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Baculites clinolobatus

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Series: GSA Special Papers
Published: 01 January 1990
DOI: 10.1130/SPE243-p1
...-based marine zonation. First approximations of correspondence between ammonite zones and North American Land-Mammal “Ages” (NALMAs) include: Lancian ( Sphenodiscus through “Triceratops” zones); “Edmontonian” (a name not yet faunally defined; Didymoceras cheyennense through Baculites clinolobatus...
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1987
AAPG Bulletin (1987) 71 (7): 859-881.
... conductivity-log and gamma-ray log cross section of Lewis Shale. X shale appears to be approximately equivalent to a black shale horizon in outcrop deposited during Baculites clinolobatu interval of Western Interior fossil zonation. XY (XY′) interval is approximate time equivalent of much of Dad Sandstone...
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Image
—Approximate positions of depositional environments based on outcrop and su...
Published: 01 November 1990
Figure 15 —Approximate positions of depositional environments based on outcrop and subsurface data during (A) early deposition of the Baculites grandis biozone and (B) early deposition of the Baculites clinolobatus biozone. The width of the shelf increased significantly, and the basin
Image
—Schematic fence diagram showing lithologic variation of the Lewis Shale an...
Published: 01 November 1990
Figure 5 —Schematic fence diagram showing lithologic variation of the Lewis Shale and distribution of facies within the study region. Locations of lines are shown on Figure 3 . The heavy dashed line indicates the approximate time of transition from Baculites grandis to Baculites clinolobatus
Image
FIGURE 10 —Reconstructed paleoshoreline positions for the Maastrichtian zon...
in > PALAIOS
Published: 01 June 2004
FIGURE 10 —Reconstructed paleoshoreline positions for the Maastrichtian zones of (1) Baculites clinolobatus , (2) Jeletzkytes (= Discoscaphites ) nebrascensis ., and (3) latest Maastrichtian “ Triceratops ”— Danian. Dots represent fossil sites sampled by previous studies (modified from
Image
—West-east conductivity-log and gamma-ray log cross section of Lewis Shale....
Published: 01 July 1987
Figure 8 —West-east conductivity-log and gamma-ray log cross section of Lewis Shale. X shale appears to be approximately equivalent to a black shale horizon in outcrop deposited during Baculites clinolobatu interval of Western Interior fossil zonation. XY (XY′) interval is approximate time
Image
Regional fossil succession in the late Campanian–Maastrichtian. Key to numb...
Published: 01 June 2017
ab*; (2) Baculites compressus ab*; (3) Baculites cuneatus ab*; (4) Baculites reesidei ab*; (5) Baculites jenseni ab*; (6) Baculites eliasi ab*; (7) Baculites baculus ab*; (8) Baculites grandis ab*; (9) Baculites clinolobatus ab* – “ Inoceramus” balchii inoceramid biozone
Image
Plot of sample inclination versus stratigraphic height for all paleomagneti...
Published: 01 January 2003
Figure 8. Plot of sample inclination versus stratigraphic height for all paleomagnetic samples analyzed from the Castle Pines core. Symbols same as for Figure 7 . 1. Approximate level of Baculites clinolobatus , dated at 69.57 after Hicks et al. (1999) . 2. Age and position of top of C31r
Image
Late Campanian–early Maastrichtian paleogeography of the Western Interior S...
Published: 01 June 2017
, 2016 ): Position of western shoreline of the WIS during the Baculites clinolobatus ammonite biozone as reconstructed by Cobban et al. (1994) , Landman and Cobban (2003) , Slattery et al. (2015) , and Miller and McKinney (2016) . New data from the Raton Basin, which are discussed in the text
Image
—West-east conductivity-log cross section of Lewis Shale. Location of cross...
Published: 01 July 1987
on Figures 5 and 8 indicate locations of fossils that can be related to Western Interior biostratigraphic zones (see Figure 3 ). From bottom to top these represent Baculites eliasi, B . grandis , and B. clinolobatus .
Image
—Correlation of Upper Cretaceous rocks of south-central Wyoming (from  Gill...
Published: 01 July 1987
within Lewis Shale is shown schematically; Dad Sandstone Member is time equivalent of Baculites grandis to B. clinolobatus range of Western Interior fossil zonation ( Gill et al, 1970 ). Formations are related to eustatic sea level curves from northern Europe (solid line) ( Hancock, 1975 ) and North
Journal Article
Journal: AAPG Bulletin
Published: 01 November 1990
AAPG Bulletin (1990) 74 (11): 1695-1717.
...Figure 15 —Approximate positions of depositional environments based on outcrop and subsurface data during (A) early deposition of the Baculites grandis biozone and (B) early deposition of the Baculites clinolobatus biozone. The width of the shelf increased significantly, and the basin...
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Journal Article
Published: 01 June 2017
Rocky Mountain Geology (2017) 52 (1): 1-16.
... ab*; (2) Baculites compressus ab*; (3) Baculites cuneatus ab*; (4) Baculites reesidei ab*; (5) Baculites jenseni ab*; (6) Baculites eliasi ab*; (7) Baculites baculus ab*; (8) Baculites grandis ab*; (9) Baculites clinolobatus ab* – “ Inoceramus” balchii inoceramid biozone...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1959
AAPG Bulletin (1959) 43 (1): 101-123.
... in the upper part of the Pierre shale along the west and north flanks of the Black Hills ( Cobban, 1958a ). Not all of the lithologic units are recognizable throughout the area, but most of the faunal zones are present. From oldest to youngest, the faunal zones are the following: Baculites clinolobatus...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1967
AAPG Bulletin (1967) 51 (7): 1361-1367.
... and sand; below this layer there is less sand and silt. About 20 ft below the base of the Fox Hills in this area are limestone concretions containing Baculites clinolobatus . In this area the Fox Hills appears to be Late Cretaceous (Maestrichtian in age) based on fossil zones in the Pierre Shale ( Cobban...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 May 2012
GSA Bulletin (2012) 124 (5-6): 957-974.
... ammonite Canadoceras yokoyamai ; (3) the Submortoniceras chicoense zone (Chicoense zone), with Baculites chicoensis showing the same stratigraphic range and equally diagnostic, as first recognized by Ward (1978a , 1978b) ; and (4) the Hoplitoplacenticeras vancouverense zone (Vancouverense zone...
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Journal Article
Published: 01 January 2003
Rocky Mountain Geology (2003) 38 (1): 1-27.
...Figure 8. Plot of sample inclination versus stratigraphic height for all paleomagnetic samples analyzed from the Castle Pines core. Symbols same as for Figure 7 . 1. Approximate level of Baculites clinolobatus , dated at 69.57 after Hicks et al. (1999) . 2. Age and position of top of C31r...
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Journal Article
Journal: PALAIOS
Published: 01 October 2012
PALAIOS (2012) 27 (10): 671-692.
... the Baculites compressus–B. cuneatus Zones of the Pierre Shale in Meade County, southwestern South Dakota, to determine the faunal and floral composition and state of preservation of the fossils, especially the ammonites ( Fig. 1 ). The concretion was collected on the banks of Elk Creek. It was mostly buried...
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Series: GSA Field Guide
Published: 01 January 2013
DOI: 10.1130/2013.0033(04)
EISBN: 9780813756332
... representing the Hygiene Sandstone Member of the Pierre Shale (Baculites scotti zone; Cobban et al., 2006 ). About 10 miles east of here, the basal Windy Gap also overlies the Pierre Shale at a similar level just above the Hygiene Sandstone Member. These relationships indicate that ~1500 m of the upper...
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Journal Article
Journal: PALAIOS
Published: 01 June 2004
PALAIOS (2004) 19 (3): 249-258.
...FIGURE 10 —Reconstructed paleoshoreline positions for the Maastrichtian zones of (1) Baculites clinolobatus , (2) Jeletzkytes (= Discoscaphites ) nebrascensis ., and (3) latest Maastrichtian “ Triceratops ”— Danian. Dots represent fossil sites sampled by previous studies (modified from...
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