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IODP Expedition 399 Portable X-ray fluorescence (p-XRF)
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IODP Expedition 399 Portable X-ray fluorescence (p-XRF)

Susan Q. Lang, Andrew McCaig, Peter Blum, Natsue Abe, William Brazelton, Rémi Coltat, Jeremy R. Deans, Kristin L. Dickerson, Marguerite Godard, Barbara E. John, …
International Ocean Discovery Program
05/03/2025
DOI: 10.5281/zenodo.15499272
url
https://doi.org/10.5281/zenodo.15499272View
Open Access

Abstract

Energy-Dispersive X-Ray Fluorescence (ED-XRF) is a rapid, non-destructive technique for determining qualitative and quantitative changes in chemical composition. Aboard the JOIDES Resolution, pXRF is used for measuring points on section halves, rock pieces, and sometimes powders. Spots are typically irradiated at multiple conditions to excite and measure a wide range of elements. The peak intensity changes (we do not provide concentrations) are then used to help recognize and define major chemo-stratigraphic units without the need for destructive sampling.
Atlantis Massif deep biosphere detachment fault Expedition 399 International Ocean Discovery Program IODP JOIDES Resolution Lost City hydrothermal field peridotite mantle serpentinization Site U1309 Site U1601

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