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Conducting volcanic ash cloud exercises: practising forecast evaluation procedures and the pull-through of scientific advice to the London VAAC
The London Volcanic Ash Advisory Centre (VAAC) provides forecasts on the expected presence of volcanic ash in the atmosphere to mitigate the risk to...
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Assessing volumes of tephra fallout deposits: a simplified method for data scarcity cases
A new method for assessing volumes of tephra deposits based on only two thickness data is presented. It is based on the assumptions of elliptical...
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The Importance of Interpretation in Promoting Geotourism to the Daigu Landform
Geotourism, which is integral to the UNESCO Global Geoparks (UGGps), plays a pivotal role in the promotion of geoheritage. This study focuses on the...
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Multiphase evolution of fluids in the Rudnik hydrothermal-skarn deposit (Serbia): new constraints from study of quartz-hosted fluid inclusions
This study presents and discusses first detailed petrographic, microthermometric and Raman spectroscopic data from quartz-hosted fluid inclusions at...
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Reconstructing the Belbaşhanı Pumice Plinian eruption, Hasandağ Volcano, Turkey
Hasandağ volcano (Central Anatolia, Turkey) has recently underwent an increase in local seismicity and fumarolic activity since 2013. In the past,...
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Hydrogeological and speleological characterization of a karstic spring: the Cokragan cave system
Karstic landscapes, shaped by water dissolving rocks, are unique ecosystems with complex water systems. Karst aquifers, vital for over 25% of the...
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From Quarry to Monument: Considering Mardin Stone (SE, Türkiye) as the Symbol of Architectural and Cultural Heritage
The cultural and architectural significance of stone becomes evident as one traces its journey from quarry to monument. Located in southeastern...
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Geoconservation History of a Basalt Quarry – The Case of Mt. Wilkołak, Land of Extinct Volcanoes Geopark, SW Poland
Mt. Wilkołak is one among many hills built of mid-Cenozoic basalts in SW Poland, within the Land of Extinct Volcanoes UNESCO Global Geopark....
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Using zircon and apatite chemistry to fingerprint porphyry Cu – Mo ± Au mineralization in the Delamerian Orogen, South Australia
To evaluate the fertility of porphyry mineralization in the Delamerian Orogen (South Australia), zircon and apatite from four prospects, including...
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Iron valence systematics in clinopyroxene crystals from ocean island basalts
The valence state of Fe plays a vital role in setting and recording the oxidation state of magmas, commonly expressed in terms of oxygen fugacity (
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Coherent solvus of disordered alkali feldspar: experiment, atom probe tomography and thermodynamic model
At temperatures above about 600 °C, alkali feldspar forms a continuous solid solution between the Na and K end members. Towards lower temperatures a...
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Rapid differentiation of mafic to intermediate magma constrained by Ra–Th disequilibrium and the size of magma chamber beneath Hekla volcano, Iceland
The size of deep-seated magma chambers is an important parameter for understanding pre-eruptive signals such as surface deformation. The constantly...
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The packing fraction of the oxygen sublattice: its impact on the heat of mixing
The heat of mixing of some petrological relevant substitutions (i.e., Mg-Al, Si-Al, Mg-Ti, Mg-Ca, and Mg-Fe) was investigated systematically in...
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Effectiveness of Ti-in-amphibole thermometry and performance of different thermometers across lower continental crust up to UHT metamorphism
Metabasites are important constituents of deep crustal sections and are the favored rock type for studying lower crustal amphibolite to granulite...
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New insights on the formation of the polymetamorphic Felbertal tungsten deposit (Austria, Eastern Alps) revealed by CL, EPMA, and LA-ICP-MS investigation
The Felbertal tungsten deposit is the only economic scheelite mine in Europe, yet its genesis is not fully understood. It has been argued recently...
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Polyphased gold enrichment as a key process for high-grade gold formation: Insights from the 10 Moz Jundee-Bogada camp (Yilgarn Craton, Western Australia)
High-grade (> 10 g/t) gold mineralization in orogenic gold deposits is of significant economic importance. Understanding the formation of such...
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Basal twinning of Greenland corundum
Natural corundum shows two types of twins: “basal twin”, by reflection on (0003) pinacoid, very rare, and “rhombohedral twin”, by reflection on (
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Dating prograde metamorphism: U–Pb geochronology of allanite and REE-rich epidote in the Eastern Alps
We use U–Pb dating of allanite and REE-rich epidote in three polymetamorphosed units from the Eastern Alps to constrain the timing of prograde...
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Geochemical processes in the roots of the Azores magmatic systems
The Azores archipelago, situated east of the Mid-Atlantic Ridge, comprises volcanic islands arranged along sub-parallel spreading systems and rests...
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CO2 emissions during the 2023 Litli Hrútur eruption in Reykjanes, Iceland: ẟ13C tracks magma degassing
We report CO 2 emission rates and plume δ 13 C during the July 2023 eruption at Litli Hrútur in the Fagradalsfjall region of the Reykjanes Peninsula....
