Magma reservoirs play a key role in controlling numerous processes in planetary evolution,
including igneous differentiation and degassing, crustal construction, and volcanism. For …

Security of supply of a number of raw materials is of concern for the European Union;
foremost among these are the rare earth elements (REE), which are used in a range of …

Carbonatites are rare but worldwide occurring igneous rocks and their genesis remains
enigmatic. Field studies show a close spatial but controversially debated genetic …

This paper is an overview of available data on crystal structures, crystal chemical features,
physical and chemical properties, and genesis of multilayer microporous compounds related …

Complex and protracted crystallization histories over geologic timescales are recorded in
accessory minerals (eg, zircon, allanite). Although magmatic crystallization was traditionally …

Airbursts/impacts by a fragmented comet or asteroid have been proposed at the Younger
Dryas onset (12.80±0.15 ka) based on identification of an assemblage of impact-related …

The occurrence of deep low-frequency (DLF) microearthquakes beneath volcanoes is
commonly attributed to mass transport in the volcanic plumbing system and used to infer …

Rare earth element (REE) ore-bearing carbonatite dikes and a stock at Mountain Pass,
California, are spatially associated with a suite of ultrapotassic plutonic rocks, and it has …

The combination of U-Th disequilibrium/U-Pb and (U-Th)/He dating of zircon (ZDD) has
provided a relatively new radiometric approach suitable for dating Quaternary zircon …

Nine samples of carbonate-free sodalite-group minerals, including those with abnormally
high contents of polysulfide groups, fluoride anion and carbon dioxide molecules as well as …