Search Results - "Ella V. Sokol"
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Natural pseudowollastonite: Crystal structure, associated minerals, and geological context
Published in Lithos (01-03-2012)“…Pseudowollastonite, an extremely rare constituent of ultrahigh-temperature combustion metamorphic and igneous rocks, has been found as a rock-forming mineral…”
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Combustion Metamorphism in Mud Volcanic Events: A Case Study of the 6 May 2000 Fire Eruption of Karabetova Gora Mud Volcano
Published in Minerals (Basel) (01-03-2023)“…The violent eruption of Karabetova Gora mud volcano on 6 May 2000 (Taman Peninsula, 45°12′16″ N; 36°47′05″ E) triggered gas ignition as a giant straight-flow…”
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Alumina Hosts in Fe- and Al-Rich Metapelites from Transangaria (Yenisey Ridge, East Siberia): Distribution, Composition, and Mining Potential
Published in Minerals (Basel) (01-10-2023)“…Fe- and Al-rich metapelite from the Transangarian segment of the Yenisey Ridge (East Siberia, Russia) is a potential new source of high-alumina refractories…”
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Travertines of the South-Eastern Gorny Altai (Russia): Implications for Paleoseismology and Paleoenvironmental Conditions
Published in Minerals (Basel) (01-02-2023)“…The south-eastern Gorny Altai is one of the most hazardous seismogenic area in the north of Central Asia. We present a synthesis of field, 230Th-U…”
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Mercury Anomaly in Oligocene–Miocene Maykop Group Sediments (Caucasus Continental Collision Zone): Mercury Hosts, Distribution, and Sources
Published in Minerals (Basel) (01-07-2021)“…The Oligocene–Miocene Maykop Group sediments, mainly composed of illite–smectite, store mercury in strongly variable concentrations from 10 to 920 μg/kg…”
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Ge-Hg-Rich Sphalerite and Pb, Sb, As, Hg, and Ag Sulfide Assemblages in Mud Volcanoes of Sakhalin Island, Russia: An Insight into Possible Origin
Published in Minerals (Basel) (01-11-2021)“…We characterize the mineralogy and geochemistry of Fe, Zn, Pb, Sb, As, Hg, Ag sulfide assemblages from mud masses currently extruded by the onshore South…”
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Phosphate Record in Pleistocene-Holocene Sediments from Denisova Cave: Formation Mechanisms and Archaeological Implications
Published in Minerals (Basel) (01-05-2022)“…The distribution of authigenic phosphates in the sedimentary sequence of prehistoric Denisova Cave (Altai, South Siberia) has important archeological…”
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Morphology and composition of calcium oxalate monohydrate phytoliths in the bark of Betula ermanii (stone birch): Case study from Sakhalin Island
Published in Microscopy research and technique (01-11-2024)“…The morphology of calcium oxalate monohydrate precipitates (COM, Ca(C2O4)·H2O, P21/c, whewellite) occurring as crystals or intergrowths, as well as…”
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Onshore mud volcanoes as a geological source of mercury: Case study from the Kerch Peninsula, Caucasus continental collision zone
Published in The Science of the total environment (10-01-2021)“…Three mud volcanoes (MVs) in the Kerch Peninsula were studied as a geological source of mercury. The study focused on total mercury (THg) concentrations in MV…”
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Origin of chromitites in the Norilsk-1 intrusion (Siberian LIP) triggered by assimilation of argillaceous rocks by Cr-rich basic magma
Published in Lithos (01-10-2023)“…Сhromite-rich rocks and monomineralic chromitites occur in mafic-ultramafic layered intrusions worldwide, and are economically important as they host major…”
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Calcium uranium oxide minerals from central Jordan; assemblages, chemistry, and alteration products
Published in Canadian mineralogist (01-01-2015)“…Unusual combustion-metamorphic phosphorus-rich varicolored marbles of the Tulul Al Hammam area in central Jordan, 60 km east of the Dead-Sea - Jordanian…”
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The application of Raman spectroscopy to djerfisherite identification
Published in Journal of Raman spectroscopy (01-11-2017)“…Raman spectra were acquired from the synthetic cubic K6Fe25S26Cl phase (55.3 wt% Fe) and ten natural djerfisherites K6(Fe,Cu,Ni)25S26Cl with various contents…”
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Natural bentorite—Cr3+ derivate of ettringite: determination of crystal structure
Published in Physics and chemistry of minerals (01-06-2019)“…Bentorite, a Cr 3+ -substituted analogue of ettringite (Ca 6 Cr 2 (SO 4 ) 3 (OH) 12 ·26H 2 O), has been found as veinlet filling at its holotype locality in…”
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Natural Cr3+-rich ettringite: occurrence, properties, and crystal structure
Published in Physics and chemistry of minerals (01-03-2018)“…Cr 3+ -rich ettringite with Cr 3+ →Al substitution and Cr/(Cr + Al) ratios up to 0.40–0.50 was found in mineral assemblages of the Ma’aleh Adumim area of…”
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Fluorellestadite from burned coal dumps: crystal structure refinement, vibrational spectroscopy data and thermal behavior
Published in Mineralogy and petrology (01-06-2021)“…Nine different samples of fluorellestadite from Chelyabinsk, Kizel and Kuznetsk coal basins were studied by single-crystal X-ray diffraction analysis, thermal…”
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Sulfide Minerals as Potential Tracers of Isochemical Processes in Contact Metamorphism: Case Study of the Kochumdek Aureole, East Siberia
Published in Minerals (Basel) (01-01-2021)“…Marly limestones from the Lower Silurian sedimentary units of the Tunguska basin (East Siberia, Russia) underwent metamorphism along the contact with the Early…”
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A methane-derived carbonate build-up at a cold seep on the Crimean slope, north-western Black Sea
Published in Marine geology (01-05-2015)“…A unique chimney-shaped carbonate build-up was produced by microbially mediated anaerobic oxidation of methane at a deep-sea cold seep. The build-up was…”
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Ultrahigh-Temperature Sphalerite from Zn-Cd-Se-Rich Combustion Metamorphic Marbles, Daba Complex, Central Jordan: Paragenesis, Chemistry, and Structure
Published in Minerals (Basel) (01-09-2020)“…Minerals of the Zn-Cd-S-Se system that formed by moderately reduced ~800–850 °C combustion metamorphic (CM) alteration of marly sediments were found in marbles…”
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Incommensurately modulated crystal structure of flamite – natural analogue of ‐Ca2SiO4
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-12-2019)“…Crystal structures of unquenchable high‐temperature polymorphs of Ca2SiO4, important in cement chemistry, have eluded single‐crystal X‐ray analysis. However,…”
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Heavy carbon travertine related to methane generation: A case study of the Big Tarkhan cold spring, Kerch Peninsula, Crimea
Published in Sedimentary geology (15-07-2015)“…The Big Tarkhan cold spring is located within the Bulganak zone of mud volcanism in the northern Kerch Peninsula (Crimea). The spring waters mainly have…”
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