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Upper cretaceous - Dec 22, 2022 · The Upper Cretaceous (Turonian) Bissekty Formation of

The Upper Cretaceous, tropical dinoflagellate cysts database includes more presumab

Dec 13, 2017 · The Upper Cretaceous-Lower Paleogene succession at Gabal Qreiya area that covers six rock units, Quseir, Duwi, Dakhla, Tarawan, Esna, and Thebes formations, is reviewed through a high-resolution sequence stratigraphic analysis. Six third-order depositional sequences and their associated surfaces and systems tracts are recognized based on stratigraphic, sedimentological, and high-resolution ... The Upper Cretaceous Lameta (~infratrappean) Formation of the Jabalpur area (Madhya Pradesh, Central India) preserves one of the most diverse Late Cretaceous reptilian assemblages (largely dominated by dinosaurs) and other significant biotic elements of the Indian subcontinent. The Lameta Formation in the Jabalpur region comprises excellent ...In the Vitulano area, Upper Cretaceous bauxite bodies fill small depressions and karst cavities within Cretaceous shallow-water limestones. These bauxites were studied to understand the processes that led to their formation. Geochemical, mineralogical, and petrographic analyses were carried out on the bauxite samples, together with image analysis providing geometric parameters. The texture of ...In order to better constrain the age and provenance of the Upper Cretaceous Wahweap and Kaiparowits formations in southern Utah, U-Pb SHRIMP ages were obtained for detrital zircons from three sandstone samples, in addition to the first 40 Ar-39 Ar age for the Wahweap Formation, obtained from a devitrified volcanic ash horizon (bentonite). The ash horizon, located ∼40 m above the base of the ...of the fossils. I recognized several well-known Upper Cretaceous species. (Matthes, 1933, p. 1007-1009.} A collection made from the oolitic clay in Janu­ ary 1933 by Willard Farrar of the Missouri Geological Survey and Water Resources showed that, in addition to the. Cretaceous fossils, the clay contained severalFor five years, Chip and Joanna Gaines dominated HGTV with the popular home remodeling series known as Fixer Upper. In that time, they transformed old — sometimes condemned — homes into dream homes for their clients, and viewers got to see ...Hunt, C.O. 1987. Dinoflagellate cyst and acritarch assemblages in shallow-marine and marginal-marine carbonates: the Portland Sand, Portland Stone, and Purbeck Formations (Upper Jurassic/Lower Cretaceous) of southern England and northern France. In: Hart, M.B. (ed) Micropalaeontology of Carbonate Environments.The few Cretaceous localities are widespread, with the two Lower Cretaceous sites coming from Argentina and Japan and the sole Upper Cretaceous locality, described herein, being from Montana. Cenozoic occurrences, as with modern limulid distributions, are limited to Asia and North America.Despite the abundant literature on limnic Cretaceous ostracode faunas, the database on mid-Late Cretaceous taxa is still scarce. The Songliao Basin in northeastern China preserves a diverse assemblage of ostracode fossils from the Santonian-Campanian Nenjiang and Sifangtai formations.The Saratoga Chalk of Arkansas yields a rich ammonite fauna of 17 species, referred to the Nostoceras (N.) hyatti zone. Recognition that the northwest European N. (N.) pozaryskii Blaszkiewicz, 1980, is a synonym of N. (N.) hyatti Stephenson, 1941, and N. (N.) helicinum (Shumard, 1861) dates the zone as latest Campanian on the basis of co-occurrence with Belemnitella langei Jeletzky, 1948, in ...Abstract. A new florula, dominated by angiosperm leaves, is reported from the Upper Cretaceous (Turonian?) Malihah Formation of Saudi Arabia. The leaves are fragmentary preserved as impressions with a rust coloured, mineral coating, thus it is only possible to describe the best-preserved leaf forms as morphotaxa for the time being.In Antarctica, a distinct fossil foliage was associated with Coniopteris in levels older than the beginning of Jurassic, mainly in the Antarctic Peninsula and including the Lower Cretaceous deposits of Alexander Island (Cantrill and Nichols, 1996; Cantrill and Nagalingum, 2005), and those from the Upper Cretaceous of Livingston, at South ...Theropod and other dinosaurian tracks from the upper Lower Cretaceous of northeastern China: overlooked Fuxin Biota records reinvestigated. , Cretaceous Research, 135 105190, 1-9Introduction. The Upper Cretaceous Nanxiong Formation of Jiangxi Province, southern China has yielded a diverse array of vertebrates in recent years, including theropods (Xu and Han Citation 2010; Wang et al. Citation 2013; Wei et al. Citation 2013; Lü et al. Citation 2013a, Citation 2014, Citation 2015, Citation 2016, Citation 2017; Mo and Xu Citation 2015), ornithopods (Xing et al. Citation ...The field area lies north of Canyon San Fernando (near the town of El Rosario), on the Pacific coastal margin of the Baja California peninsula, Baja California del Norte, Mexico, (Fig. 1).The Rosario Formation is the youngest unit in a belt of Upper Cretaceous deposits comprising the Peninsular Ranges forearc basin complex, which crops out discontinuously along the Pacific margin of Baja ...A complete Cretaceous-Paleogene stratigraphy is developed within the Longmenshan foreland basin, ... Solid/open symbols are lower/upper hemisphere projections. There are several differences in the thermal demagnetization characteristics of the samples with different lithologies and colors. For the purplish-red and brownish-red sandstones ...The Upper Cretaceous (Turonian) Bissekty Formation of Uzbekistan has yielded many isolated bones and teeth representing a variety of non-avian theropod dinosaurs. A pedal phalanx II-2 indicates the presence of a dromaeosaurid theropod that attained a larger body size than any previously known member of that clade.Horizon: Kem Kem Beds, Cenomanian, Upper Cretaceous (Sereno et al., 1996). The specimen was collected by G. Pasini (2008, personal communication) together with rostral teeth of the Aptian-Cenomanian elasmobranch Onchopristis sp. (Rage & Cappetta, 2002; Russell, 1996).Individuals exhibit a large but continuous size range, some of which, with a wingspan estimated at 0.5 m, are among the smallest pterosaurs yet reported from the Upper Cretaceous, adding to other ...The mid-Cretaceous is often regarded as the warmest period in Earth's history, reaching the Cretaceous Thermal Maximum in the Turonian (89.8-93.9 million years ago; Wilson et al., 2002), although increasingly evidence suggests a much more complex picture with cool events throughout the mid to Late Cretaceous (Veizer et al., 2000, Weissert and ...Despite this, species of carcharodontosaurians have been recovered from two lower Upper Cretaceous formations (Cenomanian and Turonian) of Asiamerica and include large taxa [5,6]. As the apex predators in these early Late Cretaceous ecosystems, their faunal associations with other predators, particularly tyrannosauroids, are poorly known.Upper Cretaceous rocks of western Kansas are a treasury of fossils that has excited paleontologists for more than a century and has lured generations of enthusiastic collectors to concretion-strewn shale slopes and chalk badlands that break the monotony of the Great Plains. For decades, authors of historical geology and paleontology textbooks ...Jul 9, 2009 · Upper Cretaceous Stratigraphy and Depositional Environments of Western Kansas by Donald E. Hattin, Indiana University, and Charles T. Siemers, Cities Service Company Assisted by Gary F. Stewart, Oklahoma State University. Originally published in 1978 as Kansas Geological Survey Guidebook 3. The book was reprinted in 1987 with some modifications. The Chalk Group (often just called the Chalk) is the lithostratigraphic unit (a certain number of rock strata) which contains the Upper Cretaceous limestone succession in southern and eastern England. The same or similar rock sequences occur across the wider northwest European chalk ' province '.The SK-1 boreholes are situated on the Qijia-Gulong Depression, which was one of the major depositional centers in the basin. During the Upper Cretaceous, two major sedimentary settings of organic rich source rocks developed in the basin associated with the K 2 q 1 + 2 members of the Qingshankou Formation and. Abundance and types of organic ...The Cretaceous period was the last and longest segment of the Mesozoic era. It lasted approximately 79 million years, from the minor extinction event that closed the Jurassic period about 145 ...Late Cretaceous palaeogeography of western North America was dominated by three tectonic belts that extended virtually the length of the Cordillera: (1) an Andean-type volcanic–plutonic magmatic arc on the west (i.e., Cordilleran Magmatic Arc), (2) a thin-skinned fold-and-thrust belt on the east (initiated in mid-Cretaceous time), and (3) a hinterland (zone of metamorphism, magmatism, and ...The pre-rift sediments of the Gulf of Suez Basin were deposited in continental margin sags. The first subsidence cycle deposited clastic Nubia Formation during Carboniferous-Lower Cretaceous period, while the second subsidence cycle commenced from Upper Cretaceous and deposited mixed siliciclastic-carbonate sediments (Atia et al. 2015).Megaraptora is a theropod clade known from former Gondwana landmasses and Asia. Most members of the clade are known from the Early to Late Cretaceous (Barremian-Santonian), with Maastrichtian ...A mixed Upper Cretaceous carbonate‐shale succession is well exposed in the Gyabukeqing section of Guru town, Yadong County, southern Tibet, which tectonically belongs to the southern Tethyan ...Late Cretaceous palaeogeography of western North America was dominated by three tectonic belts that extended virtually the length of the Cordillera: (1) an Andean-type volcanic-plutonic magmatic arc on the west (i.e., Cordilleran Magmatic Arc), (2) a thin-skinned fold-and-thrust belt on the east (initiated in mid-Cretaceous time), and (3) a hinterland (zone of metamorphism, magmatism, and ...The upper Cretaceous Naparima Hill Formation, a primary source rock for conventional oil and gas reservoirs in Southern and Columbus basins, Trinidad is now considered an unconventional reservoir. Effective fracability evaluation is critical to the entire process of unconventional reservoir exploitation. At present, there exists no information on the fracability of the Naparima Hill Formation.The presence of a small to middle-medium sized abelisaurid in the Upper Cretaceous shows that. Author statement. We the authors of "A New Medium-sized Abelisaurid (Theropoda, Dinosauria) from the late Cretaceous (Maastrichtian) Allen Formation of Northern Patagonia, Argentina." declare that have not submitted this article in another journal ...The upper part of the sequence has yielded Cretaceous benthic foraminifers (Rajashekhar 1991) and nannoplankton species Marthastenites furcatus of the Turonian age (Jafar 1982). The marine incursion in the Late Cretaceous is represented by small isolated outcrops of the Bagh Beds in the Dhar district, Madhya Pradesh (Fig. 15.15 ).Detailed field and lithostratigraphic studies are carried out on the Upper Cretaceous-Lower Paleogene section at Esh El-Mellaha area, Gulf of Suez, Egypt. The section is located at Wadi Dib west ...The Mount Eagle Group includes all the Upper Cretaceous sedimentary rocks and is composed of two interfingering facies, epiclastic volcanic sedimentary rocks and tuffaceous sedimentary rocks, both deposited below wave base in a marine environment. A turbidite sequence more than 8000 and perhaps 18,000 feet thick of epiclastic volcanic ...Tyrannosaurus rex arose during the Cretaceous period about 85 million years ago, and thrived as a top land predator until the dinosaurs went extinct 20 million years later. This skeleton, on ... The scientific paper describing the find—titled "Ancient diversity and turnover of cunninghamioid conifers (Cupressaceae): two new genera from the Upper Cretaceous of Hokkaido, Japan"—has been ...Upper left side back pain can be caused by acute pancreatitis, Healthline says. Although the pain manifests mostly in the upper left side of the abdomen, it can spread to the left side of the back and left shoulder blade.Ootaxa placed within Laevisoolithidae have previously been described from the Upper Cretaceous of India, Mongolia, Morocco, as well as the Lower Cretaceous of Japan and include Laevisoolithus ...Gender: Male. Location: Texas. Awards: Posted May 18, 2011. Well I met the now famous BFG out at one of her secret spots at the North Sulphur River. This spot has a history of producing some Indian Artifacts as well as a variety of Cretaceous marine material, as well as some Pleistocene material thrown in. After four hours of hunting the spot ...Goannas evolved in the northern hemisphere in the Upper Cretaceous Period about 90 million years ago. Discover more. Australia through time. This self-led activity gives students a taste of both the cultural and natural history exhibitions at the Museum as they create their own digital story about ‘Australia through time’.Tectonism during the early Cretaceous in western North America resulted in the development of a foreland basin and formation of the Western Interior Seaway (e.g. Burchfiel et al., 1992). By Maastrichtian times, this epeiric sea linked the polar ocean and the subtropical Gulf of Mexico . The Upper Cretaceous succession currently exposed in the ...The Upper Cretaceous Hall Lake Formation is exposed in south-central New Mexico in Sierra County, primarily across the Cutter sag, between the Fra Cristobal Mountains to the north and Caballo Mountains to the south (Kelley and Silver, 1952; Lucas et al., 2019) (Fig. 1).The Hall Lake Formation was previously considered a member of the McRae Formation (e.g., Lozinsky et al., 1984; Wolberg et al ...The Upper Cretaceous-Lower Paleogene succession at Gabal Qreiya area that covers six rock units, Quseir, Duwi, Dakhla, Tarawan, Esna, and Thebes formations, is reviewed through a high-resolution sequence stratigraphic analysis. Six third-order depositional sequences and their associated surfaces and systems tracts are recognized based on stratigraphic, sedimentological, and high-resolution ...In the lower Cretaceous, the structural traps are usually controlled by faults, such as faulted noses or tilted fault blocks. Although structures in lower Cretaceous is greater in number, they are more complex and faulted. The scale and amplitude of structural traps in lower Cretaceous is also smaller than that in upper Cretaceous.Preliminary study of a diverse dinosaur assemblage from the Upper Cretaceous of Zhuzhou, Hunan Province. Acta Palaeontol Sin. 56:1-9. [Google Scholar] Han FL, Xu X, Sullivan C, Huang LQ, Guo Y, Wu R. 2019. New titanosauriform (Dinosauria: sauropoda) specimens from the Upper Cretaceous daijiaping Formation of southern China. Peer J.Upper Cretaceous mixed carbonate-siliciclastic sequences are among the most important targets for hydrocarbon exploration in the Moghan area, located in the eastern Para-Tethys Basin. Despite of ...The Cretaceous Maha Sarakham Formation in this area consists of evaporite units (Lower Salt and Middle/Upper Salt) interbedded with clastic sediment. Potash minerals in the upper part of the Lower Salt Unit are associated with an underlying thick bed of rock salt. The δ 11 B values of halite (21.46 ‰–32.62‰) indicated a marine origin ...The Upper Cretaceous is the last geological epoch in the Cretaceous. It began 100.5 million years ago, and ended 66 million years ago. The Cretaceous is traditionally divided into Lower Cretaceous (early), and Upper Cretaceous (late), because of the different rocks .A complete Cretaceous-Paleogene stratigraphy is developed within the Longmenshan foreland basin, ... Solid/open symbols are lower/upper hemisphere projections. There are several differences in the thermal demagnetization characteristics of the samples with different lithologies and colors. For the purplish-red and brownish-red sandstones ...The Upper Cretaceous (Turonian) Bissekty Formation of Uzbekistan has yielded many isolated bones and teeth representing a variety of non-avian theropod dinosaurs. A pedal phalanx II-2 indicates the presence of a dromaeosaurid theropod that attained a larger body size than any previously known member of that clade.Hunt, C.O. 1987. Dinoflagellate cyst and acritarch assemblages in shallow-marine and marginal-marine carbonates: the Portland Sand, Portland Stone, and Purbeck Formations (Upper Jurassic/Lower Cretaceous) of southern England and northern France. In: Hart, M.B. (ed) Micropalaeontology of Carbonate Environments.Upper Cretaceous. 1. Introduction. One of the most fundamental problems an animal faces is sensing its environment and detecting its food. Different strategies of food detection include visual, tactile (touch), auditory, olfactory, and gustatory foraging. Each has advantages and disadvantages. Vision is effective at sensing the environment and ...In the Songliao Basin two major sets of organic rich source rocks developed during the Upper Cretaceous, the Qingshankou (K 2 q 1 + 2) and Nenjiang (K 2 n 1 + 2) formations. The source rocks associated with Nenjiang Formation were deposited during the largest lacustrine transgression, as the distribution of this set of source rocks exceeds the ...The Cretaceous period, which occurred from approximately 145 to 66 million years ago, was characterized by diverse and abundant plant life. Some common plants that lived during this period include: Cycads: These palm-like, cone-bearing plants were widespread during the Cretaceous and are still extant today.The Upper Cretaceous to Paleogene sequences in the Middle East are characterized by regional anoxic black shale occurrences, enriched in different stratigraphic levels of various local basins (Abed et al., 2005; Almogi-Labin et al. 1990a, 1993; Ashckenazi-Polivoda et al., 2010, 2011; Holbourn et al., 1999; Inan et al., 2010). The studied black ...@article{osti_6377873, title = {Upper Cretaceous and lower Eocene conglomerates of Western Transverse Ranges: evidence for tectonic rotation}, author = {Reed, W E and Krause, R G.F.}, abstractNote = {Stratigraphic and paleomagnetic studies have suggested that the western Transverse Ranges (WTR) microplate is allochthonous, and may have experienced translational and rotational motions.Description of new hadrosaurid fossils from the Upper Cretaceous Kakanaut Formation (Chukotka, Russia) and a study on their histology is published by Bapinaev et al. (2023), who interpret the studied fossils as …The bone-beds of the Upper Cretaceous Wangshi Group in Zhucheng, Shandong, China are rich in fossil remains of the gigantic hadrosaurid Shantungosaurus. Here we report a new oviraptorosaur ...Upper Cretaceous marine clastic strata (~ 650 ft), which are surmounted by marine carbonate beds (~ 1,150 ft) of latest Cretaceous age. The marine clastic facies thickens northeastward along the coastline to include the entire Upper Cretaceous and extends over Cape Fear Arch, where it is 1,300 ft thick. The Upper Cretaceous marineMesaverde Formation or Mesaverde Group (Upper Cretaceous) at surface, covers 1 % of this area. Mesaverde Formation (north Wyoming) - Light-colored massive to thin-bedded sandstone, gray sandy shale, and coal beds. In Jackson Hole locally contains gold-bearing quartzite conglomerate. North of North Fork Powder River east of the Bighorn Mountains ...Isopach maps of Upper, Middle, and Lower Cretaceous are contoured at intervals of 500 feet. Each of these three isopach maps is overprinted in color to show generalized lithofacies trends. Lower and Middle Cretaceous deltaic sandstone fairways on the western shelf provide excellent reservoir rocks for a trend containing many of the world’s ...The Lameta Formation (Upper Cretaceous) is exposed in parts of central and western India as detached outcrops and covers an area of nearly 5000 km2. It generally rests on Precambrian and "Gondwana" rocks and is invariably capped by Deccan Trap volcanic flows. In the Nand and Dongargaon areas of the Chandrapur and Nagpur districts of Maharashtra ...ODP Leg 132, with some Upper Cretaceous sediment recovered at Sites. 47, 48, 305, 577, and 810. The Cretaceous sectio ns recovered at all sites. d u r i n g L e g 1 9 8 w e r e c h a r a c t e r i ...Furcatoceratops (meaning "forked horned face") is a genus of centrosaurine ceratopsid dinosaur from the Late Cretaceous Judith River Formation of Montana. The type species is Furcatoceratops elucidans. Discovery and naming NSM PV ... a quarry in the Upper Cretaceous Judith River Formation in Fergus County, Montana.In this study, we report the occurrence of 3β-methylhopane homologues with carbon numbers up to C 45 in terrigenous source rocks from the first member of the Upper Cretaceous Qingshankou Formation, Songliao Basin, northeast China, with a preliminary assessment of their potential sources assisted by stable carbon isotopic measurements. 2.The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada [2] to New Mexico . The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia). They described it as a dark-gray shale ...Abstract: The Alpine Orogen contains in South East Europe, from the Carpathians to the Balkans-Srednogorie, an Upper Cretaceous, ore bearing igneous belt: a narrow elongated body which runs discontinously from the Apuseni Mountains in the North, to the western part of the South Carpathians (Banat) in Romania, and further South to the Carpathians of East Serbia and still further East to ...The Cretaceous Continental Scientific Drilling borehole in the Jiaolai Basin (CCSD-LK-I) provides rare samples from the Upper Cretaceous and Paleocene terrestrial strata. This study aims to establish a chronostratigraphical framework for the terrestrial strata of the Jiaolai Basin by integrating magnetostratigraphy and isotope geochronology.Upper Cretaceous rocks of western Kansas are a treasury of fossils that has excited paleontologists for more than a century and has lured generations of enthusiastic collectors to concretion-strewn shale slopes and chalk badlands that break the monotony of the Great Plains. For decades, authors of historical geology and paleontology textbooks ...The upper boundary of the Cretaceous is sharply defined, being placed at an iridium-rich layer found worldwide that is believed to be associated with the Chicxulub impact crater, with its boundaries circumscribing parts of the Yucatán Peninsula and extending into the Gulf of Mexico. This layer has … See moreUpper Cretaceous aquifers. Upper Cretaceous aquifers of the Coastal Plain monocline in central and eastern Alabama are mainly barrier-island tidal inlet and shoreface paleoenvironmental facies within clastic dominated lithostratigraphic units, particularly Eutaw Formation, Blufftown Formation, Cusseta Sand, Ripley Sand, and Providence Sand. The Upper Cretaceous chalks of southern England are a thick sequence of rhythmically bedded, bioturbated coccolith micrites, deposited in an outer shelf environment in water depths which varied between 50 and 200-300 m. The products of sea floor cementation are widely represented in the sequence, and a series of stages of progressive ...The Upper Cretaceous is the last geological epoch in the Cretaceous. It began 100.5 million years ago, and ended 66 million years ago. The Cretaceous is traditionally …Importantly, the age of Cretaceous alteration recorded in vitrophyre pod samples is indistinguishable from regional Cretaceous alteration previously documented by 40 Ar/ 39 Ar geochronology of ...The aim of the present paper is to develop a lower Upper Cretaceous standard section for the southern MCB, to provide a detailed integrated correlation on intra- and interbasinal scales, and to discuss the sea-level and facies development. Furthermore, it is intended to calibrate the controversial stratigraphic position of Soest Grünsand ...The Upper Cretaceous Gaogou, Majiachun and Sigou formations in the Xixia Basin are composed of terrestrial clastic deposits, which are dominated by red-violet mudstones, muddy siltstones, siltstones, grayish fine-grained sandstones, intercalated with grayish, off-white medium- and coarse-grained sandstones or conglomerates.Cretaceous Period - Mesozoic, Paleogene, Cenozoic: The rocks that were either deposited or formed during the Cretaceous Period make up the Cretaceous System. The Cretaceous System is divided into two rock series, Lower and Upper, which correspond to units of time known as the Early Cretaceous Epoch (145 million to 100.5 million years ago) and the Late Cretaceous Epoch (100.5 million to 66 ...1. Introduction. Ever since the Cretaceous System was first introduced, by the Belgian geologist Jean-Baptiste-Julien d'Omalius d'Halloy (1822), it has been arbitrarily divided into two or three series, i.e. lower and upper Cretaceous or lower, middle and upper Cretaceous, respectively, a situation that continues unabated today to the obvious detriment of clarity in stratigraphic communication.Abstract Upper Cretaceous strata of the Mahajanga Basin, northwestern Madagascar, yield some of the most significant and exquisitely preserved vertebrate fossils known from Gondwana. The sedimentology of these strata and their stratigraphic relations have been the focus of renewed geological investigations during the course of five expeditions since 1993. We here designate stratotypes and ...Our porosity evaluation focuses on the Upper Cretaceous and Tertiary interval that overlies the Eagle Ford Formation in South Texas (Fig. 1).This 3-4 km thick, shale-dominated section was a passive margin during deposition and, other than some localized normal faulting, there is little structural deformation and no significant unconformities (i.e., gaps in geologic time) in the interval of ...Trinity Group stratigraphic column in Texas. The Trinity Group is a group (sequence of rock strata) in the Lower Cretaceous lithostratigraphy of Texas, Arkansas, Mississippi, Louisiana and Oklahoma. It is named for the Trinity River of Texas.. A stratigraphic column at the Mount Bonnell Fault location starts with the Lower Cretaceous Trinity Group overlain by the Edwards Group.The Upper Cretaceous is the last geological epoch in the Cretaceous. It began 100.5 million years ago, and ended 66 million years ago. The Cretaceous is traditionally divided into Lower Cretaceous (early), and Upper Cretaceous (late), because of the different rocks .The Saratoga Chalk of Arkansas yields a rich ammonite fauna of 17 species, referred to the Nostoceras (N.) hyatti zone. Recognition that the northwest European N. (N.) pozaryskii Blaszkiewicz, 1980, is a synonym of N. (N.) hyatti Stephenson, 1941, and N. (N.) helicinum (Shumard, 1861) dates the zone as latest Campanian on the basis of co-occurrence with Belemnitella langei Jeletzky, 1948, in ...The Upper Cretaceous Chalk play is a well-known, successful and mature play in the North Sea Basin (e.g. Denmark, Norway, UK). However, it is considered ...The Austin Group (Coniacian-Santonian) is a sequence of interstratified chalk and marl deposited during a sea-level highstand as a transgressive unit. Austin Chalk deposition occurred on a southeastward-dipping carbonate ramp that exhibits distinctive onshore and offshore chalk lithofacies. Discrete intervals within offshore Austin lithofacies ...The intracontinental Benue Trough was initiated during the Lower Cretaceous in relation with the Atlantic Ocean opening. The first stage of its evolution started in the Aptian, forming isolated basins with continental sedimentation. ... In the Albian times, a great delta developed in the Upper Benue Trough, while the first marine transgression ...The provenance of the Upper Cretaceous Nubia sandstones from four vertical sections along Qena-, The Maastrichtian ( / mɑːˈstrɪktiən / mah-STRICK-tee-ən) is, in, The basin fill thins toward the basin margins (Fig. 1) and is domin, Aug 15, 2022 · Mo et al. (2020) also found PAHs compounds (e.g., retene, pyre, Ages of the Upper Cretaceous strata are well established from radiometric dating and from mari, The Cretaceous period is the ninth and longest period in the Phanerozoic eon, lastin, The upper part of the sequence has yielded Cretaceous benthic foraminifers (Rajashekhar 1991) and nannopla, Echinodermata are rare in the Palaeozoic and Mesozoic of New Ze, Anserimimus (/ ˌ æ n s ər ɪ ˈ m aɪ m ə s / AN, The Cretaceous period is one of the major divisions of the ge, CONTENTS. Preface. Sequence Stratigraphy of the Upper Cretaceous, 21 de abr. de 2020 ... The age of the “Kem Kem beds” has been , ABSTRACT. Abelisaurids are among the most abundant and d, The Upper Cretaceous of Kansas Introduction by Erasmus Haworth., A second hole, Hole 258A, was drilled to 123.5 meters below seafloo, Dinosaurios Cretaceous tetrapods of Argentina; J.F. Bonaparte e, Upper Cretaceous belemnitellids from the Båstad Basin, southern Sweden, Age, Correlation, and Lithostratigraphic Revision of the Upper Cr.