Diatom abundance in ODP Leg 178 holes

This paper documents the biostratigraphic distribution and abundance of diatoms from sites drilled during Ocean Drilling Program Leg 178, off the Pacific margin of the Antarctic Peninsula. Drift sediments cored on the continental rise at Sites 1095, 1096, and 1101 have good recovery and a well-defin...

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Bibliographic Details
Main Authors: Winter, Diane M, Iwai, Masao
Format: Dataset
Language:English
Published: PANGAEA 2002
Subjects:
178-1095A
178-1095B
178-1095C
178-1095D
178-1096A
178-1096B
178-1096C
178-1101A
DRILL
Drilling/drill rig
Joides Resolution
Leg178
Ocean Drilling Program
ODP
South Pacific Ocean
Antarctic
Southern Ocean
The Antarctic
Antarctic Peninsula
Pacific
Antarc*
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.737659
https://doi.org/10.1594/PANGAEA.737659
Description
Summary:This paper documents the biostratigraphic distribution and abundance of diatoms from sites drilled during Ocean Drilling Program Leg 178, off the Pacific margin of the Antarctic Peninsula. Drift sediments cored on the continental rise at Sites 1095, 1096, and 1101 have good recovery and a well-defined paleomagnetic record. Well-preserved diatoms are present throughout the upper Miocene to middle Pliocene and in the upper Quaternary section of these sites. The stratigraphic occurrence of diatom species through these intervals defines numerous datum levels. Diatom events are given absolute age estimates through direct correlation to the established paleomagnetic stratigraphy of Sites 1095, 1096, and 1101. Leg 178 diatom biostratigraphic results enable the development of a regional stratigraphic framework for the Pacific sector of the Southern Ocean and record the interaction of open-ocean and shelf-margin diatom floras.

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