Geomorphology, Shallow Subbottom Structure, and Sediments of the Atlantic Inner Continental Shelf Off Long Island, New York (Classic Reprint) PDF Download
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Author: S. Jeffress Williams Publisher: Forgotten Books ISBN: 9781527791374 Category : Science Languages : en Pages : 134
Book Description
Excerpt from Geomorphology, Shallow Subbottom Structure, and Sediments of the Atlantic Inner Continental Shelf Off Long Island, New York Photos of apparent varve sediments retrieved in the Orient Point boring drilled into the Orient Point buried Channel. Visual logs for 21 borings on the Atlantic coast showing typical stratigraphic sequences of littoral sands and lagoonal muds. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: S. Jeffress Williams Publisher: Forgotten Books ISBN: 9781527791374 Category : Science Languages : en Pages : 134
Book Description
Excerpt from Geomorphology, Shallow Subbottom Structure, and Sediments of the Atlantic Inner Continental Shelf Off Long Island, New York Photos of apparent varve sediments retrieved in the Orient Point boring drilled into the Orient Point buried Channel. Visual logs for 21 borings on the Atlantic coast showing typical stratigraphic sequences of littoral sands and lagoonal muds. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Kenneth Orris Emery Publisher: Tulsa, Okla. : American Association of Petroleum Geologists ISBN: Category : Oceanography Languages : en Pages : 556
Author: Bruce C. Heezen, Marie Tharp, and Maurice Ewing Publisher: Geological Society of America ISBN: 0813720656 Category : Ocean bottom Languages : en Pages : 165
Author: M. De Batist Publisher: Geological Society of London ISBN: 9781897799710 Category : Science Languages : en Pages : 360
Book Description
This is a presentation of some of the recent research activities and developments in the field of continental shelf geology. The book is organized around four major themes: stratigraphy and sedimentary geology of siliciclastic shelves; modern siliciclastic shelves - architecture, sea level, tectonics and sediment supply; nearshore and coastal environments; and new techniques in continental shelf research.
Author: Angus James Mackay Publisher: ISBN: Category : Continental shelf Languages : en Pages : 236
Book Description
A structure map was constructed of the continental shelf between Cape Blanco and Coos Bay, Oregon, exclusively from an interpretation of approximately 700 km of continuous seismic profiles. At least ten discernible seismic units were mapped on the bases of acoustic appearance, lateral continuity, angular unconformities, and faults. The offshore units tentatively were correlated with onshore geology and are believed to range in age from the latest Jurassic to late Pleistocene. The sparker profiles reveal that the continental shelf off southern Oregon has experienced significant late Tertiary and Quaternary accretion due to deposition and tectonic uplift. The oldest rock exposures, believed to be the latest Jurassic in age, crop out on the inner continental shelf on the topographic highs off Cape Blanco and Coquille Point. Erosional remnants of probable Late Cretaceous turbidites and the middle Eocene sandstone beds also are exposed on the bathymetric high on the inner shelf southwest of Cape Arago. The initial emplacement of these three uplifted structural blocks is probably a result of late Eocene wrench faulting of the Port Orford shear zone and of the postulated shear zone at Coquille Point. No other early Tertiary sediments apparently are exposed on this portion of the Oregon continental shelf, but they probably extend seaward at depth on the continental margin. Middle Tertiary strata are believed to be exposed on the outer shelf topographic high southwest of Cape Arago. Sediments of Miocene to Pliocene age were deposited throughout much of the continental shelf that was surveyed. The greatest amount of deposition occurred in a north-south trending basin between Cape Blanco and Coquille Bank. Late to post-Pliocene tectonism uplifted and exposed the older underlying rocks on the inner shelf, which are probably of uppermost Jurassic to middle Tertiary age. These same stresses also deformed the Mio-Pliocene sediments into gently undulating structures on the inner shelf. The greatest deformation occurred on the outer shelf and formed Coquille Bank, a north-south trending, doubly plunging, asymmetrical anticline. The terraces or benches on the upper continental slope to the north and south of the Bank are structural features resulting from the doubly plunging anticline. Eustatic sea level lowerings during the Pleistocene truncated the shelf structures as deep as 130 m below present sea level. The detritus was deposited as a wedge of sediments, which forms an unconformable contact with the underlying strata on the outer shelf and upper slope between Coos Bay and Coquille Bank. In areas of deposition there is no distinct break between the shelf and the upper slope; the former merely merges into the latter in a continuous convex curve. In areas of nondeposition, the edge of the shelf is an erosional and structural feature. A possible buried channel was detected northwest of the mouth of the Coquille River. This sediment filled channel is believed to be an erosional remnant of a former course of the Coquille River during a lower stand of sea level.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The overarching goal of this research was to advance our understanding of "geologic clutter", acoustic anomalies created by natural sub-seafloor features such as infilled paleochannels, using the continental shelf off New Jersey as a natural laboratory. As part of the ONR Geoclutter initiative, the objectives of this project were as follows: (1) to identify modern Holocene sedimentary processes responsible for the morphology and sedimentological heterogeneity of the seafloor; and (2) to determine the physical basis for seismic discontinuities and associated stratigraphic surfaces in the shallow subbottom. To meet these objectives, coordinated geophysical and geological studies were performed to characterize the sedimentology and stratigraphy at priority Geoclutter sites on the continental shelf. The geological data collected in this study will be used to design signal-processing algorithms that distinguish natural features and man-made targets present at (and just below) the seafloor.
Author: S. Jeffress Williams
Author: S. Jeffress Williams
Author: Elazar Uchupi
Author: Kenneth Orris Emery
Author: Bruce C. Heezen, Marie Tharp, and Maurice Ewing
Author: J. L. Luternauer
Author: 
Author: M. De Batist
Author: Angus James Mackay
Author: Virginia Institute of Marine Science
Author: