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SPATULA SIGNED

Sensitive, spatially resolved U-Th dating approach using LA-ICPMS

Total Cost €

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EC-Contrib. €

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Partnership

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 SPATULA project word cloud

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

geochim    wu    ages    tephra    dates    volcaican    conducting    designs    lateral    milli    er    evolution    acta    spectrometry    geomagnetics    shen    training    significantly    eruption    laser    reported    800    employs    precision    procedure    until    assignments    environmental    domain    mc    2012    archaeology    interface    spatula    he    plusmn    resolution    consuming    correction    strategy    protocol    rare    stalagmite    mm    last    sensitive    et    anlaysis    100s    sensitivity    dating    time    al    mass    biotic    coupled    thousand    icpms    profiles    situ    diverse    permil    sparsely    ablation    micro    2018    plasma    spectrometric    errors    outputs    researcher    chemicals    young    sigma    age    firm    inductively    scanning    exploited    earth    discrete    configuration    thermal    rapid    reconstruct    requiring    geological    samples    mu       solution    anal    containing    sampling    reduce    overcome    contemporary    cosmochim    timing    few    collector    preparation    ionization    setup    skills    restricted    broadly    essentially    carbonate    chemical    materials    serve    tims    separation    chim    nowadays    la       kyrs    kyr    hazardous    jet    oceanograpgy    strengths   

Project "SPATULA" data sheet

The following table provides information about the project.

Coordinator
EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH 

Organization address
address: Raemistrasse 101
city: ZUERICH
postcode: 8092
website: https://www.ethz.ch/de.html

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 Switzerland [CH]
 Total cost 203˙149 €
 EC max contribution 203˙149 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2019
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-06-01   to  2022-05-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH CH (ZUERICH) coordinator 203˙149.00

Map

 Project objective

The U-Th dating system is broadly exploited to determine the timing and process of Earth’s geological, environmental, and biotic evolution for materials as young as few years to over the last 800 thousand years (kyrs). Contemporary solution phase U-Th dating protocol using thermal ionization mass spectrometry (TIMS) or multi collector-inductively coupled plasma mass spectrometric (MC-ICPMS) can provide high precision dates with errors of ±1-4‰ (2σ) on ages from 5 to 100s kyr; however, it still restricted by the discrete milli-domain (mm) sampling strategy and the time-consuming chemical preparation procedure. Laser ablation-inductively coupled plasma mass spectrometric (LA-ICPMS) could serve the strengths of rapid, in-situ, and high lateral scanning to U-Th dating. Until nowadays laser U-Th dating approach is sparsely reported due to its reduced sensitivity and precision. Here the experience researcher (ER) designs and employs methods by means of a solution-based correction strategy with a jet-interface setup. This new configuration could essentially reduce the uncertainties and enhance the sensitivity significantly. Based on the ER's previous training, he has firm knowledge and skills in conducting high precision carbonate U-Th dating protocol using MC-ICPMS (Shen, Wu et al., Geochim. Cosmochim. Acta, 2012), and the anlaysis of rare earth elements using LA-ICPMS (Wu et al., Anal. Chim. Acta, 2018). The expected outputs of this SPATULA project are: 1) improve the resolution of age assignments from the milli-domain (mm) to micro-domain (μm). 2) provide in situ analysis using LA-ICPMS to overcome time-consuming element separation processes requiring hazardous chemicals. 3) apply this μm-domain laser U-Th dating approach to tephra-containing stalagmite samples, to reconstruct high resolution volcaican eruption profiles. This sensitive, spatially U-Th dating approach, has the potential to be applied to diverse fields such as oceanograpgy, geomagnetics, and archaeology.

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