Oligocene diatom biostratigraphy for the Labrador Sea

The Oligocene diatom assemblage observed in samples from Hole 647A consists of a mixture of species characteristic of the low latitudes, the high southern latitudes, and the Norwegian-Greenland Sea. This diverse and well-preserved diatom assemblage allows a diatom stratigraphy to be established for...

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Bibliographic Details
Main Authors: Baldauf, Jack G, Monjanel, Anne-Lise
Format: Other/Unknown Material
Language:English
Published: PANGAEA 1989
Subjects:
105-647A
12-112
Deep Sea Drilling Project
DRILL
Drilling/drill rig
DSDP
Glomar Challenger
Joides Resolution
Leg105
Leg12
North Atlantic Ocean
Ocean Drilling Program
ODP
Greenland
Greenland Sea
Labrador Sea
North Atlantic
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.745250
https://doi.org/10.1594/PANGAEA.745250
Description
Summary:The Oligocene diatom assemblage observed in samples from Hole 647A consists of a mixture of species characteristic of the low latitudes, the high southern latitudes, and the Norwegian-Greenland Sea. This diverse and well-preserved diatom assemblage allows a diatom stratigraphy to be established for the Labrador Sea and to be correlated with previously established diatom zonations. Changes in the composition of the diatom assemblage from warm-temperate to temperate species suggest a change in oceanographic conditions in the Labrador Sea during the early Oligocene.

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