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EURO-LAB SIGNED

Experiment to Unearth the Rheological Oceanic Lithosphere-Asthenosphere Boundary

Total Cost €

0

EC-Contrib. €

0

Partnership

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 EURO-LAB project word cloud

Explore the words cloud of the EURO-LAB project. It provides you a very rough idea of what is the project "EURO-LAB" about.

weaker    implications    geochemical    estimate    ideal    pacific    oceans    juncture    remoteness    proved    lithospheric    instrumentation    mechanical    hazard    forces    science    plate    rigid    mantle    instruments    birth    lab    difficulties    beneath    tectonic    interdisciplinary    plates    rocks    provides    additional    reached    seismometers    seafloor    planet    consensus    nature    nearly    ridge    driving    proxies    rheological    magnetotelluric    deploy    efforts    asthenosphere    launched    ocean    imaging    earth    atlantic    tenet    oceanic    physical    mitigation    techniques    climate    mt    history    geological    image    chemical    effort    like    lithosphere    questions    weakens    date    evolution    resolution    observations    tectonics    suggested    geophysical    obs    indirect    definition    fundamental    systematically    dynamics    melt    scales    laterally    understand    base    natural    sensitivities    temperature    critical    boundary    transition    effect    composition    location    remote    strength   

Project "EURO-LAB" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY OF SOUTHAMPTON 

Organization address
address: Highfield
city: SOUTHAMPTON
postcode: SO17 1BJ
website: http://www.southampton.ac.uk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 1˙827˙855 €
 EC max contribution 1˙827˙855 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2021-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY OF SOUTHAMPTON UK (SOUTHAMPTON) coordinator 1˙827˙855.00

Map

 Project objective

Plate tectonics has been a fundamental tenet of Earth Science for nearly 50 years, but fundamental questions remain, such as where is the base of the plate and what makes a plate, “plate-like?” A better understanding of the transition from the rigid lithospheric plate to the weaker mantle beneath – the rheological lithosphere-asthenosphere boundary (LAB) - has important implications for the driving forces of plate tectonics, natural hazard mitigation, mantle dynamics, the evolution of the planet, and climate change. There are many proxies used to estimate the depth and nature of the base of tectonic plates, but to date no consensus has been reached. For example, temperature is known to have a strong effect on the mechanical behaviour of rocks. However, it has also been suggested that the chemical composition of the plate provides additional strength or that melt weakens the mantle beneath the plate.

We are at a critical juncture where large-scale efforts using geophysical, geochemical, and geological techniques are being launched to better understand the definition of the tectonic plate. The simple and short history of the ocean plate makes it the ideal location to advance our understanding. However, imaging the oceanic LAB has proved challenging given the remoteness of the oceans and associated difficulties in instrumentation. Most observations come from only one ocean, the Pacific, from indirect, remote observations, at different areas and scales.

I propose a large-scale effort to systematically image an oceanic plate beneath the Atlantic from birth at ridge to 40 My old seafloor. I will deploy ocean bottom seismometers (OBS) and magnetotelluric (MT) instruments, and I will image the plate at a range of resolution scales (laterally and in depth) and sensitivities to physical and chemical properties. This large, focused, interdisciplinary effort will finally determine the processes and properties that make a plate strong and define it.

 Publications

year authors and title journal last update
List of publications.
2018 Catherine A. Rychert, Nicholas Harmon, Saikiran Tharimena
Scattered wave imaging of the oceanic plate in Cascadia
published pages: eaao1908, ISSN: 2375-2548, DOI: 10.1126/sciadv.aao1908
Science Advances 4/2 2019-05-06
2018 Catherine A. Rychert, Nick Harmon, Saikiran Tharimena
Seismic Imaging of the Base of the Ocean Plates
published pages: 71-87, ISSN: , DOI: 10.1002/9781119249740.ch4
Lithospheric Discontinuities, AGU monograph 2019-05-06
2018 Catherine A. Rychert, Nicholas Harmon, John J. Armitage
Seismic Imaging of Thickened Lithosphere Resulting From Plume Pulsing Beneath Iceland
published pages: 1789-1799, ISSN: 1525-2027, DOI: 10.1029/2018GC007501
Geochemistry, Geophysics, Geosystems 19/6 2019-05-06
2018 Catherine A. Rychert, Nick Harmon
Predictions and Observations for the Oceanic Lithosphere From S -to- P Receiver Functions and SS Precursors
published pages: 5398-5406, ISSN: 0094-8276, DOI: 10.1029/2018GL077675
Geophysical Research Letters 45/11 2019-05-06
2018 Aude Lavayssière, Catherine Rychert, Nicholas Harmon, Derek Keir, James O. S. Hammond, J.-Michael Kendall, Cécile Doubre, Sylvie Leroy
Imaging Lithospheric Discontinuities Beneath the Northern East African Rift Using S -to- P Receiver Functions
published pages: 4048-4062, ISSN: 1525-2027, DOI: 10.1029/2018GC007463
Geochemistry, Geophysics, Geosystems 19/10 2019-05-06

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