Pierre shale

Measure from the 1980 water table to the top of the Pierre Shale. Be sure to use the vertical scale (on the left hand side). Choose the best answer below. Group of answer choices. minimum: 3800 ft; maximum: 4600 ft. minimum: 0 ft; maximum: 250 ft. minimum: 400 ft; maximum: 1000 ft. minimum: 100 ft; maximum: 450 ft

Paleontology Educational Resources Cooperstown Pierre Shale Site Cooperstown Pierre Shale Site Mosasaurs, Sharks, and Other Marine Creatures from the Cooperstown Pierre Shale Site by John W. Hoganson, Michael Hanson, Dennis L. Halvorson, and Verla Halvorson Figure 1 - Mike Hanson and Dennis Halvorson at the Cooperstown Site.Styxosaurus was a large elasmosaur, with a long neck measuring about 5.25 metres (17.2 ft) in total. [4] [7] It reached 10.5 metres (34 ft) in length and 2.3 metric tons (2.5 short tons) in body mass. [8] [a] Its sharp teeth were conical and were adapted to puncture and hold rather than to cut; like other plesiosaurs, Styxosaurus swallowed its ...Tell-tale signs of the Seaway are the Pierre Shale and the Austin Chalk. Here are some of the most notable outcroppings and deposits. Monument Rocks: Also called Chalk Pyramids, these huge chalk formations in Gove County in Kansas are the remains of carbonate deposition in the Seaway. They reach up to 70 ft (21 m) high and include stunning ...Fossil specimen of the ammonite cephalopod Baculites sp. from the Cretaceous Pierre Shale of Wasta, South Dakota (PRI 70605). Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Maximum length of specimen is approximately 8.5 cm. Model by Emily Hauf. - Cephalopod: Baculites sp. …The Cretaceous Pierre Shale formation of the United States and Canada is well known for the abundant ammonite fauna it yields, including Baculites, Placenticeras, Scaphites, Hoploscaphites and Jeletzkytes, as well as many uncoiled forms. Many of these also have much or all of the original shell, as well as the complete body chamber, still intact.Pierre Shale--Middle unit (Cretaceous) at surface, covers 2 % of this area. In Boulder-Fort Collins area, contains Richard, Larimer, Rocky Ridge, Terry, and Hygiene Sandstone Members; elsewhere shale between zones of Baculites reesidei and B. scottiBishop, G.A. & Williams, A.B. (2000) Fossil crabs from Tepee Buttes, submarine seeps of the Late Cretaceous Pierre Shale, South Dakota and Colorado, U.S.A. Journal of Crustacean Biology, 20 (Special Number, 2), 286-300. Bittner, A. (1875) Die Brachyuren des vicentinischen Tertiargebirges. Denkschriften der mathematisch …The 1-3-m-thick Crow Creek Member is a unique marlstone with rip-up clasts and a basal coarse layer in the Upper Cretaceous Pierre Shale in South Dakota and Nebraska. Although the Member has been thought to represent a marine transgression along the eastern margin of the Western Interior Seaway, the presence of impact ejecta from the Manson ...

Discusses the accuracy of dating methods and creationist arguments that radiometric dating does not work. Explains the Manson meteorite impact and the Pierre shale, the ages of meteorites, the K-T tektites, and dating the Mount Vesuvius eruption. (Author/YDS)Abstract. The Pierre Shale and equivalent rocks of Late Cretaceous age consist in the east-central Dakotas of several hundred feet of offshore-marine shale and minor marl; in west …The Pierre Shale of Late Cretaceous age forms an impermeable base to the High Plains aquifer in much of Colorado. The thickness of the Pierre Shale increases from zero near the Arkansas River to more than 4,000 feet near the western edge of the aquifer in central Colorado. In southeastern Colorado and eastern New Mexico, the High Plains aquifer ...Gastroliths from KUVP 129744. Scale = 10cm. An slightly different version of this page was published as: Everhart, M. J. 2000. Gastroliths associated with plesiosaur remains in the Sharon Springs Member of the Pierre Shale (late Cretaceous), Western Kansas. Kansas Acad. Sci. Trans. 103 (1-2):58-69. NOTE: This specimen is redescribed as possible ...Bishop, G.A. & Williams, A.B. (2000) Fossil crabs from Tepee Buttes, submarine seeps of the Late Cretaceous Pierre Shale, South Dakota and Colorado, U.S.A. Journal of Crustacean Biology, 20 (Special Number, 2), 286-300. Bittner, A. (1875) Die Brachyuren des vicentinischen Tertiargebirges. Denkschriften der mathematisch …

Late Cretaceous marine turtles are rare in Canada, but specimens are known from three formations: Toxochelys latiremis Cope and Protostega sp. from the Pierre Shale, Pembina Member (lower ...Tell-tale signs of the Seaway are the Pierre Shale and the Austin Chalk. Here are some of the most notable outcroppings and deposits. Monument Rocks: Also called Chalk Pyramids, these huge chalk formations in Gove County in Kansas are the remains of carbonate deposition in the Seaway. They reach up to 70 ft (21 m) high and include …In addition to the clay, cropping out in Dakota areas (Plummer and, Romary, 1947; Plummer and others, 1954), materials that merit attention include lignitic coal in the Dakota (Schoewe, 1952); oil shale of poor quality in the Dakota and Pierre Formations (Runnels and others, 1952); glass sand in the Cheyenne Formation (Nixon and others, 1950; Ro...Cretaceous Pierre Shale by Mike Hanson and Dennis Halvorson, near Cooperstown, Griggs County. Donated by Bev and Orville Tranby. On display at the North Dakota Heritage Center. 85 mm long. North Dakota State Fossil Collection ND95-40.1. Hesperornis skeleton showing position of tarso-metatarsal. Title: Hesperornis regalis.pmdReclamation & Remediation. Our mission is to encourage and promote the development, production, and utilization of oil and gas in North Dakota in such a manner as will prevent waste, maximize economic recovery, and fully protect the correlative rights of all owners to the end that the landowners, the royalty owners, the producers, and the ...Scaphitid ammonites (scaphites) are common in the Upper Cretaceous Pierre Shale and Bearpaw Shale of the Western Interior of North America. We redescribe Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876) from the Baculites compressus-B. cuneatus zones of the upper Campanian. The types of both of these species were collected in the mid-19th century in what was then called ...

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Methane seeps in the Upper Cretaceous Pierre Shale of the U.S. Western interior contain a rich fauna including ammonites (Baculites, Hoploscaphites, Didymoceras, Placenticeras, Solenoceras ...Pierre Shale (Upper Cretaceous) at surface, covers 11 % of this area. Blue-gray to dark-gray, fissile to blocky shale with persistent beds of bentonite, black organic shale, and light-brown chalky shale. Contains minor sandstone, conglomerate, and abundant carbonate and ferruginous concretions. Thickness up to 1,000 ft (305 m).The Cretaceous Pierre Shale formation of the United States and Canada is well known for the abundant ammonite fauna it yields, including Baculites, Placenticeras, Scaphites, Hoploscaphites and Jeletzkytes, as well as many uncoiled forms. Many of these also have much or all of the original shell, as well as the complete body chamber, still intact.Undrained as well as drained tests were performed with samples of Pierre outcrop shale, which has variation in porosity (19-26%) and clay content (40-60%) between different batches. Fig. 13 shows the resulting total axial stress vs. axial strain curves for two Pierre Shale samples drilled perpendicular to bedding. The undrained test ...

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 to New Mexico. The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia).In Badlands National Park, mosasaur fossils have been found in the Pierre Shale, a rock unit laid down in the Western Interior Seaway roughly 75-69 million years ago. The Western Interior Seaway was a shallow inland sea that stretched from the Gulf of Mexico all the way to the Arctic Ocean, cutting the North American continent in two.Serpentisuchops pfisterae is a polycotylid plesiosaur from the Upper Cretaceous Pierre Shale that presents the trait combination of both an elongate snout and elongate neck (consisting of 32 ...The U.S. Geological Survey, in cooperation with the U.S. Air Force Civil Engineer Center, used surface-geophysical methods to delineate the top of Cretaceous Pierre Shale along survey transects in selected areas east and southeast of Ellsworth Air Force Base, South Dakota, from April to September 2021. Two complementary geophysical methods—electrical resistivity and passive seismic—were ...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 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, fossiliferous, with veins and seams of gypsum, and concretions of iron oxide. The Pierre Shale is about 700 feet (210m) thick …The Pierre Shale at the base of the exposed succession is a marine unit. The White River Group weathers and erodes relatively quickly into a rugged landscape with steep slopes, little to no soil, and little to no vegetation. These are the characteristics of badlands topography - "bad" referring to its unsuitability for farming. ...The contact of the Niobrara Formation and Sharon Springs Member of the Pierre Shale is geochemically defined by a synchronous decrease in Si, K, Al, Ti, Zr, Cr, and Nb and increase in Sr and Ca concentrations in the Smoky Hill Member. Elemental changes at formation boundaries can be attributed to differing mineralogical composition across the ...Member of Pierre Shale. Gives a reference locality [section] for Pierre near Red Bird, secs 14 and 23, T38N, R62W, Powder River basin, in which the thickness of Red Bird is given as 607 ft. Consists of soft, silty shale containing yellow-, orange-, and tan-weathering fossiliferous limestone concretions.Mancos and Pierre Shale. As the sea level rose, it flooded most of the state, depositing the Mancos Shale in the west and the Pierre Shale in central and eastern Colorado. These layers have produced an incredible menagerie of fossils, including coiled, squid-like ammonites, oysters, snails, rare and delicate pterosaur bones, enormous teeth of ...Chalk beds in the Pierre Shale at Old Baldy in eastern Boyd County, Nebraska, to the west of a county road from Nebraska Highway 12 to the Missouri River valley, p. 28 5. An exposure of loess at the Star School Hill Prairie Conservation Area, U.S. Highway 275, 1.5 miles south of the Iowa-Missouri border, Atchison County, Missouri, p. 8 13a.Irreversible thermal compaction has been observed in Pierre shale 19 and for a Canadian shale 20; a thermo-elasto-plastic response under temperature variations similar to that observed in clays has been reported for Opalinus Clay 21 together with a decrease of the failure strength at high temperatures. 22 On the other hand, the evolution of ...Volume 1 of 4 ISBN: 978-1-5108-2802-5 50th US Rock Mechanics / Geomechanics Symposium 2016 Houston, Texas, USA 26 - 29 June 2016

Studies of laboratory-treated Na +-smectite and Pierre Shale and natural thermo-mature gas shale indicate that, large quantities of silica are released during clay mineral transformation to form quartz cement (within a closed shale system). Two types of quartz cement are recorded in lab treated samples; granular silica, formed with all lab treated samples (Na +-smectite and Pierre Shale) at ...

Cooperstown Pierre Shale Site Cooperstown Pierre Shale Site Mosasaurs, Sharks, and Other Marine Creatures from the Cooperstown Pierre Shale Site by John W. Hoganson, Michael Hanson, Dennis L. Halvorson, and Verla Halvorson Figure 1 - Mike Hanson and Dennis Halvorson at the Cooperstown Site. Se is an environmental concern as it can be toxic if present in high concentrations even though it is a dietary requirement for all animals. Se levels are a special concern in the Fountain Creek Watershed located in southeastern Colorado whose geological source is the Se-rich Pierre Shale. Segments of Fountain Creek have Se …The Sharon Springs Member of the Pierre Shale (lower Campanian) is a black, organically rich shale deposited in the Western lnterior Seaway during the Claggett Cyclothem. Atmospheric and water ...Based on integrated research of 1490 well logs with two cores, this study demonstrates that the lower Pierre Shale interval is a Type 1 Ramp Margin Sequence. Although previous studies primarily focused on individual sandstone members or parts of the lower Pierre Shale section in relatively limited areas, this study provides an in-depth sequence ...Strong velocity dispersion occurred in the range from 10 kHz to 1 MHz for Pierre shale, and 1 kHz to 1 MHz for Mancos shale. However, for both shales, resonance measurements were representative ...And, finally, Tylosaurus neumilleri and Tylosaurus pembinensis were described from the middle Campanian of the Pierre Shale of South Dakota and Manitoba, respectively (Nicholls 1988;Martin 2007 ...3. Orientation of the Pierre Shale along the Front Range -Beds have a nearly vertical alignment where uplifted along the Front Range. -This creates a 1.5-3.2 km wide band along the Front Range. -A dip angle of 30° or greater leads to the particular case of heaving bedrock Many beds intersect the ground surface each with different swell potentials.

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For the Pierre Shale specimens, the calculated temperatures of well-preserved jaw material match those of well-preserved shell material in the same individual. Analyses of the jaw elements in the Mooreville Chalk permit a comparison of the paleotemperatures between the two sites, and show that the Western Interior is warmer …Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: polycotylidae; replacement names for the preoccupied genus ... (Sauropterygia: Plesiosauria) from the Pierre Shale of Wyoming and South Dakota. Journal of Vertebrate Paleontology, 28 (2008), pp. 664-676. View in Scopus Google Scholar. …Grades downward into the Steele shale. Is overlain by 170 ft thick marine shale that merges eastward with the Pierre shale of the Black Hills. This marine shale is designated a tongue of the Pierre. The upper formation of the Mesaverde in this basin is the Teapot sandstone (formerly assigned member rank in the Mesaverde formation).Abstract The purpose of this reconnaissance is to assess the potential of the Pierre Shale, of Late Cretaceous age, as a possible isolation medium for radioactive wastes. The regional stratigraphic and structural setting of the Pierre Shale in the northern Great Plains is summarized from subsurface data.The Pierre Shale is a marine deposit that accumulated in the Cretaceous Western Interior Seaway during the onset of Laramide tectonism in the southern Rocky Mountains region. In the eastern part ...Lithological and paleontological studies of outcrops of Upper Cretaceous formations were conducted at 12 localities in eastern Wyoming, central Colorado, and northeastern New Mexico. The sequence extends upward from the top of the Mowry Shale, or age-equivalent rocks, through the Graneros Shale, Greenhorn Limestone, Carlile Shale, Niobrara Formation, Pierre Shale, and Fox Hills Sandstone, or age-ePierre Shale up to the Raton Formation. However, Lee's focus in Berwind Canyon was on the coal-bearing Vermejo Forma-tion, so he presented very little information on the Pierre Shale in the canyon. Berry (2010, 2016, 2017, 2018a) has published studies of some of the ammonites and associated fossils in the Pierre Shale in Berwind Canyon.Conformably overlies Pierre shale (Upper Cretaceous); unconformably? underlies Laramie formation (Upper Cretaceous). Outcrops as northerly striking very narrow band from southern to northern borders of quad. In northern part of quad unit is composed entirely of sandstone, about 60 ft thick; near Golden it is composed of 8 ft of sandstone at ...the Niobrara Formation. The known thickness of the Pierre Shale near the vicinity of the investigation ranges from 244 to 366 m. At the study area, the Elk Butte and Mobridge members of the Pierre Shale are mainly exposed at the surface and generally locally covered by thin colluvium and alluvium in stream valleys and soil horizons on the divides. ….

Shales are sedimentary rocks that consist of mainly reactive and non-reactive clay minerals (smectite, illite, kaolinite, chlorite, vermiculite) and other forms of minerals like quartz, calcite, feldspar, and many more (Lyu et al., 2015).However, in the presence of water, reactive clay minerals present within the shale formation have been faced with different challenges especially wellbore ...For example, the Pierre Shale formation can be recognized across the Great Plains, from New Mexico to North Dakota. The famous White Cliffs of Dover in southwest England can be matched to similar white cliffs in Denmark and Germany. A second clue could be the presence of a key bed, or a particularly distinctive layer of rock that can be ...The Pierre Shale is a dark gray clayey to silty mudstone that is exposed in large parts of the Northern Great Plains (Gill and Cobban 1966).It is time equivalent to the Bearpaw Shale in northern and western Montana, Alberta, Saskatchewan, and possibly Manitoba (depending on reference, e.g., Bamburak and Nicolas 2009).It is Campanian to Maastrichtian in age.Claystone samples of the Denver and Pierre Shale Formations obtained near Denver, Colorado, USA were used in the study. A moist tamping system was used to obtain "identical" soil specimens.Biofacies dynamics in the Upper Cretaceous Pierre Shale, Western Interior, USA . Dataset. oleh Slattery, Joshua Terbitan: Mendeley, 2018 Available online: Get online. Favorit. Tersimpan di: Search Tools: Get RSS Feed — Email this Search ...A left side view of the skull of a large Mosasaurus missouriensis in the KU Museum of Natural History. In this section, I have placed pictures of some of the remaining genera of mosasaurs. Mosasaurus occurs later in the deposition of the Pierre Shale (early Campanian time). It was a very large mosasaur, reaching lengths of greater than 12 meters.a) Carrot River Area SMNH Locality 63E03-0001 Geology and Invertebrate Bioslratigraphy The stratigraphically oldest locality is a 1 to 2 m thick exposure along the Carrot River. It is made up of soft, carbonaceous dark shale characteristic of the Belle Fourche Member of the Ashville Formation (McNeil and Caldwell, 1981).Data now available suggest a regular relation between permeability and porosity in clays and shales and permeabilities that, even at large scales, are significantly lower than usually assumed. Permeabilities between 10 −23 and 10 −17 m 2 have been obtained at porosities between 0.1 and 0.4 in both laboratory and regional studies. Although ...Pierre Shale (WY) Campanian Bearpaw Shale (Upper) (MT) [Campanian] Main Body Formation (CO) Pierre Shale (MT) Pierre Shale (SD) [Campanian] Pierre Shale (WY) [Campanian] Holotype of Baculites eliasi (USNM 108969). Original unmodified images provided by courtesy of the Smithsonian NMNH and adapted and presented here under …The Cretaceous Pierre shale occurs at depths of 4,000 to 6,000 feet in the Raton Basin. The gross overall thickness of the shale ranges from 2,200 to 2,800 feet, and completions to date have primarily focused on the lowest of five intervals, with commercial pay of 200 to 300 feet. The company has also successfully tested the two zones above and ... Pierre shale, Volume 1 of 4 ISBN: 978-1-5108-2802-5 50th US Rock Mechanics / Geomechanics Symposium 2016 Houston, Texas, USA 26 - 29 June 2016, Binomial name. †Archelon ischyros. Wieland, 1896. Archelon is an extinct marine turtle from the Late Cretaceous, and is the largest turtle ever to have been documented, with the biggest specimen measuring 4.6 m (15 ft) from head to tail and 2.2–3.2 t (2.4–3.5 short tons) in body mass. It is known only from the Pierre Shale and has one ..., FIGURE 34. Hoploscaphites criptonodosus (Riccardi, 1983), macroconch. A–D. USNM 713617, USGS loc. 12757, Baculites grandis Zone, Pierre Shale, Weston County ..., 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 to New Mexico. The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences . They described it as a dark-gray shale, fossiliferous, with veins and seams of gypsum, and concretions of ..., Cretaceous Pierre Shale is directly related to faulting in the underlying Precambrian rocks. The seismic data show fault displacements of as much as 70 ft in the Cretaceous sedimentary rocks at a depth of 2,130 ft; these displacements disrupt overlying rocks and appear to extend into the lower part of the Pierre Shale., This paper presents the evaluation of the stiffness and strength anisotropy of overconsolidated (OC) Bootlegger Cove Formation (BCF) clays at the Port of Alaska, formerly known as the Port of Anchorage. The stiffness and strength anisotropic material response was evaluated based on triaxial samples equipped with internal …, Pierre Shale in the northern Great Plains (Shurr, 1977; 1980). A computer scan of the "Well History Control System", produced by the Petroleum Infor­ mation Corporation, selected one well per township from the 33,000 wells which penetrated the Pierre. The resulting sample of 5,000 control points, To stimulate pyrite oxidation in the selected shale samples, a soxhlet extractor was modified to continually drip distilled water over the shale chips contained within a cellulose thimble, before being collected in a flask, in a setup suggested by Pedro (1961) (Fig. 1).The condenser was left open, allowing exchange with the atmosphere; no attempt was made to control/monitor oxygen and carbon ..., Pierre Shale--Middle unit (Cretaceous) at surface, covers 2 % of this area. In Boulder-Fort Collins area, contains Richard, Larimer, Rocky Ridge, Terry, and Hygiene Sandstone Members; elsewhere shale between zones of Baculites reesidei and B. scotti, Welcome to the Fossil Forum! I assume you collected at Baculite Mesa? If so (or anywhere in that area) the long cylindrical fossils are Baculites scotti if they are smooth. The outcrop is in the Baculites scotti zone of the Pierre Shale, and 99.9% of the Baculites there are that species. There is a second Baculites, B. texanus, that has strong nodes on the side, but they are very rare compared ..., Pierre Shale. The oldest formation is the Pierre Shale, these black layers were deposited between 69 and 75 million years ago during the Cretaceous Period when a shallow, inland sea stretched across what is now the Great Plains. Sediment filtered through the seawater, forming a black mud on the sea floor that has since hardened into shale., General Information. Title: The Red Bird section of the Upper Cretaceous Pierre Shale in Wyoming Author(s): Gill, J.R., and Cobban, W.A. Publishing Organization: U.S. Geological Survey Series and Number: Professional Paper 393-A Larger Work: Stratigraphy, paleontology, and sedimentation of a classic reference locality of the Pierre Shale, A study of the Pierre Shale was undertaken, focusing on two measured sections along the eastern side of the Missouri River near Fort Thompson, South Dakota. The members of the Pierre Shale represented within these sections are, successively, the Gregory, Crow Creek, DeGrey, and Verendrye. Micropaleontologic samples were analyzed, with factor ..., The Pierre Shale is a marine deposit that accumulated in the Cretaceous Western Interior Seaway during the onset of Laramide tectonism in the southern Rocky Mountains region. In the eastern part ..., For more information, you can contact the Friends group at: Friends of NDGS Paleo. Trissa Ford - President. Katy Brooke - Secretary/Treasurer. PO Box 164. Mandan, ND 58554. United States. Phone: 701-516-8665. [email protected]., Oct. 23, 2023 Updated 7:14 a.m. ET. Chevron, the U.S. energy giant, said Monday that it had agreed to acquire Hess, a medium-sized rival, in an all-stock deal valued at $53 billion. The deal marks ..., However, Pierre shale, like most sedimentary rocks, can be taken to be transversely isotropic. Such a material has one set of properties in the plane of the bedding and a different set of properties normal to the plane of the bedding. In the present treatment, planes parallel to the x, xZ plane are taken as the plane of the bedding, and ..., Preservation of marine reptile fossils in the Pierre Shale is typically not the best, which means there can be quite some decay from the original form. However, as you're digging marine sediments and the two pieces of bone are obviously procoelous (see diagram below from Wikipedia) mosasaur is the most obvious option. Neural spines frequently ..., The Pierre Shale is a marine deposit that accumulated in the Cretaceous Western Interior Seaway during the onset of Laramide tectonism in the southern Rocky Mountains region. In the eastern part ..., the Pierre Shale and Equivalent Clay Shales Comparison of Estimates of Maximum Past Overburden for the Pierre Shale at Hayes, South Dakota Discrepancy-Ratio Data for H2 and H12 Percent Carbonate (by volume) for Pierre Shale Samples from Core Site H12. near Hayes, South Dakota vi i PAGE 28 61 70 77 78 80 91, The Cretaceous Pierre Shale formation of the United States and Canada is well known for the abundant ammonite fauna it yields, including Baculites, Placenticeras, Scaphites, Hoploscaphites and Jeletzkytes, as well as many uncoiled forms. Many of these also have much or all of the original shell, as well as the complete body chamber, still intact., Campanian, Baculites scotti Zone) of the Pierre Shale Formation (Baculite Mesa, Pueblo County, Colorado). This This nearly complete homolid, hereto described is the sixth species assigned to the ..., Niobrara Chalk was weathered and opalized in the Valentine phase of the Ogallala Formation. 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., T D ACCEPTED MANUSCRIPT FORAMINIFERA FROM THE UPPER CAMPANIAN PIERRE SHALE METHANE COLD-SEEPS, SOUTH DAKOTA Kimberly C. Meehan* 1, 2, Mariya Mego Vela 1, Nitara V. Gilles 1, Yvonne O. Chow 1, Connie Koo 1, Bryan Lopez 1, Yasmine Wolfe 1, and Sara A. George 1 1 Hunter College; Department of Earth & Environmental Sciences; 695 Park Avenue, New York, New York 10065; 2 University of Buffalo ..., 05-Jul-2016 ... Lakotacrinus brezinai n. gen. n. sp., a new stalked crinoid from cold methane seeps in the Upper Cretaceous (Campanian) Pierre Shale, ..., Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: polycotylidae; replacement names for the preoccupied genus ... (Sauropterygia: Plesiosauria) from the Pierre Shale of Wyoming and South Dakota. Journal of Vertebrate Paleontology, 28 (2008), pp. 664-676. View in Scopus Google Scholar. …, Conformably overlies Pierre shale (Upper Cretaceous); unconformably? underlies Laramie formation (Upper Cretaceous). Outcrops as northerly striking very narrow band from southern to northern borders of quad. In northern part of quad unit is composed entirely of sandstone, about 60 ft thick; near Golden it is composed of 8 ft of sandstone at ..., This is the Pierre Shale, which underlies much of the city of Colorado Springs and troubles engineering geologists with its expanding and contracting clay, which can crack foundations and heave roads. Two additional Cretaceous layers are on display along Popes Bluffs in Ute Valley Park. The Fox Hills Sandstone consists of beach sand resembling ..., entry pressure and, therefore, the shale's seal capacity. Measured capillary entry pressures were also used to estimate the pore throat radius of shales., T D ACCEPTED MANUSCRIPT FORAMINIFERA FROM THE UPPER CAMPANIAN PIERRE SHALE METHANE COLD-SEEPS, SOUTH DAKOTA Kimberly C. Meehan* 1, 2, Mariya Mego Vela 1, Nitara V. Gilles 1, Yvonne O. Chow 1, Connie Koo 1, Bryan Lopez 1, Yasmine Wolfe 1, and Sara A. George 1 1 Hunter College; Department of Earth & Environmental Sciences; 695 Park Avenue, New York, New York 10065; 2 University of Buffalo ..., Wonderful Life: The Burgess Shale and the Nature of History by Stephen Jay Gould. Opens in a new window or tab. by Stephen Jay Gould | Paperback. Pre-Owned. 5.0 out of 5 stars. ... Pierre Shale, SD. Opens in a new window or tab. Pre-Owned. $41.99. educationalbiofacts (804) 100%., The lower Pierre Shale represents a time of significant changes in the Cretaceous Western Interior Seaway, resulting from a complex interplay of tectonic ..., Oct. 23, 2023 Updated 7:14 a.m. ET. Chevron, the U.S. energy giant, said Monday that it had agreed to acquire Hess, a medium-sized rival, in an all-stock deal valued at $53 billion. The deal marks ...