Niobara formation

For example, Eze-Aku Shale is similar to Barnett Shale, Horn River Shale, Niobrara Shale Formation, and Chattanooga/Woodford in silica-richness, whilst showing a similar volume of calcite and relatively lesser amounts of clay minerals than the Eagle Ford Shale (Green River) and Haynesville (Fig. 7 and Table 6). Correlation parameters vary ...

Mosasaur (Tylosaurus proriger) Mosasaur fossil from the Cretaceous Niobrara Formation (~82 million years old), collected in Logan County, Kansas. Tylosaurus is the state fossil of Kansas. This specimen was discovered in 1911 by C.D. Bunker and his associates, and now resides at the KU Natural History Museum. It is 45 feet long and known as one ... Figure 2: (a) Core plug containing partially cemented fracture in limestone of the Niobrara Formation, Lyons, C olorado. Core plug is 1 inch (2.5 cm) in diameter . (b) T omographic image slice, 1 ...The Cretaceous-age Niobrara Chalk in western Kansas was deposited in a massive inland sea that ran north to south across west-central North America about 80 million years ago. Monument Rocks and Castle Rock , two sets of chalk spires that rise above the plain in Gove County, are composed of chalk formed from the enormous amount of ooze that ...The Cretaceous Niobrara Formation is one of the latest unconventional exploration targets in North America. In this paper, an overall Type-II marine organofacies with some variability is present ...April 30, 2020 Sections of the Upper Cretaceous (Coniacian to Campanian) Niobrara Formation in two cores from Kansas and Colorado, the Amoco Rebecca Bounds and …richness is known from the oldest deposits (such as the marine Niobrara Formation), im- plying much information on the evolution and diversification of this group remains un- known.The lower Fox Hills Formation (site Sb). 117 Figure 50. Tbe Timber Lake Member (site . 7b) • , • • 119 Figure 51. Summary of petrologic characterizations of the sand portion of the Fox Hills Formation along the south rim of the Williston Basin. • • . •••• , • Figure 52. The Timber Lake and Colgate Members of the Fox Hills ...

The Smoky Hill Chalk Member of the Upper Cretaceous Niobrara Formation is a sedimentary deposit formed in the Western Interior Seaway of North America. Here, we examined a fossiliferous bonebed ...Jan 25, 2023 · The goal of this field-based research project is to establish a tight oil field laboratory in the Powder River Basin (PRB). The field laboratory will be used to characterize and overcome the technical challenges of developing two large, emerging unconventional/shale oil formations, the Mowry Shale, and the Belle Fourche Shale, with the challenging tight sands of the Frontier and Niobrara ... Niobrara Limestone, division of rocks in the central United States dating to the Late Cretaceous Period, which ended some 65.5 million years ago. Named for exposures …overlying Niobrara Formation (Hemborg, 1993). Hydrocarbon fluids from the two units are commingled in producing wells, and the combined interval is referred to as the Codell-Niobrara interval in this report. Porosity of the Codell, determined from density logs, ranges from less than 8–22 percent. TheSeismic reservoir characterization of the Najmah Formation, Raudhatain Field, North Kuwait: Download: 2017: Alfataierge, Ahmed: MS: 3D Modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg Field, Denver Basin: Download: 2017: Avila Vizuett ...operation of the Niobrara Formation. B. Provide that the Commission’s pooling order is made effective as of the earlier of the date of this Application, or the date that any of the costs specified in § 34-60-116(7)(b), C.R.S. are first incurred for the drilling of the Wells in the Niobrara Formation on the Application Lands.Niobrara Formation JSON Shapefile White to dark-gray argillaceous chalk, marl, and shale. Weathers yellow to orange. Contains thin, laterally continuous bentonite beds, chalky carbonaceous shale, minor sand, and small concretions. Thickness up to 150 ft (46 m).

It is clear that the remarkably pronounced approximately 1.2-Myr rhythm in the primary stratigraphy of the Niobrara Formation is a consequence of the reinforcement of a 1.2-Myr obliquity forcing ...the Niobrara Formation and overlain by the Trinidad Sandstone (Lee, 1917). The age of the base of the Pierre Shale is constrained by ammonite biostratigraphy of the uppermost part of the Niobrara Formation in the Raton Basin and surrounding regions (Scott et al., 1986; Molenaar et al., 2002; Merewether et al., 2011). The age of the topNiobrarasaurus (meaning "Niobrara lizard") is an extinct genus of nodosaurid ankylosaur which lived during the Cretaceous 87 to 82 million years ago. Its fossils were found in the Smoky Hill Chalk Member of the Niobrara Formation, in western Kansas, which would have been near the middle of Western Interior Sea during the Late Cretaceous. Horizontal drilling within the Powder River Basin (PRB), is moving from appraisal towards co-development of horizontal targets within the Niobrara and Turner Sandy member of the Carlile formations ...the Niobrara Formation and overlain by the Trinidad Sandstone (Lee, 1917). The age of the base of the Pierre Shale is constrained by ammonite biostratigraphy of the uppermost part of the Niobrara Formation in the Raton Basin and surrounding regions (Scott et al., 1986; Molenaar et al., 2002; Merewether et al., 2011). The age of the top

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Abstract. The Upper Cretaceous Niobrara Formation in the Denver-Julesburg (D-J) Basin, United States, records late Turonian–early Campanian …Abstract The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, US. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla. The Niobrara is a deep-water hemipelagic ...Mosasaur (Tylosaurus proriger) Mosasaur fossil from the Cretaceous Niobrara Formation (~82 million years old), collected in Logan County, Kansas. Tylosaurus is the state fossil of Kansas. This specimen was discovered in 1911 by C.D. Bunker and his associates, and now resides at the KU Natural History Museum. It is 45 feet long and known as one ... The portion that lies within the Denver-Julesburg (DJ) Basin is a combination shale/marl/chalk/sandstone formation that lies at depths 5,500′-8,500′, and is comprised of three separate zones ...The Niobrara Formation (Upper Cretaceous) in the northern Great Plains is being studied by the U.S. Geological Survey because it includes potential low-permeability reservoirs for natural gas. Subsurface investi­ gations of the Niobrara indicate that three major chalk tongues are found within the unit.

The Niobrara Formation consists of deep-water chalks and marl units in the Denver Basin. Chalk units are generally considered the reservoir rock while the marls contain higher total organic carbon (TOC) contents and are considered the source beds. Chalk and marl units consist of microscopic coccoliths, forams (dominantly pelagic), …The formations are, from oldest to youngest: Mowry Shale, Belle Fourche Shale, Greenhorn Formation, Carlile Shale, Niobrara Formation, Pierre Shale, and Fox Hills Sandstone. Formally named members are applied to parts of the Greenhorn Formation and Pierre Shale, and all of the Carlile Shale. Ammonites are especially diverse and well preserved ...The Niobrara Shale formation is an oil and natural gas play spanning northeastern Colorado and portions of Kansas, Nebraska, and Wyoming. The shale in the formation ranges from 900 feet to 1,800 feet thick. The Niobrara region was formed approximately 145.5 million years to 65.5 million years ago by an inland sea that deposited layers of shale ... 2.22 Niobrara Shale. The Niobrara shale formation (Denver-Julesburg Basin, Colorado) is a shale rock formation located in Northeast Colorado, Northwest Kansas, Southwest Nebraska, and Southeast Wyoming. Oil and natural gas can be found deep below the earth's surface at depths of 3000–14,000. Companies drill these wells vertically and even ... Introduction The recent increase in North American unconventional oil and gas production has spurred exploration efforts into organic rich formations throughout the …Abstract. The Upper Cretaceous Niobrara Formation in the Denver-Julesburg (D-J) Basin, United States, records late Turonian–early Campanian …Geology Site 2 - At this road cut, the Cretaceous Niobrara Formation is overlain by the Pembina Member, the lowermost member of the Pierre Shale in the area. These rocks were laid down in oceans that covered most of North Dakota about 84 million years ago. The Niobrara consists of light-gray to yellowish-tan, blocky, calcareous marl.The Cretaceous Niobrara Formation is a prolific organic-rich hydrocarbon reservoir throughout the greater U.S. Rocky Mountain region. Resistivity mapping is a common tool used for maturity mapping ...The Niobrara formation is late Cretaceous in age and was deposited in the Western Interior Seaway (Kaufmann, 1977). The Niobrara is subdivided into basal Fort ...The Niobrara Formation typically occurs at depths between ∼5500 to ∼8000 ft. with pressures up to ∼350 bar (Sonnenberg, 2012), and, assuming a geothermal gradient of 0.01 °C/ft., the Niobrara Formation is between 55 °C to 80 °C (Morgan and Scott, 2014). Sample total organic carbon (TOC) was determined using a LECO carbon analyzer at ...When you write academically, you will research sources for facts and data, which you will likely include in your writing. Using this information will require that you cite your sources. Your instructor may require Harvard referencing format...

the Niobrara Formation and overlain by the Trinidad Sandstone (Lee, 1917). The age of the base of the Pierre Shale is constrained by ammonite biostratigraphy of the uppermost part of the Niobrara Formation in the Raton Basin and surrounding regions (Scott et al., 1986; Molenaar et al., 2002; Merewether et al., 2011). The age of the top

This interval comprised a thick unit of marine shale with minor intercalation of siltstones, which refers to the Verger Member at the bottom of the Niobrara Formation and is dated mid to late Coniacian based on ammonite Scaphites ventricosus and S. depressus zones (Caldwell et al., 1978).The type specimen of Saurocephalus lanciformis (ANSP 5516) was also the first fossil fish and the first vertebrate to be collected, illustrated and described from the Niobrara Formation. Over the years, the number of named Saurodon / Saurocephalus 'species' grew to eleven, but the number was reduced to two by Bardack and Sprinkle ( 1969).Jul 9, 2009 · Formation No. 3--Niobrara; Formation No. 2--Fort Benton; Formation No. 1--Dakota; Cretaceous rocks were mapped in Kansas as early as 1857 (Hayden) but detailed study proceeded slowly as evident in a remark by Swallow (1866, p. 10), in his first annual report as State Geologist of Kansas, that the "... More than 160 mapped paleontology sites are present within the Niobrara National Scenic River's reach. The Niobrara River is exceptionally rich in documented fossil sites, averaging ten times the number of sites per unit area when compared to the State of Nebraska as a whole. Please leave fossils where they are and contact either a park ranger ...These badlands are Kansas’ most dramatic Niobrara chalk formation. They provide unique and important habitat for many plants and wildlife. Native amphibians, reptiles and birds such as ferruginous hawks and cliff swallows live here. Little Jerusalem is also home to the largest population of Great Plains wild buckwheat.When Matzke (2007) described an exceptionally well-preserved juvenile specimen of Ctenochelys stenoporus from Niobara Formation, he highlighted the major ontogenetic changes occurred in the skull ...The Niobrara Total Petroleum System (TPS) covers an extensive area across the Rocky Mountain Region, USA. In the Powder River Basin (PRB), the petroleum system consists of source beds in the Upper Cretaceous Niobrara Formation as well as reservoirs in the Upper Cretaceous Frontier, Turner, Niobrara, Sussex, Shannon, Parkman, Teapot, and Teckla, and Paleocene and Eocene Fort Union and Wasatch ...Life of the Niobrara Chalk is comparable to that of the Dakota Formation, although the Dakota Formation, which was deposited during the Cenomanian, predates the chalk by about 10 million years. Table key Bony fish Pycnodontiformes Semionotiformes Pachycormiformes Crossognathiformes Ichthyodectiformes Tselfatiiformes Aulopiformes BeryciformesThe Niobrara Formation is one of the most extensive rock units in the Great Plains, and was deposited between 87 and 82 million years ago during the Late Cretaceous Period. [57] Michael J. Everhart, “Revisions to the Biostratigraphy of the Mosasauridae (Squamata) in the Smoky Hill Chalk Member of the Niobrara Chalk (Late Cretaceous) of Kansas ...

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The Niobrara Formation is an active petroleum play (Han et al., 2019), currently (June, 2023) producing ∼650,000 barrels of oil per day and ∼5 billion cubic feet …Geologic Formations. Cracked Cliffs. NPS photo. The geography of the present Niobrara River valley is closely tied to the Sandhills of Nebraska. Geologists …The Niobrara formation, consisting of a series of chalky beds, crops out only in the extreme northwest corner of Russell County, where a maximum thickness of about 100 feet remains uneroded. The lower part consists of massive beds of chalk containing few impurities, white and rather soft above and tan and harder below; the upper part consists ...The Niobrara shale formation (Denver-Julesburg Basin, Colorado) is a shale rock formation located in Northeast Colorado. Northwest Kansas, Southwest Nebraska, and …reservoirs—the Codell-Niobrara interval, comprised of the Codell Sandstone Member of the Carlile Shale and the Niobrara Formation; and the Dakota J interval, comprised mostly of the Muddy (J) Sandstone of the Dakota Group; both intervals are of Cretaceous age—in the Wattenberg field in the Denver Basin of Colorado. The Niobrara Formation was deposited in the Western Interior Seaway (WIS), which filled an active foreland basin during the Upper Cretaceous. The WIS experienced important oceanographic variations ...The Smoky Hill Chalk Member of the Upper Cretaceous Niobrara Formation is a sedimentary deposit formed in the Western Interior Seaway of North America. Here, we examined a fossiliferous bonebed from an uncertain horizon within the Smoky Hill Chalk in …A full block style format for a letter means all the text is left justified. This varies from a semi-modified block style format in which some elements are right justified. Full block format is a formal style that is common for business let...List of mosasaur-bearing stratigraphic units. This list is incomplete; you can help by adding missing items. (February 2010) This is a list of stratigraphic units from which mosasaur body fossils have been recovered. Units listed are all either formation rank or higher (e.g. group). Formations are listed by continent, and alphabetically within ... May 5, 2016 · The Niobrara formation is one of the nine horizons that are productive in the Wattenberg Area of. Colorado, which produces oil, gas and gas-condensate. The Niobrara formation in the United States Year defined. 1896 [1] The Smoky Hill Chalk Member of the Niobrara Chalk formation is a Cretaceous conservation Lagerstätte, or fossil rich geological formation, known primarily for its exceptionally well-preserved marine reptiles. [2] Named for the Smoky Hill River, [1] the Smoky Hill Chalk Member is the uppermost of the two structural units ...The formation also is easily identified on electric logs. Thickness--Thickness of the Niobrara Formation in Kansas ranges from 0 to 750 feet (Fig. 19). Figure 19--Isopachus map of Niobrara Formation in Kansas. Contour interval 50 feet. A larger version of this figure is available. ….

The type specimen of Saurocephalus lanciformis (ANSP 5516) was also the first fossil fish and the first vertebrate to be collected, illustrated and described from the Niobrara Formation. Over the years, the number of named Saurodon / Saurocephalus 'species' grew to eleven, but the number was reduced to two by Bardack and Sprinkle ( 1969). The Niobrara Formation, one such organic-rich shale, is a particularly hot target here in Colorado. While a large volume of natural gas (>700 billion cubic feet ...The Niobrara Formation, also called Niobrara Chalk, is a geologic formation in North America that was laid down between 87 and 82 million years ago during the late Cretaceous period. It is about 600 feet thick and is composed of two structural units, the Smoky Hill Chalk Member that overlies the Fort Hayes Limestone Member.Fort Hays Limestone. Fort Hays Limestone in the K-147 road cut at the Cedar Bluff State Park, Kansas, USA. The Fort Hays Limestone is a member of the Niobrara Formation of the Colorado Group exposed in Colorado, Kansas, Nebraska, and South Dakota and is named for the bluffs near the old Fort Hays, a well-known landmark in western Kansas. [1] [2]Using observations and descriptions of drilling cores, image logging, microscopic section, argon ion polishing field emission scanning electron microscopy, X-ray diffraction, and whole-rock trace element analysis, the study of shale reservoir diagenesis and space types in the Fengcheng Formation of the Mahu Sag was conducted. …The Upper Cretaceous Karababa and Karabogaz formations in southeastern Turkey extend from Osmaniye in the west to Diyarbakir in the east, covering an area nearly 300 km long and 150 km wide (Fig. 1). The organic-rich carbonates are similar to the unconventional fluid oil and biogenic gas-producing Niobrara Formation in North America.Seismic reservoir characterization of the Najmah Formation, Raudhatain Field, North Kuwait: Download: 2017: Alfataierge, Ahmed: MS: 3D Modeling and characterization of hydraulic fracture efficiency integrated with 4D/9C time-lapse seismic interpretations in the Niobrara Formation, Wattenberg Field, Denver Basin: Download: 2017: Avila Vizuett ...The Niobrara Formation is an active petroleum play (Han et al., 2019), currently (June, 2023) producing ∼650,000 barrels of oil per day and ∼5 billion cubic feet … Niobara formation, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]