Eocene-Oligocene sea-level changes on the New Jersey coastal plain linked to the deep-sea record

Kenneth G. Miller; Dennis V. Kent; Andrew N. Brower; Laurel M. Bybell; Mark D. Feigenson; Richard K. Olsson; Richard Z. Poore

doi:10.1130/0016-7606(1990)102%3C0331:EOSLCO%3E2.3.CO;2

Eocene-Oligocene sea-level changes on the New Jersey coastal plain linked to the deep-sea record

GSA Bulletin

By: Kenneth G. Miller, Dennis V. Kent, Andrew N. Brower, Laurel M. Bybell, Mark D. Feigenson, Richard K. Olsson, and Richard Z. Poore

https://doi.org/10.1130/0016-7606(1990)102%3C0331:EOSLCO%3E2.3.CO;2

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Abstract

We use magnetostratigraphy and Sr-isotope stratigraphy to improve stratigraphic control for the Eocene to Oligocene of the New Jersey coastal plain (ACGS4 borehole). Magnetostratigraphy in many cases is complicated in outcrop sections of shallow-water (<200 m paleodepth) sediments by low remanence and weathering; we minimize these problems by analyzing large samples obtained from the ACGS4 borehole and construct a firm magnetochronology for the early to middle Eocene. Sr-isotope stratigraphy confirms biostratigraphic evidence for a previously unknown uppermost Eocene to lowermost Oligocene unit and delineates a "middle" Oligocene hiatus that is unresolvabie using biostratigraphy alone. We recognize hiatuses and associated unconformities on the New Jersey margin near the lower Eocene/middle Eocene boundary, within the middle Eocene, and in the "middle" Oligocene and correlate these events with similar hiatuses observed in other continental-shelf, slope, and epicontinental settings. In addition, a hiatus probably occurred near the middle Eocene/upper Eocene boundary. We conclude that the interregional distribution of these Eocene-Oligocene hiatuses indicates a global cause: eustatic change.

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Additional publication details
Publication type	Article
Publication Subtype	Journal Article
Title	Eocene-Oligocene sea-level changes on the New Jersey coastal plain linked to the deep-sea record
Series title	GSA Bulletin
DOI	10.1130/0016-7606(1990)102%3C0331:EOSLCO%3E2.3.CO;2
Volume	102
Issue	34
Year Published	1990
Language	English
Publisher	Geological Society of America
Contributing office(s)	Eastern Geology and Paleoclimate Science Center, St. Petersburg Coastal and Marine Science Center
Description	9 p.
First page	331
Last page	339
Country	United States
State	New Jersey
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