Results 51 to 60 of about 2,580,597 (193)

Accessory Minerals in Felsic Igneous Rocks - Part 4: Composition of allanite-(Ce), monazite-(Ce), xenotime-(Y) and zircon from the multi-stage, weakly peraluminous F-poor granite massifs of Kirchberg and Niederbobritzsch (Erzgebirge−Vogtland metallogenic province, Germany)

, 2019
This data set is the 4th contribution of a series reporting chemical data for accessory minerals from felsic igneous rocks. It deals with two late Variscan biotite-granite massifs emplaced in the Saxothuringian Zone of the Variscan Orogen (Erzgebirge ...
Förster, Hans-Jürgen
core   +1 more source

Looking Under the Orogenic Lid—Assessing the European Basement Beneath the Alpine Wedge by U‐Pb Zircon Geochronology

Tectonics, Volume 45, Issue 10, October 2026.
Abstract Following continental collision, the distal European margin was overridden by the Alpine wedge and is now largely concealed beneath the mostly intact orogenic lid. Consequently, the geological evolution and nature of the hidden basement domains remain poorly constrained.
Bianca Heberer, Elisabeth Holzner, Veronika Tenczer, Friedrich Finger, Bernhard Salcher, István Dunkl, Axel Gerdes, Hans Egger, Gertrude Friedl, Gabor Tari, Maria Parlea, Hubert Putz   +11 more
wiley   +1 more source

Rare earth element evolution and migration in plagiogranites: a record preserved in epidote and allanite of the Troodos ophiolite

, 2015
Plagiogranites from the Troodos ophiolite in Cyprus are occasionally epidotised, either partially or completely. Epidotisation phenomena include replacement of pre-existing minerals and filling of miarolitic cavities.
Bach, Wolfgang, Anenburg, Michael, Jöns, Niels, Katzir, Yaron, Rhede, Dieter   +4 more
core   +1 more source

Ductile Extrusion Triggered by Continental Collision in NE Brazil

Terra Nova, Volume 38, Issue 4, Page 266-277, August 2026.
ABSTRACT The Borborema Province in northeastern Brazil hosts one of the world's largest strike‐slip shear zone networks, active during the late Neoproterozoic assembly of West Gondwana. Whether these shear zones initiated during active continental collision or as a post‐orogenic response to far‐field stresses remains debated.
L. R. Tesser, C. E. Ganade, C. R. Cioffi, J. B. Forshaw, M. Hueck, E. Celis, M. A. S. Basei   +6 more
wiley   +1 more source

Titanite composition and SHRIMP U–Pb dating as indicators of post-magmatic tectono-thermal activity: Variscan I-type tonalites to granodiorites, the Western Carpathians

Geologica Carpathica, 2019
Titanite belongs to the common accessory minerals in Variscan (~360–350 Ma) metaluminous to slightly peraluminous tonalites to granodiorites of I-type affinity in the Tatric and Veporic Units, the Western Carpathians, Slovakia.
Uher Pavel, Broska Igor, Krzemińska Ewa, Ondrejka Martin, Mikuš Tomáš, Vaculovič Tomáš   +5 more
doaj   +1 more source

Non-matrix-matched standardisation in LA-ICP-MS analysis: general approach, and application to allanite Th–U–Pb dating [PDF]

, 2017
To make use of the full geochronological potential of accessory minerals such as zircon, allanite, monazite, and titanite, high spatial resolution isotopic analysis of the Th–U–Pb system is required.
Pettke, Thomas, Marco Burn, Thomas Pettke, Martin Engi, Pierre Lanari, Lanari, Pierre, Engi, Martin, Burn, Marco   +7 more
core   +1 more source

Dynamic Deglacial Evolution of Interior Seaways and Ice Streams in the Weddell Sea Embayment

Paleoceanography and Paleoclimatology, Volume 41, Issue 7, July 2026.
Abstract Improving our understanding of Antarctic glacial dynamics is essential for accurately predicting ice sheet behavior and its contribution to global sea level rise under future climate scenarios. The Weddell Sea Embayment, which channels ice from East Antarctica, West Antarctica, and the Antarctic Peninsula into the Filchner‐Ronne Ice Shelf, is ...
M. R. Bollen, M. Gutjahr, P. Blaser, C. E. Ginnane, J. P. Klages, J. Müller, J. C. Turnbull, S. L. Jaccard   +7 more
wiley   +1 more source

Rare-earth and rare-metal mineralization in late granite of Syrostan massif (Southern Urals)

Литосфера, 2015
The article provides a complete list of Syrostan massif minerals, which includes 47 mineral species. It is shown that the rare-metal and rare-earth mineralization is confined to the late vein facies - granite dykes and pegmatites.
E. P. Makagonov, V. A. Muftahov
doaj   +2 more sources

Exploring the unusual occurrence, chemistry, and structural topology of åsgruvanite-(Ce), Ce₁₆Ca₅Al(SiO₄)₆(AsO₃)₈(CO₃)₂Cl₃(ClF₃)(OH)₂, a new rare earth element (REE) mineral from Västmanland, Sweden [PDF]

European Journal of Mineralogy
Åsgruvanite-(Ce), ideally Ce16Ca5Al(SiO4)6(AsO3)8(CO3)2Cl3(ClF3)(OH)2, is a new mineral species (IMA–CNMNC 2025-004) from the Åsgruvan Fe-skarn deposit, Norberg, Västmanland, Sweden, which is directly related to the Bastnäs type of rare earth element ...
A. Taddei, D. Holtstam, E. Jonsson, E. Jonsson, H.-J. Förster, S. S. Andersson, O. Appelt, L. Bindi   +7 more
doaj   +1 more source

Progressively Fenitised Schist and Carbonatitic Clasts From a Metasomatic Aureole Beneath the Alkalic Dunedin Volcano, Otago, New Zealand

New Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Clasts of albite‐porphyroblastic quartzofeldspathic schist, derived from the Otago Schist basement, occur within the Port Chalmers Breccia, a diatreme at the centre of the Dunedin stratovolcano, New Zealand. Schists have undergone varying degrees of replacement reactions (at temperatures of 300° to >500°C) producing hornfelses, with Ca‐ and K‐enriched ...
Alan F. Cooper
wiley   +1 more source