High Resolution Seismic Analysis of the Structure and Morphology of the New Jersey Continental Slope PDF Download
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Author: Laryn Micaela Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Author: Laryn Micaela Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Author: David C. Twichell
Publisher:
ISBN:
Category : Seismic prospecting
Languages : en
Pages : 4
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 548
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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This contract provided support to plan, acquire, and process high resolution multichannel seismic reflection data offshore New Jersey during cruise 270 of the R/V Oceanus. This was part of the STRATAFORM initiative that seeks geologic and geophysical data on the continental terrace at temporal and spatial scales ranging from 0.1 to 100000 yrs and .01 to 1000 m. Our cruise objectives were to collect high resolution reflection images of stratal geometry in the upper 100+ m of the sediment column from the middle shelf to the upper continental slope, and tie these to ODP Leg 150 sites cored and logged in 1993.
Author: Charles A. Nittrouer
Publisher: John Wiley & Sons
ISBN: 0470766360
Category : Science
Languages : en
Pages : 560
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This volume on continental margin sedimentation brings together an expert editorial and contributor team to create a state-of-the-art resource. Taking a global perspective, the book spans a range of timescales and content, ranging from how oceans transport particles, to how thick rock sequences are formed on continental margins. Summarizes and integrates our understanding of sedimentary processes and strata associated with fluvial dispersal systems on continental shelves and slopes Explores timescales ranging from particle transport at one extreme, to deep burial at the other Insights are presented for margins in general, and with focus on a tectonically active margin (northern California) and a passive margin (New Jersey), enabling detailed examination of the intricate relationships between a wide suite of sedimentary processes and their preserved stratigraphy Includes observational studies which document the processes and strata found on particular margins, in addition to numerical models and laboratory experimentation, which provide a quantitative basis for extrapolation in time and space of insights about continental-margin sedimentation Provides a research resource for scientists studying modern and ancient margins, and an educational text for advanced students in sedimentology and stratigraphy
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 3
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Previous work using the Huntec Deep-Towed Seismic (DTS) system off New Jersey (1987) identified a thick sequence of late Pleistocene sediments on the outer continental shelf. It was suggested (Milliman et al., 1990) that these sediments were deposited by several major melt events during the late Wisconsin glaciation. The physical nature of the sediments, their stratigraphic relation with acoustic stratigraphy and the fine-scale variations of both reflectors and topographic character, however, can be defined only through sediment coring and closely spaced high-resolution profiling. The purpose of this project was to obtain a series of vibrocores to determine the stratigraphic and sedimentologic character of the sediments and to obtain digital data that would allow us to gain a three-dimensional understanding of the shallow structure on the sedimentary sequences in the area.
Author: Dennis W. O'Leary
Publisher:
ISBN:
Category : Seismic prospecting
Languages : en
Pages : 6
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Author: Tuce Degirmenci
Publisher:
ISBN:
Category : Continental shelf
Languages : en
Pages : 107
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The Miocene stratigraphic succession on the middle to outer continental shelf off New Jersey, immediately south of the Hudson Canyon, is examined using high-resolution 2D multichannel seismic (MCS) and log data to evaluate sequence stratigraphic models, aided by results of Integrated Ocean Drilling Program (IODP) Expedition 313. High sedimentation, associated with extensive progradation and aggradation, provides a higher resolution record in this region than elsewhere on the shelf. The study of 29 MCS profiles and 4 gamma-ray logs identified and loop-correlated 14 Miocene sequences. Based on log interpretations, highstand systems tracts are associated with most of these 14 sequences; only 3 (sequences A, C, D) exhibit lowstand and transgressive systems tracts. Topset and foreset deposits on the middle to outer continental shelf are thicker than those on the inner shelf due to pronounced aggradation and progradation. This pattern is attributed to middle to late Miocene deltaic progradation and migration combined with sediment compaction and loading that created the accommodation space for these especially thick shallow-marine deposits. Seismic profiles provide a means of anticipating sedimentary facies based on the vertical and lateral arrangement of reflectors within sequences, even in the absence of geologic samples and wireline log measurements. This study evaluates models of sequence stratigraphic evolution by utilizing high sedimentation rates, gamma-ray logs and seismic profiles available in this area. Sequence A shows the importance of drill site data. Using cores and logs, IODP Exp313 showed the maximum flooding surface is the first major downlap surface within sequence A, implying this interval is dominated by thick highstand deposits. By contrast, the widely cited Exxon model predicts that this and all sequences have thick lowstand units containing multiple flooding surfaces, overlain by comparatively thin highstand deposits. Furthermore, the present study showed not all sequences are alike. Shell-632 gamma-ray data reveals thick lowstand and transgressive strata in sequence D, and thin highstand strata consistent with the Exxon model. In contrast, many other sequences examined here have thin lowstand and transgressive systems tracts either below seismic resolution or absent, and thick highstand systems tracts that agree with the model built on Expedition 313 studies.
Author: Michael Z. Li
Publisher: John Wiley & Sons
ISBN: 144435082X
Category : Science
Languages : en
Pages : 442
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Book Description
The application of multibeam and sediment transport measurement technologies and the adoption of multi-faceted research methodologies have greatly advanced our understanding of the sedimentary processes on continental shelves in the last decade. This book uniquely blends cutting-edge research and state-of-the art review articles that take stock of new advances in multibeam mapping and sediment transport technologies, spatial analysis and modelling, and the applications of these advances to the understanding of shelf sediments, morphodynamics, and sedimentary processes. Case studies are also presented to illustrate the utilization of seabed property and process knowledge in habitat mapping and ocean management With its mix of papers focusing on technological advances, integration of shelf morphology and processes, and the application of these advances to coastal and ocean management, this Special Publication volume will serve as a milestone reference for professional marine scientists and as advanced text for students in marine geology, sedimentology and oceanography. This book is part of the International Association of Sedimentologists (IAS) Special Publications. The Special Publications from the IAS are a set of thematic volumes edited by specialists on subjects of central interest to sedimentologists. Papers are reviewed and printed to the same high standards as those published in the journal Sedimentology and several of these volumes have become standard works of reference.
Author: Nicole D. Scott
Publisher:
ISBN:
Category : Continental slopes
Languages : en
Pages : 122
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