Geochemie, Mineralogie, Petrologie: Recent submissions
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Beam‐induced redox chemistry in iron oxide nanoparticle dispersions at ESRF–EBS
(Journal of Synchrotron Radiation, 2023-01-13)The storage ring upgrade of the European Synchrotron Radiation Facility makes ESRF–EBS the most brilliant high‐energy fourth‐generation light source, enabling in situ studies with unprecedented time resolution. While ... -
Temperature Calibration of Elevated Mg/Ca in Planktic Foraminifera Shells From the Hypersaline Gulf of Aqaba
; ; ; ; ; ; ; (Geochemistry, Geophysics, Geosystems, 2023-07-10)
Abstract The Mg/Ca of marine calcareous Planktic Foraminifera (PF) shells is commonly used for ...
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Machine learning for scattering data: strategies, perspectives and applications to surface scattering
(Journal of Applied Crystallography, 2023-01-24)Machine learning (ML) has received enormous attention in science and beyond. Discussed here are the status, opportunities, challenges and limitations of ML as applied to X‐ray and neutron scattering techniques, with an ... -
Automatic bad‐pixel mask maker for X‐ray pixel detectors with application to serial crystallography
(Journal of Applied Crystallography, 2022-11-21)X‐ray crystallography has witnessed a massive development over the past decade, driven by large increases in the intensity and brightness of X‐ray sources and enabled by employing high‐frame‐rate X‐ray detectors. The ... -
Interspinifex Ni sulfide ore from Victor South-McLeay, Kambalda, Western Australia
; ; (Mineralium Deposita, 2020-05-06)
Spinifex-textured olivine plates hosted in sulfides are usually named “interspinifex ore” in komatiite-hosted sulfide deposits. This ore type is rare but provides important genetic information on sulfide deposits, komatiite ... -
Deuterium Content and Site Occupancy in Iron Sulfide at High Pressure and Temperature Determined Using In Situ Neutron Diffraction Measurements
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Abstract We have performed in situ time‐of‐flight neutron diffraction experiments to examine the ...
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Extending MIEZE spectroscopy towards thermal wavelengths
(Journal of Applied Crystallography, 2022-10-27)A modulation of intensity with zero effort (MIEZE) setup is proposed for high‐resolution neutron spectroscopy at momentum transfers up to 3 Å−1, energy transfers up to 20 meV and an energy resolution in the ... -
Growth of kyanite and Fe‐Mg chloritoid in Fe2O3‐rich high‐pressure–low‐temperature metapelites and metapsammites: A case study from the Massa Unit (Alpi Apuane, Italy)
; ; (Journal of Metamorphic Geology, 2023-07-18)
Abstract Chloritoid and kyanite coexist in metapelites from the high‐pressure/low‐temperature ...
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Riparian Microtopography Affects Event‐Driven Stream DOC Concentrations and DOM Quality in a Forested Headwater Catchment
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The transport of dissolved organic carbon (DOC) from the soils to inland waters plays an important role in the global carbon cycle. Widespread increases in DOC concentrations have been observed in surface waters over the ... -
Non-invasive detection and localization of microplastic particles in a sandy sediment by complementary neutron and X-ray tomography
; ; ; (Journal of Soils and Sediments, 2021-01-27)
Purpose: Microplastics have become a ubiquitous pollutant in marine, terrestrial and freshwater systems that seriously affects aquatic and terrestrial ecosystems. Common methods for analysing microplastic ... -
The soft X‐ray and XUV split‐and‐delay unit at beamlines FL23/24 at FLASH2
(Journal of Synchrotron Radiation, 2023-02-15)A split‐and‐delay unit for the extreme ultraviolet and soft X‐ray spectral regions has been built which enables time‐resolved experiments at beamlines FL23 and FL24 at the Free‐electron LASer in Hamburg (FLASH). Geometric ... -
Key parameters of volcanic tuffs used as building stone: a statistical approach
; ; ; (Environmental Earth Sciences, 2021-12-08)
Volcanic tuffs naturally show a strong heterogeneity in their petrography and petrophysical properties. The arrangement of the components in tuffs can create a very wide spectrum of porosities and fabrics, which in turn ... -
XDSGUI: a graphical user interface for XDS, SHELX and ARCIMBOLDO
(Journal of Applied Crystallography, 2023-09-05)XDSGUI is a lightweight graphical user interface (GUI) for theXDS ,SHELX andARCIMBOLDO ... -
Mid‐Infrared Spectroscopy of Feldspars From the Bühl Basalt (Northern Hesse, Germany) Formed Under Reducing Conditions as Terrestrial Analogue of Mercury for MERTIS
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Abstract The MErcury Radiometer and Thermal Infrared Spectrometer instrument onboard the BepiColombo ...
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Pore structure and sorption capacity investigations of Ediacaran and Lower Silurian gas shales from the Upper Yangtze platform, China
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The shale gas potential of Ediacaran and Lower Silurian shales from the Upper Yangtze platform is assessed in this study with a focus on the contributions of clay minerals and organic matter to sorption capacity. For this ... -
Quantification of Impact‐Induced Melt Production in Numerical Modeling Revisited
; ; (Journal of Geophysical Research: Planets, 2022-11-29)
Melting and vaporization of rocks in impact cratering is mostly attributed to be a consequence of shock compression. However, other mechanism such as plastic work and decompression by structural uplift also contribute to ... -
Constraining the process of intracontinental subduction in the Austroalpine Nappes: Implications from petrology and Lu‐Hf geochronology of eclogites
; ; ; ; ; ; (Journal of Metamorphic Geology, 2021-10-06)
Abstract High‐ and ultrahigh‐pressure rocks occur in the Austroalpine Nappes in a ~400 km long ...
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Oxygen Dependent Temperature Regulation of Benthic Fluxes in Reservoirs
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Temperature and dissolved oxygen concentration are critical factors affecting the exchange of solutes between sediment and water; both factors will be affected by warming of lakes and thereby influence water quality. ... -
Coupling of diagenetic alterations and mechanical properties of Lower Permian siliciclastic sandstones: a pilot study
; ; ; ; ; (Environmental Earth Sciences, 2021-02-07)
Initial detrital composition and authigenic alterations during diagenesis of three sandstone types are related to their mechanical properties. Sandstones were prepared for geotechnical standard tests [density, uniaxial ... -
Disk transport rates from Ti isotopic signatures of refractory inclusions
; ; ; (Meteoritics & Planetary Science, 2022-11-10)
The early solar system was a dynamic period during which the formation of early solids set into motion the process of planet building. Although both astrophysical observations and theoretical modeling demonstrate the ... -
Mapping the 3D position of battery cathode particles in Bragg coherent diffractive imaging
(Journal of Synchrotron Radiation, 2023-02-16)In Bragg coherent diffractive imaging, the precise location of the measured crystals in the interior of the sample is usually missing. Obtaining this information would help the study of the spatially dependent behavior of ... -
A Comparison Study of Mg/Ca‐, Alkenone‐, and TEX86‐Derived Temperatures for the Brazilian Margin
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Abstract The reconstruction of accurate sea‐surface temperatures (SST) is of utmost importance ...
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Quantifying electron cascade size in various irradiated materials for free‐electron laser applications
(Journal of Synchrotron Radiation, 2022-02-15)Studying electron‐ and X‐ray‐induced electron cascades in solids is essential for various research areas at free‐electron laser facilities, such as X‐ray ...
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Central Mediterranean tephrochronology between 313 and 366 ka: New insights from the Fucino palaeolake sediment succession
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Thirty‐two tephra layers were identified in the time‐interval 313–366 ka (Marine Isotope Stages 9–10) of the Quaternary lacustrine succession of the Fucino Basin, central Italy. Twenty‐seven of these tephra layers yielded ... -
Using diffraction losses of X‐rays in a single crystal for determination of its lattice parameters as well as for monochromator calibration
(Journal of Synchrotron Radiation, 2022-02-08)A way has been developed to measure the unit‐cell parameters of a single crystal just from an energy scan with X‐rays, even when the exact energy of the X‐rays ...
