Geological observations from a submersible dive on the western continental slope of the Armorican Massif

Y. Mart; G. A. Auffret; J. M. Auzende; L. Pastouret

doi:10.1016/0025-3227(79)90033-1

Geological observations from a submersible dive on the western continental slope of the Armorican Massif

Y. Mart, G. A. Auffret, J. M. Auzende, L. Pastouret

Research output: Contribution to journal › Article › peer-review

Abstract

Observations of the first deep dive on the European Atlantic continental margin are reported. The dive was carried out with the submersible "Cyana" down to a depth of 2650 m on the Armorican margin. A sedimentary sequence of chalk and marl, presumably of Tertiary age, was surveyed, and several recently activated faults were encountered. These faults indicate the subsidence of the floor of the Biscay Abyssal Plain, probably due to the cooling of the underlying crust as well as to the accumulation of sediments.

Original language	English
Pages (from-to)	M61-M68
Journal	Marine Geology
Volume	31
Issue number	3-4
DOIs	https://doi.org/10.1016/0025-3227(79)90033-1
State	Published - May 1979
Externally published	Yes

ASJC Scopus subject areas

Oceanography
Geology
Geochemistry and Petrology

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abstract = "Observations of the first deep dive on the European Atlantic continental margin are reported. The dive was carried out with the submersible {"}Cyana{"} down to a depth of 2650 m on the Armorican margin. A sedimentary sequence of chalk and marl, presumably of Tertiary age, was surveyed, and several recently activated faults were encountered. These faults indicate the subsidence of the floor of the Biscay Abyssal Plain, probably due to the cooling of the underlying crust as well as to the accumulation of sediments.",

author = "Y. Mart and Auffret, {G. A.} and Auzende, {J. M.} and L. Pastouret",

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AU - Mart, Y.

AU - Auffret, G. A.

AU - Auzende, J. M.

AU - Pastouret, L.

PY - 1979/5

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N2 - Observations of the first deep dive on the European Atlantic continental margin are reported. The dive was carried out with the submersible "Cyana" down to a depth of 2650 m on the Armorican margin. A sedimentary sequence of chalk and marl, presumably of Tertiary age, was surveyed, and several recently activated faults were encountered. These faults indicate the subsidence of the floor of the Biscay Abyssal Plain, probably due to the cooling of the underlying crust as well as to the accumulation of sediments.

AB - Observations of the first deep dive on the European Atlantic continental margin are reported. The dive was carried out with the submersible "Cyana" down to a depth of 2650 m on the Armorican margin. A sedimentary sequence of chalk and marl, presumably of Tertiary age, was surveyed, and several recently activated faults were encountered. These faults indicate the subsidence of the floor of the Biscay Abyssal Plain, probably due to the cooling of the underlying crust as well as to the accumulation of sediments.

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JO - Marine Geology

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IS - 3-4

ER -

Geological observations from a submersible dive on the western continental slope of the Armorican Massif

Abstract

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