R/V Endeavor cruise EN-024. Seabed Disposal Program: North Atlantic study area MPG-III 35/sup 0/30'N 61/sup 0/00'W, June 30--July 11, 1978. Final report

During 7 days in the vicinity of 35/sup 0/30'N, 61/sup 0/00'W (Seabed Disposal Program mid-late, mid-gyre study area MPG-III) we carried out 1830 km of subbottom acoustic profiling and 2 camera lowerings, and took 7 standard piston cores, 3 large diameter piston cores, 9 large diameter gra...

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Bibliographic Details
Main Authors: Heath, G R, Laine, E P
Language:unknown
Published: 2013
Subjects:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
RADIOACTIVE WASTE DISPOSAL
MARINE DISPOSAL
SEA BED
ACOUSTIC MEASUREMENTS
ATLANTIC OCEAN
BATHYMETRY
DRILL CORES
PHYSICAL PROPERTIES
SAMPLING
SEDIMENTS
SEISMIC SURVEYS
GEOPHYSICAL SURVEYS
MANAGEMENT
SEAS
SURFACE WATERS
WASTE DISPOSAL
WASTE MANAGEMENT
Pacific
North Atlantic
Online Access:http://www.osti.gov/servlets/purl/6394388
https://www.osti.gov/biblio/6394388
https://doi.org/10.2172/6394388
Description
Summary:During 7 days in the vicinity of 35/sup 0/30'N, 61/sup 0/00'W (Seabed Disposal Program mid-late, mid-gyre study area MPG-III) we carried out 1830 km of subbottom acoustic profiling and 2 camera lowerings, and took 7 standard piston cores, 3 large diameter piston cores, 9 large diameter gravity cores and 2 dredge hauls of surface sediment. Pore fluids were extracted from 3 gravity cores and 1 piston core and on-board physical property measurements were made on 2 large diameter piston cores and 1 large diameter gravity core. These data and samples will be used to assess the lateral homogeneity and recent geologic history of the area, as well as to compare the sorption and physical barrier properties of the sediments with deposits from the MPG I and II areas in the Pacific.

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