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Open-File Report 2014–1227

Core Data From Offshore Puerto Rico and the U.S. Virgin Islands

By Shannon K. Hoy, Jason D. Chaytor, and Uri S. ten Brink

Thumbnail of and link to report PDF (10.4 MB)Abstract

In 2008, as a collaborative effort between Woods Hole Oceanographic Institution and the U.S. Geological Survey, 20 giant gravity cores were collected from areas surrounding Puerto Rico and the U.S. Virgin Islands. The regions sampled have had many large earthquake and landslide events, some of which are believed to have triggered tsunamis. The objective of this coring cruise, carried out aboard the National Oceanic and Atmospheric Administration research vessel Seward Johnson, was to determine the age of several substantial slope failures and seismite layers near Puerto Rico in an effort to map their temporal distribution. Data gathered from the cores collected in 2008 and 11 archive cores from the Lamont-Doherty Earth Observatory are included in this report. These data include lithologic logs, core summary sheets, x-ray fluorescence, wet-bulk density, magnetic susceptibility, grain-size analyses, radiographs, and radiocarbon age dates.

First posted November 21, 2014

For additional information, contact:
Director, Woods Hole Coastal and Marine Science Center
U.S. Geological Survey
384 Woods Hole Road
Quissett Campus
Woods Hole, MA 02543
http://woodshole.er.usgs.gov/

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Suggested citation:

Hoy, S.K., Chaytor, J.D., and ten Brink, U.S., 2014, Core data from offshore Puerto Rico and the U.S. Virgin Islands: U.S. Geological Survey Open-File Report 2014–1227, https://dx.doi.org/10.3133/ofr20141227.

ISSN 2331–1258 (online)



Contents

Abstract

Introduction

Methods

Data Catalog

Acknowledgments

References Cited


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