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Dudley Channel Belt

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Inferred flow directions during <b>Dudley</b> <b>channel</b>‐<b>belt</b> construction, and hypot...
Published: 21 September 2016
Figure 9. Inferred flow directions during Dudley channelbelt construction, and hypothetical negative flower structure, depicted with barbed ellipse. Location of eastern Reelfoot rift margin extrapolated from Van Arsdale and Cupples (2013) .
Image
Long profiles of the last glacial <b>Dudley</b> and Morehouse braid-<b>belt</b> surfaces ...
Published: 01 May 2012
-order polynomial function. The Dudley and Morehouse long profiles and the Rondo and Paragould channel-belt data are from Rittenour et al. (2007) .
Series: GCSSEPM
Published: 01 December 2000
DOI: 10.5724/gcs.00.15.0318
EISBN: 978-0-9836097-0-4
... to discontinuous shales; and an absence of channels. The diagram is representative of the dip and strike sections at Skoorsteenberg. Figure is not to scale (after Dudley, 1999 ). Progradation, retrogradation, amalgamation, and lateral switching of sandstone beds characterize this deep-water environment...
Journal Article
Journal: AAPG Bulletin
Published: 01 October 2004
AAPG Bulletin (2004) 88 (10): 1391-1418.
...Dale A. Leckie; Karen E. Wallace-Dudley; Nancy A. Vanbeselaere; David P. James Abstract Nonmarine strata of the Lower Cretaceous Mannville Group and marine strata of the Upper Jurassic Ellis Group in southern Alberta were deposited in the low-accommodation, eastern, and distal margin of the Western...
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Journal Article
Journal: Geology
Published: 01 March 2007
Geology (2007) 35 (3): 211-214.
... appearance of a tropical sea-surface cooling trend. This implies that the long-term Eocene climatic cooling trend occurred mainly at the poles and had little effect at lower latitudes. The sea-surface temperature (SST) gradient from the equator to the poles defines Earth's broad climatic belts. Whereas...
FIGURES
Journal Article
Published: 01 May 2014
Journal of Sedimentary Research (2014) 84 (5): 349-372.
...-thread ( Equation 1a ; Bridge and Mackey 1993 ) or fully braided ( Equation 1b ; Leopold and Maddock 1953 ) channel systems (see Hampson et al. 2013 ). Channel-belt width (w cb ) can also be estimated according to Equations 2a and 2b from Bridge and Mackey (1993) . Both channel and belt width can...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1985
AAPG Bulletin (1985) 69 (11): 1963-1981.
... of thrusting toward the east. The southern and northern continuations of the channel are predicted to occur in the Foothills disturbed belt ( Figure 1 , inset) to the southwest, at shallow depths or at the surface. Unfortunately, little or no outcrop exists in the predicted areas. Figure 16...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1980
AAPG Bulletin (1980) 64 (3): 316-338.
...Dudley D. Rice Abstract Depositional environments of the Upper Cretaceous Eagle Sandstone were studied at outcrops along the Missouri River and its southern tributaries from the town of Virgelle southeastward to the mouth of the Judith River in north-central Montana. In this area, the Eagle...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1959
AAPG Bulletin (1959) 43 (8): 1896-1939.
...Dudley W. Bolyard ABSTRACT Structurally complex Pennsylvanian and Permian strata comprise the bulk of the Sangre de Cristo Range between La Veta Pass and Westcliffe in south-central Colorado. They are at least 14,000 feet thick near Crestone in the northern part of the area, and more than 9,000...
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Journal Article
Journal: GSA Bulletin
Published: 01 May 2007
GSA Bulletin (2007) 119 (5-6): 586-608.
.... The oldest braided channel belt in the northern lower Mississippi valley is the Dudley braid belt (Fig. 3) , which crosscuts the scroll-bar topography of the Rondo meander belt in the southern Western Lowlands (see Figs. 5 and 6 ). Cores indicate that the Dudley braid belt is covered by Peoria Loess (<...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1980
AAPG Bulletin (1980) 64 (7): 969-987.
...Dudley D. Rice; George W. Shurr Abstract Major resources of natural gas are entrapped in low-permeability, low-pressure reservoirs at depths less than 4,000 ft (1,200 m) in the northern Great Plains. This shallow gas is the product of the immature stage of hydrocarbon generation and is referred...
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Journal Article
Published: 01 August 2013
Journal of Sedimentary Research (2013) 83 (8): 704-722.
... point source that tapped a drainage area > 100,000 km 2 . Along-strike sandstone distribution within the units is predictable as the thickest, most amalgamated, and coarsest sandstone deposits are concentrated nearest to the point source. Distal to the point source, isolated channel belts...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 2016
AAPG Bulletin (2016) 100 (9): 1443-1468.
...Shuwei Guan; Joseph M. Stockmeyer; John H. Shaw; Andreas Plesch; Jian Zhang ABSTRACT Accurate definition of structural style in subsurface interpretation is critically important for understanding the deformation history of fold-and-thrust belts, as well as assessing the petroleum prospectivity...
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Series: AAPG Studies in Geology
Published: 01 January 2006
DOI: 10.1306/St571314C8
EISBN: 9781629810393
... during the Holocene highstand in sea level. (b) Sites 29, 38, 41, and 42 cored the channels (high backscatter-white color) and recorded well-graded, poorly sorted sands, typically 10-30 cm thick and varying from fine sand at the base to coarse silt at the top (Fig. 8-3 ). (c) Overlying these deposits...
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Series: Society of Exploration Geophysicists Distinguished Instructor Series
Published: 01 January 2004
DOI: 10.1190/1.9781560801955.ch6
EISBN: 9781560801955
... Gulf of Mexico. Two distinct upfan channel belts (A, B) to the right (north) change downfan to channel-mouth lobes. Also present are the basin margins, a mud volcano, and “slumps.” Location of Figure 6-8 is shown. After Beaubouef et al. (2003) . Reprinted with permission of the Gulf Coast Section...
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Journal Article
Journal: Economic Geology
Published: 01 November 2017
Economic Geology (2017) 112 (7): 1629-1651.
... metamorphic minerals (e.g., actinolite and chlorite). Considering that the Anshan-Benxi high-grade magnetite ores are commonly adjacent to weak structural planes (e.g., faults), we propose that macro- and microscopic fractures probably provided channels for metamorphic fluids. Recent zircon U-Pb geochronology...
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Journal Article
Published: 21 September 2016
Seismological Research Letters (2016) 87 (6): 1442-1452.
...Figure 9. Inferred flow directions during Dudley channelbelt construction, and hypothetical negative flower structure, depicted with barbed ellipse. Location of eastern Reelfoot rift margin extrapolated from Van Arsdale and Cupples (2013) . ...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 2015
AAPG Bulletin (2015) 99 (10): 1929-1956.
...Gabriela I. Keeton; Matthew J. Pranter; Rex D. Cole; Edmund R. (Gus) Gustason ABSTRACT Lithofacies, architectural-element abundance, and estimates of dune-bedform height and channel sinuosity from borehole images (BHIs) and well-exposed outcrops allow for an expanded interpretation of the fluvial...
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Journal Article
Published: 01 June 2006
Bulletin of Canadian Petroleum Geology (2006) 54 (2): 138-151.
... stratification is more continuous than in fluvial or estuarine deposits. Wallace-Dudley et al. (1998) interpreted a maximum flooding surface in the lower part of the Pense Formation. The channel observed at the base of the unit must be below that surface and the overlying shallow-marine Pense deposits...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 2014
AAPG Bulletin (2014) 98 (3): 465-482.
... observations of a southward-increasing gradient in westward-vergent shortening across the fold-and-thrust belt. Figure 13 A channel of the middle to late Miocene that is offset by the central strike-slip fault (top), restored to a conformable geometry (left) and interpreted (right). The restored offset...
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