Upper cretaceous.

The Upper Cretaceous (Campanian-Maastrichtian) forearc turbidites are up to 1,200 m thick and crop out in NW-SE trending elongate basins about 40 km wide, extending along the central and eastern Pontides. We present new detrital zircon U-Pb ages, petrography, and paleocurrent measurements from the Campanian-Maastrichtian turbidites and ...Govindan A (1972) Upper Cretaceous planktonic foraminifera from the Pondicherry area, South India. Micropaleontol 18:160–193. Google Scholar Govindan A (1993) Cretaceous anoxic events, sea level changes and microfauna in Cauvery Basin, India. In: Proceedings of second seminar on petroliferous basins of India, vol 1.In the Japanese Upper Cretaceous, elasmosaurid remains are fairly common but two short-necked lineages are represented by much smaller number of specimens (e.g. Sato et al., 2012 Carrano et al ...Fluvial deposits of the Kaiparowits Formation at "The Blues". The Kaiparowits Formation is a sedimentary rock formation found in the Kaiparowits Plateau in Grand Staircase-Escalante National Monument, in the southern part of Utah in the western United States.It is over 2800 feet (850 m) thick, and is Campanian in age. This Upper Cretaceous formation was formed from alluvial floodplains of ...The upper Cretaceous to Paleogene sediments of the Gosau Group of the Northern Calcareous Alps (NCA) are unconformably and diachronously overlying Permian to lower Cretaceous units that experienced folding and faulting (Wagreich and Faupl, 1994).

The fossil remains of young dinosaurs are very rare. This juvenile hadrosaur is a cast of one of the fifteen individuals of baby Maiasaura ("good mother lizard") collected in 1978 by Princeton University from the Upper Cretaceous (80-65 million years ago) Two Medicine Formation of Teton County in western Montana. The presence of several small …

Abelisauridae is a theropod clade with a wide distribution in the Late Cretaceous of Gondwana.Some of the best preserved abelisaurid specimens were recovered from Patagonia (Argentina) such as Skorpiovenator, Ilokelesia, Carnotaurus and Aucasaurus.Here we describe a dorsal part of a neural spine; a middle caudal vertebra; a distal part of a left metatarsal IV; a complete right phalanx IV-1 ...January 2013 [2] The Coniacian is an age or stage in the geologic timescale. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series and spans the time between 89.8 ± 1 Ma and 86.3 ± 0.7 Ma (million years ago). The Coniacian is preceded by the Turonian and followed by the Santonian.

The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after creta, the Latin word for the white limestone known as chalk. The Upper Cretaceous formations at the 12 study localities are herein divided into three informal time-stratigraphic units based on fossil content and contact relations with adjacent strata. The basal unit in most places extends from the base of the Graneros to the top of the Niobrara, generally to the horizon of the fossil Scaphites ...Upper Jurassic to Lower Cretaceous strata from which gas and oil had been produced since the 1950s became targets for geothermal exploitation. The extensive publicly available subsurface data including seismic surveys, several cores and logs from hundreds of hydrocarbon wells, combined with understanding of the geology after decades of ...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.

In this article, we have obtained new paleomagnetic and magnetic anisotropy datasets from the upper Cretaceous to lower Eocene sedimentary rocks in the Cuojiangding area, and combined them with published paleomagnetic data, regional geological reports, biostratigraphic ages and U Pb zircon geochronology to discuss their tectonic implications. 2.

The fossil record of Late Cretaceous non-hadrosaurid neornithischians from the Western Interior of North America is sparse. Parksosaurus warreni is an early Maastrichtian taxon currently known only from a skull and much of the associated postcranial skeleton and a referred isolated tooth from the Horseshoe Canyon Formation of Alberta, Canada. This article presents a detailed anatomical account ...

Tyrannosaurus is a genus of large theropod dinosaur.The species Tyrannosaurus rex (rex meaning "king" in Latin), often called T. rex or colloquially T-Rex, is one of the best represented theropods.It lived throughout what is now western North America, on what was then an island continent known as Laramidia. Tyrannosaurus had a much wider range …In this paper, we demonstrate a down-paleoslope shift in detrital zircon provenance signatures correlated with shallow-marine lithofacies patterns from the Upper Cretaceous La Anita Formation and underlying continental slope lithofacies of the Alta Vista Formation (Magallanes-Austral Basin, southern Patagonia).IN THIS PAPER the discovery in Japan of smaller Foraminifera from the Upper Cretaceous strata is recorded for the firsi: time. This contribution, in addition to ...Zangjiazhuang, Zhucheng City, Shandong Province (Fig. 1); Upper Cretaceous Wangshi Group (Hu et al., 2001).Within the fluvial sediments of the Wangshi Group, the abundant dinosaur material preserved in the Zhucheng quarries lies near the transition between the Xingezhuang Formation and the overlying Hongtuya Formation (Li et al., 2009).Basalt within the upper part of the Hongtuya Formation has ...Apr 1, 2022 · Of the 10 Upper Cretaceous tropical dinoflagellates cysts references mentioned before (Table 2), 3 are from northern South America, and 7 are from the central Atlantic region. The tropical database compiled here contains 262 species, 164 are in the UCret localities from Venezuela, and 73 are reported in both regions (Appendix A). Two species of the heteromorph ammonite genus Diplomoceras Hyatt are described from the Upper Cretaceous of the James Ross–Seymour Islands area, Antarctica. The late Campanian–early Maastrichtian D. lambi Spath has a relatively high rib density, whereas D. maximum n. sp. has a lower rib density and is known only from the uppermost Maastrichtian of the Lopez de Bertodano Formation on ...

Upper Cretaceous sections at the Tanama River are located on the Sigirte-Nado elevation, surrounded by the Tanama River from the west, north, and east (Fig. 3 B). The Tanama River is the left-bank tributary of the Yenisei River. It is located in the north-eastern part of the West Siberian sedimentary basin (e.g. Kontorovich et al., 2014).Upper Cretaceous organic lean calcareous mud rocks record the start of organic matter porosity development only in the middle oil window, increasing constantly throughout the oil window, but also ...Lambeosaurines have been traditionally split into the tribes or clades Parasaurolophini ( Parasaurolophus, Charonosaurus, others (?).) and Lambeosaurini ( Corythosaurus, Hypacrosaurus, Lambeosaurus, others.). [2] Corythosaurini (synonym of Lambeosaurini, see below) and Parasaurolophini as terms entered the formal literature in Evans and Reisz's ...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.The Cretaceous period has just two very long epochs: Upper Cretaceous 100.5 million years ago (mya) to 65 mya; Lower Cretaceous 145.5 mya to 100.5 mya. The Lower Cretaceous at ~45 million years, is the longest epoch in the Phanerozoic eon. Though famous for its land fauna, the Cretaceous sea level rose much higher than today.

The Bellezma-Batna Mountains of northeast Algeria mainly consist of Jurassic-Cretaceous platform carbonate deposits (Marmi, 1995 ), forming the eastern part of the …

NMMNH locality 3033, Allison Member of the Menefee Formation, Upper Cretaceous (early Campanian), Sandoval County, New Mexico, USA (Figs. 2, 3). The type material of Menefeeceratops sealeyi gen. et sp. nov. is an associated incomplete skeleton of a single individual (NMMNH P-25052) collected over an area of about 13 m 2 (Williamson 1997) (Fig. 3).This study examined both vertical and lateral facies changes as well as petrographic characteristics of the outcropping section of the Upper Cretaceous Shendi Formation in the Musawwarat-Naga area ...Horner, J. R. Upper Cretaceous dinosaurs from the Bearpaw Shale (marine) of south-central Montana with a checklist of Upper Cretaceous dinosaur remains from marine sediments in North America.Detailed measured sections and regional stratigraphic cross sections are used to reconstruct facies maps and interpret paleogeographic settings for the interval from the base of Upper Cretaceous Mesaverde Formation to top of lower member of the Paleocene Fort Union Formation in the Wind River Basin, Wyoming. The Mesaverde Formation spans the time during which the Upper Cretaceous seaway retGovindan A (1972) Upper Cretaceous planktonic foraminifera from the Pondicherry area, South India. Micropaleontol 18:160–193. Google Scholar Govindan A (1993) Cretaceous anoxic events, sea level changes and microfauna in Cauvery Basin, India. In: Proceedings of second seminar on petroliferous basins of India, vol 1.Sauropod hiatus. The sauropod hiatus is a period in the North American fossil record for most of the Late Cretaceous noted for its lack of sauropod remains. It may represent an extinction event, possibly caused by competition with ornithischian herbivores, habitat loss from the expansion of the Western Interior Seaway, or both.For 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 ...Laocoetis piserai n. sp. (Hexactinellida, Porifera) from the mid-Cretaceous (i.e., Albian–Cenomanian) of James Ross Island is the first record of a fossil sponge from Antarctica. This new occurrence of a formerly widespread genus was restricted to relatively deep waters on the margins of an active volcanic arc.Cretaceous age on the basis of Buchia crassicollis (Keyserling). Subsequent work by Martin and Katz (1912) established the presence within this series of Lower Jurassic, Lower Cretaceous, Upper Cretaceous, and Tertiary rocks. In 1926 Martin restricted and redefined the term "Matanuska Series" and desig­Preliminary 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.

Jul 13, 2016 · Background Late Cretaceous terrestrial strata of the Neuquén Basin, northern Patagonia, Argentina have yielded a rich fauna of dinosaurs and other vertebrates. The diversity of saurischian dinosaurs is particularly high, especially in the late Cenomanian-early Turonian Huincul Formation, which has yielded specimens of rebacchisaurid and titanosaurian sauropods, and abelisaurid and ...

The Hartland Shale Member of the Greenhorn Limestone was deposited in the middle of the Late Cretaceous Western Interior Seaway of North America. Rock samples rich in micro-vertebrate fossils were collected from the lower part of the Hartland Shale (ca. 94.6 Ma: early Late Cenomanian) in southeastern Colorado, USA.Through acid treatment of the rock samples, 25 marine vertebrate taxa are ...

The Upper Cretaceous sediments in the Moghan area, NW Iran, contain diverse planktonic and benthic foraminifera, with a total of 33 genera and 53 species (17 genera and 38 species of planktonic ...A new megaraptoran theropod dinosaur from the Upper Cretaceous Bajo de la Carpa Formation of northwestern Patagonia. Cret. Res. …New dinosaur material from the Upper Cretaceous of the Haţeg Basin of western Romania consists of a partial skull roof of a small theropod. These specimens (a frontal and fused parietals) are ...7K; 1914 Report Georgia Plant Fossils From the Upper Cretaceous By Thomas Thurman Filed; 21/Oct/2023 Dinosaurs once walked among magnolia trees in Georgia, they walked among eucalyptus trees, cinnamon and fig trees, all of these stood in our state 84 million years ago while dinosaurs still walked the Earth.The Lower Cretaceous is the first geological epoch in the Cretaceous. It began 145 million years ago, and ended 100.5 million years ago. ... In the Lower Cretaceous, the sea level was much lower than in the Upper Cretaceous. In the Wealden, Southern England was a huge tropical river delta; in the Greensand the same areas were just offshore.Upper Cretaceous, Paleocene, Eocene, and Oligocene deposits are characterized by sharp facies and thickness changes as a result of orogenic movements in the Zagros area. Following deposition of ...A new Podocnemidinura specimen from the Upper Cretaceous Bauru Group (Paraná Basin) of southeastern Brazil was described. The Bauru Group provided an important portrait of the Brazilian Mesozoic terrestrial biota, which boasts a vertebrate fauna formed from fishes, frogs, lacertilians, crocodyliforms, dinosaurs and mammals; records of palynomorphs; and invertebrate fauna consisted of ...Fossiliferous deposits of the Greenhorn Limestone (Upper Cretaceous) are found on the Comanche National Grassland in southeastern Colorado. The lowest portion of the Greenhorn Limestone, the base of the Lincoln Limestone Member, contains calcarenite beds rich in disarticulated remains of marine vertebrates. We examined the composition of the ...The Upper Cretaceous to Upper Palaeocene rocks of the Zimam Formation along the southwestern escarpment of the Hun Graben of NW Libya have been stratigraphically investigated from two ...

These dromaeosaurid postcranial remains have been found mainly in Upper Cretaceous strata of southern France (Le Loeuff et al. 1992; Le Loeuff and Buffetaut 1998; Allain and Taquet 2000;Chanthasit ...Additional publication details. Part or all of this report is presented in Portable Document Format (PDF). For best results viewing and printing PDF documents, it is recommended that you download the documents to your computer and open them with Adobe Reader. PDF documents opened from your browser may not display or print as intended.The Turonian is, in the ICS' geologic timescale, the second age in the Late Cretaceous Epoch, or a stage in the Upper Cretaceous Series.It spans the time between 93.9 ± 0.8 Ma and 89.8 ± 1 Ma (million years ago). The Turonian is preceded by the Cenomanian Stage and underlies the Coniacian Stage.. At the beginning of the Turonian an oceanic anoxic …Instagram:https://instagram. where can the communications plan be foundtbt mass stdarius vs cho'gathku vs texas volleyball Udanoceratops belonged to the Ceratopsia (the name is derived Greek meaning 'horned face'), a group of herbivorous dinosaurs with parrot -like beaks which thrived in North America and Asia during the Cretaceous Period. [1] It is placed within the Leptoceratopsidae, as the only Asian representative at the time, along with the North …The Cretaceous (IPA: / k r ɪ ˈ t eɪ ʃ ə s / krih-TAY-shəs) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest.At around 79 million years, it is the longest geological period of the entire Phanerozoic.The name is derived from the Latin creta, "chalk", which is abundant in the latter ... jayhawks football rosternolan cromwell wife The ichnofossil assemblage from the Upper Cretaceous Kem Kem beds contributes evidence for a transition from predominantly terrestrial to marine deposition. Body fossil and ichnofossil records ...Madtsoiidae. Madtsoiidae is an extinct family of mostly Gondwanan snakes with a fossil record extending from early Cenomanian ( Upper Cretaceous) to late Pleistocene strata located in South America, Africa, India, Australia and Southern Europe. Madtsoiidae include very primitive snakes, which like extant boas and pythons would likely dispatch ... destiny 2 pastebin leak zonation came from the Upper Cretaceous sections cropping out in a series of small to. large natural exposures, several quarries and three boreholes located in central, eastern and.A new enantiornithine bird is described on the basis of a well preserved partial skeleton from the Upper Cretaceous Qiupa Formation of Henan Province (central China). It provides new evidence about the osteology of Late Cretaceous enantiornithines, which are mainly known from isolated bones; in contrast, Early Cretaceous forms are often ...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 ...