Niobrara formation.

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 "... Nebraska (/ n ə ˈ b r æ s k ə / ⓘ) is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwest; and Wyoming to the west.. Indigenous peoples, including Omaha, Missouria, Ponca, Pawnee, Otoe, and various branches of the ...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.News and Information about the Niobrara Oil and Gas Play of Colorado and Wyoming. DJ Basin Oil Drilling Rig - Image Credit - Encana Inc. Annual state report shows regulators approved 838 new wells in 2022, with a sharp increase on the Front Range Mark Jaffe - The Colorado Sun - April 11, 2023 Oil and gas activity in 2022 was heavily focused on ...concentrations in Niobrara-influenced inflows were 288%, 863%, and 155%, respectively, greater than median concentrations where the Niobrara Formation was absent. Identification

A check-list of the fossil and prehistoric - Biodiversity Heritage LibraryThe productive Niobrara Formation in the basin contains calcareous shale, shaley limestone, and marls as reservoir rocks. According the USGS, reservoir zones in the Niobrara range from 50 to 200 feet in thickness, however, there have been wells drilled in the basin where the zones were near 400 feet.

Oil and Gas Assessment Unit (AU), and the area where depth to Niobrara Formation is more than 8,000 feet..... 43 36. Map of the Powder River Basin Province showing Niobrara Formation . potential sweet spots derived from published lineament and lineament

The Niobrara Formation / ˌnaɪ.əˈbrærə /, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous. The entire formation could produce up to 1 million barrels a day. ... Niobrara boosts interest in local oil development. Oct 9, 2010 Oct 9, 2010; Comments; Facebook; Twitter;Niobrara Formation. Gray to dark gray shale with numerous thin bentonite beds. Chalky aggregates of coccoliths and rhabdoliths in upper part. MacGowan Concretionary Bed (middle part of formation): grayish brown concretionary dolostone and limestone with phosphatic pellets and gray to black chert pebbles. Marine.Gladius of species Kansasteuthis lindneri from the Cretaceous Niobrara Formation of Rooks County, Kansas. Specimen is from the collections of the Fort Hays State University's Sternberg Museum of Natural History (FHSMIP 1528). Image by Sternberg Museum of Natural History and Jonathan R. Hendricks.Niobrara Formation (Big Horn, Wind River Basins, Wyoming), Heath Formation (Central Montana Trough), and the Bakken Formation (Williston Basin, Montana, North Dakota, South Dakota). These assessments are mandated by Congress with the goal of determining the oil and gas potential in priority areas of the United States. ...

Telegraph Creek Formation. †Warm Creek Shale of Collier and Cathcart (1922, p. 172) and Knechtel (1959, p. 740-741) in north-central Montana abandoned. Rocks reallocated to (ascending) Belle Fourche Shale, Greenhorn Formation, Carlile Shale, Niobrara Formation, and Telegraph Creek Formation.

1. Below the Pierre Formation. There are 13,000 feet of layers below Pierre that were deposited over the course of 470 million years. About 8,000 feet below Pierre are the Bakken and Three Forks formations where oil is located. 2. Pierre Formation and Niobrara Formation. Pierre and Niobrara are the lowest (or earliest) layers exposed in North ...

Named as top formation of Lower Cretaceous series, top of Lower Cretaceous. Formerly called "formation No. 3" (Meek and Hayden, 1857). Type not designated. Named for Niobrara River, Knox Co, NE in Salina basin, where formation forms 90-100 ft cliffs near mouth along Missouri River.Niobrara Total Petroleum System in the Southwestern ... - USGS. EN. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk ...The Niobrara Formation of north‐east Colorado, USA, has anomalously negative δ18O values compared to all other Cretaceous chalks. These unique δ18O values have been attributed to elevated heat ...The significance of sweet spot identification includes improved recovery from the Niobrara, Codell, and potential deeper intervals for future exploration of drilling targets. Furthermore, sweet spot information also assists in keeping the well in formation, which is difficult to do without the seismic data.The Niobrara Formation ranges in lithology from limestone to chalk to a slightly calcareous shale of Late Cretaceous age that was deposited in a shallow epicontinental sea during Late Cretaceous time (Shurr and Rice, 1987). The Niobrara outcrops in minor localities in the northeastern part of the state. The Niobrara is underlain by the Carlile ...

Formation Carlile Shale Niobrara Formation Mowry Shale Muddy Sandstone Thermopolis Shale Morrison Formation Lakota Formation Fall River Formation Inyan Kara Gp Sundance Formation Chugwater Formation of Darton (1908) Satanka Shale Forelle Limestone Fountain Fm Casper Formation Hartville Formation Englewood Limestone Guernsey FormationA new, unusually well-preserved juvenile specimen of Ctenochelys stenoporus from the Niobrara Formation is described. The skull has come apart at its sutures and all bones of the braincase and ear ...period, particularly for horizonal drilling of the Niobrara Shale formation. The Mowry Shale is an organic-rich play and indicates a promising potential based on other shale play analogs. Exploration of the Mowry was delayed due to the 2015 downturn, therefore limited production data is available today.Two genre of pterosaurs are present in the formation, both within Pterodactyloidea: the pteranodontid Pteranodon (sometimes broken into several genera like Geosternbergia …The company's 2013 drilling plan targets the B bench of the Niobrara formation and is primarily focused on horizontal development drilling. Pad drilling was initiated by the company in the second half of 2012 with three four-well pads. The average vertical depth drilled was approximately 1,951 m (6,400 ft) plus a 1,219-m (4,000-ft) lateral ...Niobrarasaurus (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. It was a …

The Upper Cretaceous carbonate-rich Niobrara Formation is a prominent petroliferous unconventional reservoir that is generally characterized by fine-scale heterogeneities that complicate local and regional correlation of target zones, well placement and completion strategies. Within rhythmically interbedded reservoirs like the Niobrara Formation, the occurrence of thin marl and chalk beds ...During the time of the deposition of the Niobrara Chalk, much life inhabited the seas of the Western Interior Seaway. By this time in the Late Cretaceous many new lifeforms appeared such as mosasaurs, which were to be some of the last of the aquatic lifeforms to evolve before the end of the Mesozoic. Life of the Niobrara Chalk is comparable to that of the Dakota Formation, although the Dakota ...

Although the Niobrara National Scenic River is comprised mostly of private land, the Fort Niobrara National Wildlife Refuge and Niobrara Valley Preserve protect much of the area. ... The escarpment on the north side of the valley is a good place to view the lateral exposure of the Ash Hollow Formation (6-11 million years old). Below that is the ...Niobrara Formation (Big Horn, Wind River Basins, Wyoming), Heath Formation (Central Montana Trough), and the Bakken Formation (Williston Basin, Montana, North Dakota, South Dakota). These assessments are mandated by Congress with the goal of determining the oil and gas potential in priority areas of the United States. ...People have long known that the Niobrara is thick, rich in organics and thermally mature. Oil has flowed from the Niobrara since the dawn of the industry: Florence Field, near Canon City, Colorado, was discovered in 1876 near an oil seep. Florence produces from fractured Pierre shale, and part of the Niobrara formation. Oil pioneers also found the Niobrara productiveNiobrara Formation JSON Shapefile White to dark-gray argillaceous chalk, marl, and shale. Weathers yellow to orange. Contains thin, laterally continuous bentonite beds, …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 ...Imaging of Niobrara Formation and Mowry Shale samples from a range of thermal maturities provided observations and data on pore systems, organic matter (OM) types and associations with mineralogy and fabric, wettability, and microporosity associated with both diagenetic and detrital clays. Imaging techniques included scanning electron microscopy, organic petrography and correlative scanning electrThe Niobrara Formation is a significant source of dissolved solids, Se and a moderate source of U along the studied reach of the Arkansas River. They revealed that during both the irrigation and non-irrigation seasons, concentrations of these constituents were substantially greater in Niobrara-influenced surface-water inflows.This study presents a regional stratigraphic framework and paleoenvironmental reconstruction of the Niobrara Formation in northern Colorado (Fig. 1) based upon multidisciplinary biostratigraphic and petrographic data. In doing so, this analysis provides an integrated biofacies/lithofacies model of sediment deposition and regional ...8 sept. 2014 ... The Niobrara formation consists of a widespread deposit of interbedded marine chalk, limestone and organic rich shale. Primary lithology in the ...The Niobrara Formation is emerging as a large tight oil play within the Powder River Basin (PRB), Wyoming. Selection of landing zone and the prediction of lateral sedimentological variation across the basin is crucial for hydrocarbon production. In this paper we outline a workflow utilizing primary data-sets inclusive of facies, automated ...

The Cretaceous Niobrara Formation is a productive, unconventional petroleum exploration target in the Denver Basin, Colorado. It is a self-sourced oil and gas play composed of alternating chalk and marl units. Ductile marls can serve as major source rocks with TOC values ranging 2-8 wt. %.

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.

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. This Niobrara formation was deposited during the geologic period known as the Cretaceous, some 100 million years ago, when the area was covered by a shallow, inland sea. During those ancient times, various marine fishes, reptiles, and invertebrate animals lived in the warm, oceanic waters here, while the dinosaurs were living on the lands to ...Gladius of species Kansasteuthis lindneri from the Cretaceous Niobrara Formation of Rooks County, Kansas. Specimen is from the collections of the Fort Hays State University's Sternberg Museum of Natural History (FHSMIP 1528). Image by Sternberg Museum of Natural History and Jonathan R. Hendricks.Stratigraphic distribution of the nodosaurid specimens in the Niobrara Formation, Kansas. The exact levels of YPM 1847, YPM 55419 and KUVP 25150 are approximate within the range of the bars.Nannofossils of the North American Late Cretaceous Western Interior Seaway have been extensively studied, but these investigations have primarily focused on the diverse communities of the Niobrara and Greenhorn sea-level highstands. We lack a firm understanding of the nature of early nannofossil communities from the initial stages of the transgression, and of how the diverse assemblages of the ...In the Pierre Shale Sandstones play, oil and gas is produced from the Sussex and Shannon sandstones. These reservoirs reach 4,500’ to 5000’ in depth and range from 3’- 50’ in thickness. and include seven accumulations. Shale and shallow chalk reservoirs of the Upper Cretaceous Niobrara formation house dry non-associated gas.Formation: Niobrara Period(Early): Cretaceous. FHSM VP-18977 Niobrarasaurus coleii (Mehl, 1936) Formation: Niobrara Period(Early): Cretaceous. FHSM VP-19363 Chondrichthyes (Huxley, 1880) Formation: Niobrara Period(Early): Cretaceous. FHSM VP-19521 Ichthyodectidae (Crook, 1892)Bulletin 115—Stratigraphy of the Upper Cretaceous Niobrara Formation in the Raton Basin, New Mexico. We are a research and service division of: By G. R. Scott, W. A. Cobban, and E. A. Merewether, 1986, 34 pp., 3 tables, 16 figs. ... The rock units and fossils of the Niobara Formation in the Raton Basin are correlated with those near Pueblo ...

Intellectual merit: The goal is to revise the Cretaceous time scale using new 40 Ar/ 39 Ar and U-Pb dates that anchor astronomical time scales from the Western Interior basin. New 40 Ar/ 39 Ar dates (n=34) have been acquired from Albian to Campanian representing 1000's of sanidine dates. Campanian U-Pb zircon dates, the first for the Late Cretaceous, are from 8 of the 40 Ar/ 39 Ar dated ashes.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. Niobrara Formation (Kn) - Light-colored limestone and gray to yellow speckled limy shale. Frontier Formation (Kf) - Gray sandstone and sandy shale. Mowry Shale (Kmr) - Silvery-gray hard siliceous shale containing abundant fish scales and bentonite beds. Thermopolis Shale - Black soft fissile shale; Muddy Sandstone Member at top.Instagram:https://instagram. scot pollard championship ringwho is the head football coach at kansasuibeku game channel today • The Niobrara Formation is coeval with part of the lower Blue Gate Shale and Emery Sandstone Members of the Mancos. The starting point for the correlations was the stratigraphic framework for the Niobrara developed at the Colorado School of Mines (Fisher, 2007; Kuzniak, 2009; D. Anderson, written communication, ... robert h bennett political partyhow to start a career in sports analytics The Late Cretaceous (89-82 Ma) Niobrara Formation is the primary target for unconventional horizontal well activity in the Denver Basin. With an abundance of horizontal activityThe Niobrara Formation in the Raton basin of northeastern New Mexico consists of the Fort Hays Limestone Member, about 20 ft thick, and the overlying Smoky Hill Shale Member, 800-900 ft thick. ups close to here The Niobrara Formation in the Denver Basin is an unconventional oil and gas play composed of highly cyclic, alternating chalk and marl units. These units act as the source, seal and trap for hydrocarbons generated in the organic rich marl beds of the Niobrara. The organic-rich marls act as source rocks and represent periods of anoxia and organic preservation. The calcareous, carbonate-rich ...Smoky Hill Marl Member of Niobrara Formation (CO*,NM*) Geologic age: Late Cretaceous (Coniacian to Campanian)* Type section, locality, area and/or origin of name: Not designated. Named from Smoky Hill River in KS (Cragin, 1896). AAPG geologic province: Central Kansas uplift* Anadarko basin* ...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 surface of the Earth at depths of three thousand to fourteen thousand.