 | | Journal (article/letter/editorial) | | phases: main intermediate members of the magnetite–ulvöspinel solid solutions and plagioclase (An45-61 Ab37-44...disequilibrium conditions of a thermal shock, far from the formation conditions of ordinary metamorphic rocks. Citation:...Mud volcanism in the region culminated during the Middle-Late Miocene but has decayed lately. Mud volcanoes...slightly weathered mud masses (liquefied and dry Middle Maykop shale), as well as thirty samples of combustion...sedimentary parent rocks (mud masses consisting of Middle Maykop shale), and separate clay fractions. Mineral |  | | Journal (article/letter/editorial) | | R—rhönite-like phase, Rh—rhodochrosite, (all polytypes), U—ulvöspinel, Sp—spinel phase, R—rhönite-like phase, Rh—rhodochrosite...scale—number of W—wüstite, Wh—whitlockite, #—C222 U—ulvöspinel, W—wüstite, Wh—whitlockite, #—C2221 -structured...with a phase with a PXRD image that fit best to ulvöspinel (TiFe2+ 2 O4 ) at 400 ◦ C. The latter further...simply been the case of a coincidence of Ti-rich ulvöspinel with a Ti-free spinel-phase standard. Fayalite...reflections at 2.236 Å and 2.048 Å suggested the formation of barringerite, (Fe,Ni)2 P, at 420 ◦ C as well |  | | Journal (article/letter/editorial) | | anorthite and clinopyroxene. The suggested mineral formation sequence is as follows: (Al-spinel), anorthit...country-rock is traceable for about 200 m along the east side of the outcrop and all around the melilitolite...to Sokol et al. (2005) and Grapes (2006), the formation of glassy clinker at the contact took place at...600 °C) due to the lack of hydromicas. The late formation of a silicate–carbonate–sulphate association mineralised...(42.2 mol%), chromite FeCr2O4 (20.7 mol%), and ulvöspinel Fe2TiO4 (18.9 mol%) with small amounts of other |  | Sharygin, Victor, Kamenetsky, Vadim, Zhitova, Liudmila, Belousov, Alexander, Abersteiner, Adam (2018) Copper-Containing Magnesioferrite in Vesicular Trachyandesite in a Lava Tube from the 2012–2013 Eruption of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 514 doi:10.3390/min8110514 | Journal (article/letter/editorial) | | Tolbachik the Kamchatkalava Peninsula (Far (Far East, lasted 9 months produced km3 ofvolcano basalticintrachyandesite...of basaltic trachyandesite lava that covered a 2 East, Russia) lasted 9 months and produced 0.54 km a...through skylights and associated oxidation, and formation numerous lavaand stalactites (Figure 2C). partial...partial melting of the roof rocks formation of numerous lava stalactites (Figure 2C). Rocksininthe theareas...wt % TiO2 , or decay of magnetite + ilmenite/ulvöspinel), fluorapatite, K-feldspar (Or74–90 ), and locally |  | | Journal (volume) | | trachy-andesitic composition was produced and dispersed to the east and later to the south covering the neighbouring...conditions, metal recovery in combination with the formation of novel functional bionanominerals, and even...Earth Science. Based on its robust retention of formation ages and its ability to substitute a wide variety...trace elements that record the conditions of its formation or alteration, zircon has become the foremost...and lime clusters. Dissolution of lime grains, formation of magnesian wüstite phases, and slight surface |  | | Book | | water-soluble Na salts are milled with CsCl, the formation of NaCl and the corresponding Cs salt takes place...35Li0.65)Si6O18] from Mokrusha pegmatite, Murzinka, Middle Urals (Yakubovich et al. 2009; see Fig. 1.12) distinct...Si–OH. The presence of Ti in olivine promotes the formation of a “titanoclinohumite-like pointdefect”, MgTiH2O4...shifts downward from 3730 to near 3700 cm−1 with formation of the (MgMgMg)–OH–A–O configuration due to dehydrogenation...oxidation of Fe2+, and hydration, results in the formation of minerals whose O–H-stretching bands are poor-resolved |
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