Structural and stratigraphic framework, and spatial distribution of permeability of the Atlantic Coastal Plain, North Carolina to New York

Brown, Philip M.; Miller, James A.; Swain, Frederick M.

doi:10.3133/pp796

Cited by 126 publications

(144 citation statements)

References 34 publications

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“…(Brown and Oliver, 1976). This oceanward increase in subsidence correlates in general with an oceanward increase in sediment thickness (Murray, 1961;Brown et al, 1972), although the tilt rates are too high to be explained by sediment compaction alone (Brown and Oliver, 1976). Nevertheless, if this tilt is real and not due to geodetic leveling error, it is consistent with most of the tide gauges along this coastline.…”

Section: Geologic Influencesupporting

confidence: 48%

Recent Relative Sea-Level Change in Eastern North America

Braatz¹,

Aubrey²

1987

Sea-Level Fluctuations and Coastal Evolution

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Eigenanalysis of tide-gauge records between 1920 and 1983 in eastern North America reveals highly variable spatial and temporal patterns of relative sea-level change. Auxiliary data from numerical modeling suggest that much of the long wavelength (thousands of km) spatial patterns of sea-level change are due to post-glacial isostatic adjustment of the land surface. Filtering the isostatic component from the rates of relative sea-level movement yields residual rates that fluctuate about a coastal mean of 1.0-1.5 mm/yr during this 64-year time interval. This mean rate is within the range of previous estimates of the mean rate of eustatic rise in sea level during the past century. Some residual fluctuations (wavelengths of tens to hundreds of km) correlate with tilts of the land surface revealed by geodetic leveling transects, and appear to be related to regional geology (i.e., basement structures and tectonic provinces in Florida, Georgia, the Carolinas, and the Chesapeake Bay area; fault reactivation in northern New England and the Maritime Provinces). These results suggest that tide-gauge data can be used to determine neo-tectonic movements along this coastline. Analysis of the temporal patterns of relative sea-level change reveals a gradual increase in the rate of rise centered at about 1934, which may be due to steric expansion of the ocean. Broad peaks in the spectrum of temporal sea-level fluctuations at 3-, 6-, and 20-year periodicities (significant at the 807% level) may be a reflection of oceanographic, atmospheric, and astronomical forcing.

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Section: Geologic Influencesupporting

confidence: 48%

Recent Relative Sea-Level Change in Eastern North America

Braatz¹,

Aubrey²

1987

Sea-Level Fluctuations and Coastal Evolution

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“…Brown et al (1972) and previous authors recognized no Oligocene rocks in the well. Olsson et al (1980) assigned 84 m of silty calcareous clay, glauconitic, quartzose sands, and greensands to the upper and lower Oligocene.…”

Section: Late Oligocene (Unnumbered Sequence) Depositional Historymentioning

confidence: 99%

“…9). Lithic components are chiefly dark greenish gray, calcareous, glauconitic, fossiliferous, slightly lignitic, micaceous clay, interbedded with olive to greenish gray, calcareous lignitic, micaceous, pyritic, glauconitic, sandy silt (Seaber and Vecchioli, 1963;Brown et al, 1972). Microfaunal assemblages indicate middle to outer sublittoral paleoenvironments (100-150 m).…”

Section: Paleocene (Sequence 10) Depositional Historymentioning

confidence: 99%

“…Although stratigraphic, sedimentological, and paleontological studies of the Atlantic Coastal Plain (north of Cape Hatteras) have a long history (e.g., Richards, 1945;Anderson et al, 1948;Murray, 1961;Brown et al, 1972;Olsson, 1964Olsson, , 1970Olsson, , 1975Perry et al, 1975), regional summaries that included the continental shelf were not published until the early 1970s (Maher, 1971;Emery and Uchupi, 1972).…”

Section: Previous Studiesmentioning

confidence: 99%

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The New Jersey Transect: Stratigraphic Framework and Depositional History of a Sediment-Rich Passive Margin

Poag¹

1987

Initial Reports of the Deep Sea Drilling Project

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The results from Leg 95 of the Deep Sea Drilling Project bring to completion a series of geological and geophysical studies along a 700-km transect of the New Jersey continental margin. Integration of outcrop, borehole, and seismic reflection data along this transect has revealed the regional stratigraphic framework and has allowed a comprehensive interpretation of the depositional history of the Baltimore Canyon Trough and the adjacent North American Basin. The depositional sequences documented at the boreholes are extrapolated along the grid of seismic profiles to produce isopach maps.Analyses of these data show that sediment dispersal on the New Jersey margin has been governed in large part by sea-level changes, but modified by temporal changes in shelf-edge physiography, sediment sources, and deposition rates. Notable examples include the buildup of a shelf-edge reefal system during the Late Jurassic; its subsequent burial in the Late Cretaceous, as massive turbidity currents and debris flows reached the lower rise; the appearance of a dual shelf-edge system and widespread carbonate production during the Paleogene; rapid progradation of thick deltaic prisms during the middle Miocene; and deep incision of the shelf edge by submarine canyons during the Pleistocene.Massive downslope gravity flows have dominated both the depositional and erosional history of the New Jersey margin during most of the last 135 m.y. The importance of periodic widespread erosion is recorded by correlative unconformities at the boreholes. These unconformities also correlate well with supercycle boundaries of the Vail depositional model, thereby providing field validation of the supercycle framework of the model.

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“…1-4 Darwinula rogersii (Jones, 1862) JURASSIC(?) AND CRETACEOUS OSTRACODA CHRONOSTRATIGRAPHIC FRAMEWORK A recently completed mapping program presented in a companion report by Brown, Miller, and Swain (1972) provides a chronostratigraphic framework that can be used to describe dis·tribution of the Ostracoda obtained from w·ells and described herein. By means of 36 stratigraphic cross sections, that report presents a detailed analysis of the lithology encountered in the wells from which Ostracoda were re·covered.…”

Section: Introductionmentioning

confidence: 99%