2018
DOI: 10.3390/min8080344
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Mineralogy and Geochemistry of Mud Volcanic Ejecta: A New Look at Old Issues (A Case Study from the Bulganak Field, Northern Black Sea)

Abstract: We characterise the mineralogy and geochemistry of Oligo-Miocene Maykopian shales that are currently extruded by onshore mud volcanoes of the Kerch-Taman Province (the Northern Black Sea) from the depths of ~2.5–3 km. The ejected muds are remarkable by highly diverse authigenic mineralogy that comprises glauconite, apatite, siderite, mixed Fe–Mg–Mn–(Ca) and Mn–Ca–Fe-carbonates, pyrite, marcasite, sphalerite, cinnabar, chalcopyrite, nukundamite, akantite, native Cu, Au and Au–Ag alloys. Precise geochemical tech… Show more

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Cited by 36 publications
(21 citation statements)
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“…The starting materials used to study C-and N-bearing species in the fluids equilibrated with muscovite (Table 2), natural Maykop Fm. shale (Taman Peninsula, Russia; hereafter referred to as pelite) [39], and N-rich quartz-muscovite-chlorite schist (hereafter referred to as mica schist) (Polar Ural, Russia), as well as melamine or distilled water. The mica schist, with up to 266 ppm NH 4 [40], was metamorphosed at 0.2 GPa and 570 to 580 • C. As shown by the thermogravimetric (TG) analysis, it contained up to 0.91 wt.…”
Section: Methodsmentioning
confidence: 99%
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“…The starting materials used to study C-and N-bearing species in the fluids equilibrated with muscovite (Table 2), natural Maykop Fm. shale (Taman Peninsula, Russia; hereafter referred to as pelite) [39], and N-rich quartz-muscovite-chlorite schist (hereafter referred to as mica schist) (Polar Ural, Russia), as well as melamine or distilled water. The mica schist, with up to 266 ppm NH 4 [40], was metamorphosed at 0.2 GPa and 570 to 580 • C. As shown by the thermogravimetric (TG) analysis, it contained up to 0.91 wt.…”
Section: Methodsmentioning
confidence: 99%
“…% calcite and 1.7 wt. % siderite, according to the quantitative X-ray diffraction (QXRD) data [39] and 1.87 wt. % CO 2 , 2.05 wt.…”
Section: Methodsmentioning
confidence: 99%
“…Карбонаты признаны чувствительными индикаторами изотопно-химических особенностей ростовой среды, способными сохранять ее геохимические характеристики даже в процессах рекристаллизации [Liu et al, 1988;Bau, Dulski, 1996;Bolhar et al, 2004;Zhao et al, 2009;Лавру шин, 2012;Sokol et al, 2017Sokol et al, , 2018. На этом основании они представляются важными носителями информации об особенностях состава и природы флюидов осадочного чехла Куринской депрессии.…”
Section: изотопно-геохимические характеристики карбонатов из выбросовunclassified
“…Концентрация цинка в части образцов также возрастает пропорционально содержаниям Mg, Sr и Ва. Следовательно, в изученных образцах из грязевых вулканов Азербайджана цинк частично аккумулируется в жильных карбонатах, подобно тому, как это было установлено ранее для синтетического CaCO 3 и морских карбонатных и глинистых осадков [Zachara et al, 1991;Sokol et al, 2017Sokol et al, , 2018.…”
Section: химический составunclassified
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