Results 41 to 50 of about 10,846 (183)

RioM‐1: A New Calcite Reference Material for U‐Pb LA‐ICP‐MS Geochronology

Geostandards and Geoanalytical Research, EarlyView.
Key Points RioM‐1 calcite was characterised for trace elements, U‐Pb geochronology, Sr and O isotopes using ID‐TIMS, LA‐ICP‐MS and SIMS. U‐Pb dates from ID‐TIMS and LA‐ICP‐MS across several independent laboratories returned identical results within uncertainty.
Marco Silva, Cristiano Lana, Ricardo Scholz, Ian Buick, Sandra Kamo, Nick M.W. Roberts, Axel Gerdes, Michael Wiedenbeck, Blair Schoene, Francisco E. Apen, Sean P. Gaynor   +10 more
wiley   +1 more source

Tectonometamorphic evolution of a subduction plate interface at the base of the Mirdita Ophiolite (Bajram Curri, northeastern Albania)

Swiss Journal of Geosciences
The Western Vardar ophiolite, a thrust sheet of oceanic crust and mantle obducted onto the Adriatic passive margin in the Late Jurassic, crops out along the entire Balkan Peninsula.
Madeline Richter, Kilian Pollok, Kujtim Onuzi, Kamil Ustaszewski   +3 more
doaj   +1 more source

Building 1D and 3D Mechanical Earth Models for Underground Gas Storage—A Case Study from the Molasse Basin, Southern Germany

Energies, 2020
Hydromechanical models of gas storage in porous media provide valuable information for various applications ranging from the prediction of ground surface displacements to the determination of maximum reservoir pressure and storage capacity to maintain ...
Muhammad Zain-Ul-Abedin, Andreas Henk
doaj   +1 more source

A geophysical investigation of the Roter Kamm impact crater, Namibia

Meteoritics &Planetary Science, EarlyView.
Abstract The Roter Kamm impact crater is located in the southern Namib Desert. The crater has a diameter of 2.5 km and belongs to the category of simple, bowl‐shaped impact craters, with an elevated rim of fractured target rock. The crater's interior is completely buried beneath sediments, preventing extensive surface investigations of the bedrock ...
Hannah Nienhaus, Pritam Yogeshwar, Wiebke Mörbe, Bülent Tezkan, Yajun Liu, Bufelo Lushetile, Martin Melles   +6 more
wiley   +1 more source

The dentition of the Late Jurassic dwarf sauropod Europasaurus holgeri from northern Germany: ontogeny, function, and implications for a rhamphotheca-like structure in Sauropoda [PDF]

PeerJ
The basal macronarian sauropod Europasaurus holgeri is known only from the Late Jurassic of the Langenberg Quarry near Goslar, Lower Saxony, Germany. Europasaurus has been identified as an insular dwarf and shows a clear resemblance to Camarasaurus and ...
Verena Régent, Kayleigh Wiersma-Weyand, Oliver Wings, Nils Knötschke, P. Martin Sander   +4 more
doaj   +2 more sources

Elastic and Frictional Properties of Fault Zones in Reservoir-Scale Hydro-Mechanical Models—A Sensitivity Study

Energies, 2020
The proper representation of faults in coupled hydro-mechanical reservoir models is challenged, among others, by the difference between the small-scale heterogeneity of fault zones observed in nature and the large size of the calculation cells in ...
Torben Treffeisen, Andreas Henk
doaj   +1 more source

Hochdrucksynthese von Antimonnitrid Sb3N5 und Polynitrid Sb2N8 mit einfach gebundenen N810− Ketten

Angewandte Chemie, Volume 138, Issue 6, 2 February 2026.
Hochdrucksynthesen zwischen Antimon und molekularem Stickstoff in einer laserbeheizten Diamantstempelzelle führten zur Bildung von oC32‐Sb3N5 (51(1) GPa) und mP20‐Sb2(N8) (> 100 GPa). Beide Phasen wurden mittels Einkristall‐Röntgenmikrodiffraktion identifiziert und durch Berechnungen mittels Dichtefunktionaltheorie vollständig bestätigt.
Lukas Brüning, Nityasagar Jena, Elena Bykova, Konstantin Glazyrin, Ievgeniia Iermak, Stella Chariton, Vitali B. Prakapenka, Igor A. Abrikosov, Maxim Bykov   +8 more
wiley   +1 more source

Charakterisierung der N‐Methyltransferase SgPsmC: Anwendung in der kinetischen Racematspaltung von Pyrroloindolinen

Angewandte Chemie, Volume 138, Issue 2, 9 January 2026.
Die N‐Methyltransferase SgPsmC wurde charakterisiert und für die kinetische Racematspaltung von Pyrroloindolinen verwendet. Die Substitution an 3a‐Position erwies sich als eine Hauptdeterminante für die Enantioselektivität des Enzyms. Die Reaktion wurde mit einer Methionin‐Adenosyl‐Transferase gekoppelt, um S‐Adenosylmethionin in situ zu erzeugen und ...
Benjamin Panagiotis Chapple, Lia Nitz, Pascal Schneider, Birgit Henßen, Sebastian Myllek, Mona Haase, Thomas Classen, Jörg Pietruszka   +7 more
wiley   +1 more source

Ordering of tetrahedral and octahedral layers in synthetic lepidolites and Li-muscovites: two-dimensional {¹H} → ²⁹Si ∕ ²⁷Al CPMAS HETCOR and {¹⁹F} → ²⁹Si ∕ ²⁷Al CPMAS HETCOR spectroscopy [PDF]

European Journal of Mineralogy
Cationic ordering in the octahedral and tetrahedral sheets of synthetic lepidolites with composition K(LixAl3−x)[Si2xAl4−2xO10](OH)yF2−y and Li-muscovites with K(LixAl2-x/3□1-2x/3)[Si3AlO10](OH)yF2−y has been investigated using two-dimensional (2-D) {1H ...
M. Fechtelkord, L. Sulcek
doaj   +1 more source

Caenogastropods and heterobranch gastropods from the Hettangian deposits of Luxembourg: palaeobiogeography and Early Jurassic faunal recovery in the western Tethys

Papers in Palaeontology, Volume 12, Issue 1, January/February 2026.
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari, Roberto Gatto, Mara Valentini, Robert Weis   +3 more
wiley   +1 more source