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Data report: x-ray fluorescence scanning of sediment cores, IODP Expedition 390/393 Site U1556, South Atlantic Transect

Data report: x-ray fluorescence scanning of sediment cores, IODP Expedition 390/393 Site U1556, South Atlantic Transect
Data report: x-ray fluorescence scanning of sediment cores, IODP Expedition 390/393 Site U1556, South Atlantic Transect
International Ocean Discovery Program (IODP) Site U1556, located on a basement high above Site U1557, is one of the oldest sites drilled on the South Atlantic Transect with a basement age of ~61 Ma. Here, we present semiquantitative X-ray fluorescence core scan data from the Site U1556 splice and compare them with shipboard magnetic susceptibility and natural gamma ray (NGR) measurements to characterize elemental composition changes downcore. Elements primarily associated with detrital (e.g., Al, Fe, K, Ti, and Zr) and biogenic (e.g., Ca) sources are inversely correlated. Biogenic and detrital sourced elements vary synchronously with magnetic susceptibility and NGR measurements following alternations between silty clay and calcareous nannofossil ooze/chalk in Unit I, whereas biogenic sourced elements tend to dominate Unit II, corresponding to a lithology change to predominantly calcareous nannofossil ooze/chalk.
Eocene, Expedition 390, Expedition 390C, Expedition 393, Expedition 395E, IODP, International Ocean Discovery Program, JOIDES Resolution, Mid-Atlantic Ridge, Miocene, Oligocene, Paleocene, Pleistocene, Pliocene, Site U1556, South Atlantic Transect, X-ray fluorescence core scanning, XRF
International Ocean Discovery Program
Coggon, R.M.
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Teagle, D.A.H.
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Sylvan, J.B.
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Reece, J.
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Estes, E.R.
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Williams, T.J.
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Christeson, G.L.
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Wang, Yi
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Amadori, Chiara
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Borrelli, Chiara
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Guertin, Laura
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Hertzberg, Jennifer
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Kaplan, Michael R.
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Koorapati, Ravi Kiran
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Lam, Adriane R.
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Lowery, Christopher M.
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McIntyre, Andrew
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Robustelli Test, Claudio
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Routledge, Claire M.
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Standring, Patricia
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Thompson, Mary
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Villa, Alexandra
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Wee, Shu Ying
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Yeon, Jesse
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and the Expedition 390/393 Scientists
Coggon, R.M.
77cc6963-a3a3-4fe1-b4e1-70b9e6df1a10
Teagle, D.A.H.
396539c5-acbe-4dfa-bb9b-94af878fe286
Sylvan, J.B.
c8e01f6d-0260-444e-8f3b-97d9d069be14
Reece, J.
55cfdf1f-5561-4e76-a2ff-7c7453b5ad50
Estes, E.R.
2f8c838b-9372-4b34-bb80-a7efa508c82c
Williams, T.J.
6d85fc68-c1db-45fc-9bd9-0293d2c90a23
Christeson, G.L.
872926c3-b29b-43f7-9ab3-97eaf9f5da40
Wang, Yi
59803518-6a5d-4732-b68d-4d17d13ac482
Amadori, Chiara
d719336a-0149-4f03-831d-f5818bf2b889
Borrelli, Chiara
ab9e7a48-4a10-470b-9e16-567d24e56907
Guertin, Laura
1740b1ea-1c62-4cf0-8bb7-e2b46cb8cc89
Hertzberg, Jennifer
596c8ba4-f837-4268-8e13-cdb4d69c9529
Kaplan, Michael R.
7ddc7f9b-e9d2-4e54-ab98-7bfc0dea2468
Koorapati, Ravi Kiran
0b500310-89d9-4b27-9c29-a41271546929
Lam, Adriane R.
acbe6c81-4b39-4267-a1fe-45a16661695e
Lowery, Christopher M.
4fa3eee4-5dca-462b-ab99-58dc088e053a
McIntyre, Andrew
dd4b95e2-0dc1-4382-9bbc-aab688f62f1f
Robustelli Test, Claudio
460d251f-14cb-4acc-a9e7-8a47b5233fad
Routledge, Claire M.
95e1b743-7c0d-494e-a798-aa1501d69258
Standring, Patricia
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Thompson, Mary
dff46e8a-378f-47db-b9d8-4199339b289c
Villa, Alexandra
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Wee, Shu Ying
718619da-a365-45f0-a281-e5434fd37e26
Yeon, Jesse
7f5acbd5-61be-4d2d-aa76-f1fca1d9bdd4

Coggon, R.M., Teagle, D.A.H., Sylvan, J.B., Reece, J., Estes, E.R., Williams, T.J. and Christeson, G.L. , and the Expedition 390/393 Scientists (2024) Data report: x-ray fluorescence scanning of sediment cores, IODP Expedition 390/393 Site U1556, South Atlantic Transect (Proceedings of the International Ocean Discovery Program, 390-393) International Ocean Discovery Program 8pp. (doi:10.14379/iodp.proc.390393.206.2024).

Record type: Monograph (Project Report)

Abstract

International Ocean Discovery Program (IODP) Site U1556, located on a basement high above Site U1557, is one of the oldest sites drilled on the South Atlantic Transect with a basement age of ~61 Ma. Here, we present semiquantitative X-ray fluorescence core scan data from the Site U1556 splice and compare them with shipboard magnetic susceptibility and natural gamma ray (NGR) measurements to characterize elemental composition changes downcore. Elements primarily associated with detrital (e.g., Al, Fe, K, Ti, and Zr) and biogenic (e.g., Ca) sources are inversely correlated. Biogenic and detrital sourced elements vary synchronously with magnetic susceptibility and NGR measurements following alternations between silty clay and calcareous nannofossil ooze/chalk in Unit I, whereas biogenic sourced elements tend to dominate Unit II, corresponding to a lithology change to predominantly calcareous nannofossil ooze/chalk.

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Accepted/In Press date: 9 January 2024
Published date: 18 April 2024
Keywords: Eocene, Expedition 390, Expedition 390C, Expedition 393, Expedition 395E, IODP, International Ocean Discovery Program, JOIDES Resolution, Mid-Atlantic Ridge, Miocene, Oligocene, Paleocene, Pleistocene, Pliocene, Site U1556, South Atlantic Transect, X-ray fluorescence core scanning, XRF
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Identifiers

Local EPrints ID: 493998
URI: http://eprints.soton.ac.uk/id/eprint/493998
DOI: doi:10.14379/iodp.proc.390393.206.2024
PURE UUID: 62f60176-88b0-46f4-9946-f5235f82e271
ORCID for D.A.H. Teagle: ORCID iD orcid.org/0000-0002-4416-8409

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Date deposited: 19 Sep 2024 16:42
Last modified: 24 Sep 2024 01:36

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Contributors

Author: R.M. Coggon
Author: D.A.H. Teagle ORCID iD
Author: J.B. Sylvan
Author: J. Reece
Author: E.R. Estes
Author: T.J. Williams
Author: G.L. Christeson
Author: Yi Wang
Author: Chiara Amadori
Author: Chiara Borrelli
Author: Laura Guertin
Author: Jennifer Hertzberg
Author: Michael R. Kaplan
Author: Ravi Kiran Koorapati
Author: Adriane R. Lam
Author: Christopher M. Lowery
Author: Andrew McIntyre
Author: Claudio Robustelli Test
Author: Claire M. Routledge
Author: Patricia Standring
Author: Mary Thompson
Author: Alexandra Villa
Author: Shu Ying Wee
Author: Jesse Yeon
Corporate Author: and the Expedition 390/393 Scientists

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