Karn, mittl. Keuper 2) und deren Bedeutung", Jahreshefte des Vereins für Vaterlaendsiche Naturkunde in Wuerttemberg , 123 : 69–133 Huene , F. von (1905), "Trias-Dinosaurier Europas - European Triassic dinosaurs", Zeitschrift der Deutschen Geologischen Gesellschaft , 57 : 345–349 Fraas, E (1896), Die Schwäbischen Trias-Saurier nach dem Material der Kgl. Naturalien-Sammlung in Stuttgart zusammengestellt - Swabian Triassic dinosaurs based on

322-409: The amount of radioactive decay of a radioactive isotope with a known half-life , geologists can establish the absolute age of the parent material. A number of radioactive isotopes are used for this purpose, and depending on the rate of decay, are used for dating different geological periods. More slowly decaying isotopes are useful for longer periods of time, but less accurate in absolute years. With

345-436: The construction of year-by-year annual chronologies, which can be fixed ( i.e. linked to the present day and thus calendar or sidereal time ) or floating. A sequence of paleomagnetic poles (usually called virtual geomagnetic poles), which are already well defined in age, constitutes an apparent polar wander path (APWP). Such a path is constructed for a large continental block. APWPs for different continents can be used as

368-416: The exception of the radiocarbon method , most of these techniques are actually based on measuring an increase in the abundance of a radiogenic isotope, which is the decay-product of the radioactive parent isotope. Two or more radiometric methods can be used in concert to achieve more robust results. Most radiometric methods are suitable for geological time only, but some such as the radiocarbon method and

391-1113: The material in the Royal Natural History Collection compiled in Stuttgart , Festgabe des Königlichen Naturalien-Cabinets In Stuttgart zur 42 Versammlung der Deutschen geologischen Gesellschaft in Stuttgart, August 1896. E. Schweizerbartische Verlag-handlung (E. Koch), Stuttgart, pp. 1–18 Münster, G. G (1839), " Mastodonsaurus andriani ", Beiträge zur Petrefactenkunde : 102–103 Retrieved from " https://en.wikipedia.org/w/index.php?title=Stuttgart_Formation&oldid=1258345517 " Categories : Triassic System of Europe Triassic Germany Triassic Switzerland Carnian Stage Sandstone formations Shale formations Fluvial deposits Lacustrine deposits Lagoonal deposits Paleontology in Germany Geography of Baden-Württemberg Geography of Bavaria Geography of North Rhine-Westphalia Hidden category: Pages using gadget WikiMiniAtlas Geochronology Geochronology

414-455: The point where they share the same system of naming strata (rock layers) and the time spans utilized to classify sublayers within a stratum. The science of geochronology is the prime tool used in the discipline of chronostratigraphy , which attempts to derive absolute age dates for all fossil assemblages and determine the geologic history of the Earth and extraterrestrial bodies . By measuring

437-426: The same age and of such distinctive composition and appearance that, despite their presence in different geographic sites, there is certainty about their age-equivalence. Fossil faunal and floral assemblages , both marine and terrestrial, make for distinctive marker horizons. Tephrochronology is a method for geochemical correlation of unknown volcanic ash (tephra) to geochemically fingerprinted, dated tephra . Tephra

460-700: The same continental block. The second method is used for the folded areas where tectonic rotations are possible. Magnetostratigraphy determines age from the pattern of magnetic polarity zones in a series of bedded sedimentary and/or volcanic rocks by comparison to the magnetic polarity timescale. The polarity timescale has been previously determined by dating of seafloor magnetic anomalies, radiometrically dating volcanic rocks within magnetostratigraphic sections, and astronomically dating magnetostratigraphic sections. Global trends in isotope compositions, particularly carbon-13 and strontium isotopes, can be used to correlate strata. Marker horizons are stratigraphic units of

483-778: The strict consensus of three most parsimonious (i.e. shortest) phylogenetic trees of all named kannemeyeriiform taxa except for Ufudocyclops , which was unstable. In this tree, Woznikella is part of the "Stahleckeriidae group" but falls outside of Stahleckeriidae proper (Stahleckeriinae + Placeriinae): Rhinodicynodon Tetragonias Shansiodon Vinceria Dinodontosaurus " Kannemeyeriidae " Angonisaurus   Woznikella   Pentasaurus   Lisowicia   Placerias   Moghreberia   Stahleckeria   Eubrachiosaurus   Sangusaurus parringtoni   Sangusaurus sp.   Ischigualastia   Jachaleria   This Anomodont -related article

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506-414: The triradiate pattern of ridges on the palatal-surface of the premaxillary beak; two lateral ridges that converge into a single ridge down the middle, forming a 'Y'-shape. The holotype specimen comprises a partial skeleton of an immature individual, including a fragmentary skull, various vertebrae, a scapula and other portions of the pectoral girdle , a humerus , radius and ulna of the forelimb and

529-430: Was formally named Woznikella triradiata . Phylogenetic analyses found Woznikella to be closely related to the stahleckeriids (a family of Late Triassic dicynodonts) if not a member of the clade , although its precise relationships could not be determined with certainty (although it does not appear to be directly related to another Polish dicynodont, the stahleckeriid Lisowicia ). The cladogram below depicts

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