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Fumarole - Astrophysics Data System

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Last Updated: 02 June 2022

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Efflorescent Sulphates with M+ and M2+ Cations from Fumarole and Active Geothermal Fields of Mutnovsky Volcano (Kamchatka, Russia)

"Sulphate efflorescent minerals covering the surface of the Mutnovsky volcano's Donnoe and Dachnoe fields are identified in this research. " Ammonia species were particularly concentrated in fumaroles. The mineral assemblage described herein is unique in comparison to other geological environments, and it reveals the process of low-temperature mineral formation associated with volcanism. H, Na, K, NH4, Ca, Mg, Fe2+, Fe3+, and Al are commonly found in varying amounts in the thermal water, ranging from 2. 4 to 6. 5, and acidic waters' dominance of acidic waters. The gas condensate contains cations such as +, Ca, and Mg, as well as a pH of 5. 0. The Mutnovsky volcano's unique geochemistry of thermal water at the Mutnovsky volcano include the Ti, Co. , and Ni impurities. The chemical composition of alunite-supergroup minerals reflects the types of hydrothermal deposits and contains critical data on the hydrothermal process," We submit.

Source link: https://ui.adsabs.harvard.edu/abs/2022Mine...12..600Z/abstract


New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVII. Paraberzeliite, NaCaCaMg2(AsO4)3, an alluaudite-group member dimorphous with berzeliite

"Abstract" is a descriptive word that refers to the discovery of the Great Tolbachik Fissure Eruption in Akenatnaya fumarole, Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia, the new alluaudite-group mineral paraberte was discovered in the northern breakthrough of the Great Tolbachik Fisenat Paraphrasedoutput: Svabite, diopside, hemmatite, svabite, berzeliite, svabite, svalete, ludwigite, fluorapatite, powellite, baryte, bacte, magnesioferrite, calcioferrite, prudwigite U00d7 0. 2 mm u00d7 1 mm u00d7 1 mm often found in open-work aggregates. Paraberzeliite crystals up to 0. 2 mm u00d7 1 mm u00d7 0. 2 mm u00d7 1 mm The Mohs' hardness is 3 U00bd. Na2O 6. 43, CaO 16. 65, MgO 11. 65, MnO 1. 65, CuO 0. 06, Fe2O3 1. 45, As2O5 1. 10, Total 99. 44, As2O5 5. 40, CaO 15. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MgO 11. 65, MnO 5. 55, MnO6. u03a34. 88 u03a33. 05O12 The estimated empirical formula based on 12 O atoms per formula unit is u03a33. 88. Parabertzeliite is isostructural with other alluaudite-group minerals. The term berzeliite refers to this alluaudite-group mineral, as shown by the arsenate garnet berzeliite, ideally Mg23. ".

Source link: https://ui.adsabs.harvard.edu/abs/2022MinM...86..103P/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions