Core Data from the Deep Sea Drilling Project

Leg 67, hole 494A
Physiographic feature:	trench
Total penetration (m):	366
# sediment cores:	35
Oldest sediment core:	30
Oldest sediment age:	Maestrichtian
Oldest sediment description:	nanno ooze and claystone
Type of crust:	oceanic
Depth to basement (m):	336
Rock description:	pebbles of andesitic rocks
Other holes at this site:	494
Adjacent sites :	495 497 498 499 500 566 567 569 496 568
Data types available:

age profile	original	delimited
carbon/carbonate	original	delimited
core depth recovery	original	delimited
density-porosity	original	delimited
diatoms	original	delimited	browse
grain size	original	delimited
gamma ray attenuation porosity evaluator	original	delimited
igneous/metamorphic rock major-element chemistry	original	delimited	browse
nannofossils	original	delimited	browse
radiolaria	original	delimited	browse
SCREEN descriptions	original	delimited	browse
site summary information	original	delimited
smearslide descriptions	original	delimited	browse
sonic velocity	original	delimited
visual descriptions	original	delimited	browse
water chemistry (interstitial)	original	delimited
x-ray mineralogy, bulk (WHOI)	original	delimited
x-ray mineralogy, clay fraction (WHOI)	original	delimited

External link to borehole logging data at LDEO

Introduction

Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2