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Immiscible hydrous Fe-Ca-P melt and the origin of iron oxide-apatite ore deposits

Hou, Tong; Charlier, Bernard; Holtz, Francois; Veksler, Ilya; Zhang, Zhaochong; Thomas, Rainer; Namur, Olivier (London : Springer Nature, 2018)

The origin of iron oxide-apatite deposits is controversial. Silicate liquid immiscibility and separation of an iron-rich melt has been invoked, but Fe-Ca-P-rich and Si-poor melts similar in composition to the ore have never ...
Polybaric fractional crystallisation of arc magmas: an experimental study simulating trans-crustal magmatic systems

Marxer, Felix; Ulmer, Peter; Müntener, Othmar (Berlin ; Heidelberg : Springer, 2022)

Crystallisation-driven differentiation is one fundamental mechanism proposed to control the compositional evolution of magmas. In this experimental study, we simulated polybaric fractional crystallisation of mantle-derived ...
Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for degassing processes and oxygen fugacities of basaltic systems

De Moor, J.M.; Fischer, T.P.; Sharp, Z.D.; King, P.L.; Wilke, M.; Botcharnikov, Roman E.; Cottrell, E.; Zelenski, M.; Marty, B.; Klimm, K.; Rivard, C.; Ayalew, D.; Ramirez, C.; Kelley, K.A. (Hoboken, NJ : Blackwell Publishing Ltd, 2013)

We investigate the relationship between sulfur and oxygen fugacity at Erta Ale and Masaya volcanoes. Oxygen fugacity was assessed utilizing Fe 3+/ΣFe and major element compositions measured in olivine-hosted melt inclusions ...

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