 | | Report (chapter) | | 690022, Russia 2 N.G. Chermyshesky Saratov State National Research University, Saratov, Russia 3 A...Maastrichtian) of the Saratov–Samara Volga region, Russia. New data provide information on the resulting...Jurassic–Cretaceous of the Saratov–Samara area in Russia (e.g. Sinzow 1870; Nikitin 1884; Khimenkov 1904;...shells were collected from the upper Volgian of the Moscow area (Ramenskij quarry) for comparison purposes...percentage of aragonite in molluscan shells, which were originally represented by 100% aragonite; (3) cathodoluminescence |  | | Journal (article/letter/editorial) | | Sciences, 36, Nakhimovskiy Prospect, 117997 Moscow, Russia; mollusc@mail.ru (L.R.); olgadara@mail.ru (O...formed during the life of marine organisms (opal, aragonite, magnesian calcite, calcite, apatite, etc.) [2]...formed in a variety of ways. Minerals such as aragonite, dolomite, gypsum, halite, glauconite, and barite...contamination of the enclosed and marginal seas of Russia [8,9,49–52]. Here, we aim to study the features...of Oceanology, Russian Academy of Sciences (Moscow, Russia). The mineral composition was analyzed on a |  | | Journal (issue) | | CONSTITUTERS: Geological Faculty of the M. Lomonosov's Moscow State University, Andrey Belyakov, Michael Leybov..."WORLD OF STONES Publishing" Box 162, 103050 Moscow, Russia Tel/fax: (7-095) 2033574 Color separation:...Valovaya str., 28, Moscow Printed i n P PA " L e o To l s t o y " , Tu l a , Russia. Or. 1520. 3 0 0 0...ranks among the three largest in Russia. It includes collections of Moscow State University (more than 25...000 specimens) from the period 1759-1930, of the Moscow Mining Academy (about 10,000 specimens), which |  | Lein, A. Yu., Galkin, S. V., Maslennikov, V. V., Bogdanov, Yu. A., Bogdanova, O. Yu., Dara, O. M., Ivanov, M. V. (2007) A new type of carbonate rocks on the ocean floor (Mid-Atlantic Ridge, 30°07′ N) Doklady Earth Sciences, 412 (1) 136-140 doi:10.1134/s1028334x0701031x | Journal (article/letter/editorial) | | represented by a mixture of calcite and aragonite. The aragonite content varies from 3–5% near the surface...Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117851 Russia; e-mail: Lein@ocean.ru b Institute of Mineralogy...Academy of Sciences, Miass, Chelyabinsk oblast, Russia c Institute of Microbiology, Russian Academy of...Sciences, pr. Shestidesyatiletiya Oktyabrya 7, Moscow, 117312 Russia Oxide SiO2 Al2O3 Fe2O3 MgO CaO K2O TiO2... Fe Fe Ni Ti 5 6 7 Zn 8 (d) Fig. 2. Aragonite–calcite rock in the new inactive Lost Village |  | | Journal (article/letter/editorial) | | Sciences, Pervomaiskaya ul. 54, Syktyvkar, 167982 Russia Received June 9, 2010 Abstract—The composition...the Makar’ev South outcrop in Kostroma oblast, Russia, have been studied. The studied shells differ in...carbonatebearing apatite(CaF), and newly formed aragonite. Other shells without retained internal structure...the Callovian sedimentary rocks in the northern Moscow Syneclise are considered in this paper. 1 Corresponding...attribute. The shell wall is composed of ara gonite. Aragonite. According to Drushits and Doguzhaeva (1981), |  | | Journal (article/letter/editorial) | | Kosygina 19, Moscow, 119991 Russia email: voropaev@geokhi.ru b Moscow State University, Moscow, 119991 Russia...Russia Received March 20, 2013; in final form, March 23, 2013 Abstract—Samples of the Chelyabinsk meteorite...fallen in February 15, 2013, near Chelyabinsk, Russia, are analyzed by Raman spectroscopy. Olivines (forsterite)...modifications are aragonite and vaterite. Cal cite begins to transform to aragonite at temperature around...while aragonite is replaced by calcite at cooling and pressure decrease [7]. Calcite and aragonite were |  | | Journal (article/letter/editorial) | | Street, Chernogolovka, Moscow District, 142432, Russia, and M.V. Lomonosov Moscow State University, Geological...Geological Department, Vorob’yovy Gory, Moscow, 119899, Russia Yuriy A. LITVIN Institute of Experimental...Institutskaya Street, Chernogolovka, Moscow District, 142432, Russia Abstract We studied the melting relations...relations in the ternary system CaCO3 (aragonite) – Mg3Al2Si3O12 (pyrope) – FeS (pyrrhotite) at a pressure...additional runs were performed with a mixture of aragonite and magnesite of dolomite stoichiometry. The melting |  | | Journal (article/letter/editorial) | | of Russian Academy of Sciences, Irkutsk, 664033, Russia (Received July 8, 1991; accepted in revisedform...for sphaleritewurtzite equilibrium and calcite-aragonite equilibrium are constructed showing the wide ranges...parameters under which the formation of wurtzite and aragonite is possible. The location of the critical point...Science and Production Co., “Silex,” Irkutsk, 664003, Russia. 815 V. L.Tmsonetai. X16 and are made up of...CHERNYSHEV,198 1). The position of the calcite-aragonite equilibrium curve in the coordinates T-P is calculated |  | | Journal (article/letter/editorial) | | RAS), 3 Akad. Koptyug Ave., 630090 Novosibirsk, Russia; strahova@igm.nsc.ru (V.S.); solot@igm.nsc.ru (E...carbonate formation from calcite–dolomite series and aragonite on geochemical barriers, i.e., drifting biota–water... It was found that low-magnesium calcite and aragonite are the most common authigenic carbonates in small...authigenic minerals; calcite–dolomite carbonates; aragonite; small lakes; Western Siberia 1. Introduction...found that Mg-calcites, Ca-excess dolomites, and aragonite predominate among the carbonate minerals. Similar |  | Pokrovsky, B. G., Zaviyalov, P. O., Bujakaite, M. I., Izhitskiy, A. S., Petrov, O. L., Kurbaniyazov, A. K., Shimanovich, V. M. (2017) Geochemistry of О, Н, C, S, and Sr isotopes in the water and sediments of the Aral basin. Geochemistry International, 55 (11) 1033-1045 doi:10.1134/s0016702917110076 | Journal (article/letter/editorial) | | Sciences, Moscow, 109017 Russia Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, 117997...117997 Russia c Akhmet Yasevi International Kazakh–Turkish University, Turkestan, Kazakhstan d Institute...detritus containing quartz, gypsum, calcite, and aragonite. The relatively low accumulative terraces in Chernyshev...Chernyshev Bay deposit ocher-like precipitate with aragonite. ANALYTICAL TECHNIQUES The mineralization of the...groundwaters at Chernyshev Bay (–19.7‰) and in aragonite that crystallizes from the springs (–14.6‰). The |  | | Journal (article/letter/editorial) | | Sciences, Moscow, 119991 Russia Mineralogical Museum, Russian Academy of Sciences, Moscow, 119991 Russia *e-mail:...Single crystals of scheelite CaWO4 structure type Aragonite (CaCO3) structure type Barite BaSO4 structure...of Phosgenite and Aragonite Family Minerals Figure 1 shows Raman spectra for aragonite family minerals...the range ~1050–1085 cm–1, vibraI 704 1085 Aragonite CaCO3 16 D2h = Pmcn 700 148 182 1073 SrCO3...The spectra of this type, just as those of the aragonite minerals, feature well-defined ranges of internal |  | | Journal (article/letter/editorial) | | Geochemistry Department, Moscow State University, Moscow, 119899, Russia. Introduction The stable supersaturation...K's - apparent solubility product of calcite or aragonite in seawater - was calculated using initial measured...stirring of solutions dramatically decreases the aragonite precipitation (by a factor of ten) both in natural...3000 minutes shows the very close kinetics of aragonite precipitation in normal seawater and calcite one...reerystallize into aragonite and then calcite in water solution. The transformation aragonite - calcite is |  | | Journal (article/letter/editorial) | | considered as a purely physicochemical process of aragonite precipitation from an oversaturated solution [4]...spectrometer (flame variant). As follows from the table, aragonite (up to 99% in some samples) and calcite represent...Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117851 Russia; e-mail: noskina@mail.ru phases in all...demonstrate practically equal proportions of aragonite (98 and 99%, respectively). The calcite content...varies from almost zero to 30% (average 9.2%). The aragonite/calcite ratio range is small. The Stephanophyllia |  | Dubinina, E. O., Chernyshev, I. V., Bortnikov, N. S., Lein, A. Yu., Sagalevich, A. M., Gol’tsman, Yu. V., Bairova, E. D., Mokhov, A. V. (2007) Isotopic-geochemical characteristics of the lost city hydrothermal field. Geochemistry International, 45 (11) 1131-1143 doi:10.1134/s0016702907110067 | Journal (article/letter/editorial) | | Academy of Sciences, Staromonetnyi per. 35, Moscow, 109017 Russia e-mail: delta@igem.ru b Shirshov Institute...Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117991 Russia Received May 25, 2006 Abstract—The isotopic...64-M1-7/2 Aragonite + (calcite) Brucite + calcite + aragonite Aragonite + brucite Aragonite + calcite...71-M2-4 Calcite + aragonite + brucite Brucite + aragonite + calcite Brucite + aragonite + calcite 68-M2-2A...68-M2-2A Aragonite + calcite Material description Coral fragments in carbonate sand near the bottom of |  | Solotchina, E. P., Sklyarov, E. V., Vologina, E. G., Orlova, L. A., Sklyarova, O. A., Solotchin, P. A., Stolpovskaya, V. N., Fedorovskii, V. S., Khlystov, O. M. (2008) Carbonates in the sedimentary record of saline Tsagan-Tyrm Lake, west Baikal region: New type of high-resolution paleoclimatic signals. Doklady Earth Sciences, 421 (2) 926-933 doi:10.1134/s1028334x08060147 | Journal (article/letter/editorial) | | Sciences, Universitetskii pr. 3, Novosibirsk, 630090 Russia; e-mail: solot@uiggm.nsc.ru b Institute of the...of Sciences, ul. Lermontova 128, Irkutsk, 664033 Russia c Vinogradov Institute of Geochemistry and Analytical...664033 Russia d Geological Institute, Russian Academy of Sciences, Pyzhevskii per. 7, Moscow, 119017...119017 Russia e Limnological Institute, Siberian Branch, Russian Academy of Sciences, ul. Lermontova 281, Irkutsk...Irkutsk, 664033 Russia significantly greater number of objects. The most promising objects for paleoclimatic |  | | Journal (article/letter/editorial) | | Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117997 Russia email: ldemina@ocean.ru; galkin@ocean.ru...Calyptogena m. are composed mainly of calcite and aragonite, respectively. The first data were obtained for...carbonate, calcite and aragonite. The pro portions of calcite and aragonite are significantly differ...Calyptogena magnifica clams consist of almost pure aragonite (94–98%); this distinction is probably related...known that aragonite is more soluble in the water column compared with calcite. The aragonite shells of |  | Zakharov, Yuri D., Dril, Sergei I., Shigeta, Yasunari, Popov, Alexander M., Baraboshkin, Eugenij Y., Michailova, Irina A., Safronov, Peter P. (2018) New aragonite 87Sr/86Sr records of Mesozoic ammonoids and approach to the problem of N, O, C and Sr isotope cycles in the evolution of the Earth. Sedimentary Geology, 364. 1-13 doi:10.1016/j.sedgeo.2017.11.011 | Journal (article/letter/editorial) | | New aragonite 87 Sr/86 Sr records of Mesozoic ammonoids and approach to the problem of...Michailova, Irina A., Safronov, Peter P., New aragonite 87 Sr/86 Sr records of Mesozoic ammonoids and...pertain. ACCEPTED MANUSCRIPT 87 1 86 New aragonite Sr/ Sr records of Mesozoic ammonoids and approach...MA Stoletiya Prospect 159, Vladivostok, 690022, Russia. E-mail: yurizakh@mail.ru Institute of Geochemistry...Branch), Favorsky D Street 1a, Irkutsk, 664033, Russia National Museum of Nature and Science, 4-1-1 Amakubo |  | | Journal (issue) | | 5-900395-02-2 © «PLUS» Ltd Publishing 103050 Moscow Box 162 Russia Color se|iparation and printing: Pervaya...Obraztsovaya tipographlya, 113054, Valovaya str., 28. Moscow, Russia Alexander V. Gromov. ROSE CORUNDUM FROM THE...Sverdlov. Cover 2 Typical succession in calcite-aragonite-magnesium ensemble. Calcite corallites, isolated...isolated crooked-facet calcite crystals, aragonite crystallictites, and hydromagnesite corallites overgrow...one author, then the train from Samar kand to Moscow is a standard place of the publication’s realization |  | Maslennikov, Valeriy V., Cherkashov, Georgy A., Firstova, Anna V., Ayupova, Nuriya R., Beltenev, Victor E., Melekestseva, Irina Yu., Artemyev, Dmitry A., Tseluyko, Aleksandr S., Blinov, Ivan A. (2022) Trace Element Assemblages of Pseudomorphic Iron Oxyhydroxides of the Pobeda-1 Hydrothermal Field, 17°08.7′ N, Mid-Atlantic Ridge: The Development of a Halmyrolysis Model from LA-ICP-MS Data. Minerals, 13 (1) 4 doi:10.3390/min13010004 | Journal (article/letter/editorial) | | Branch, Russian Academy of Sciences, 456317 Miass, Russia Institute for Geology and Mineral Resources of...(VNIIOkeangeologia), Angliisky Av. 1, 190121 St. Petersburg, Russia Institute of Earth Sciences, St. Petersburg State...7/9 Universitetskaya Emb., 199034 St. Petersburg, Russia Correspondence: mas@mineralogy.ru Abstract: Halmyrolysis...Cu, Si, Se, P, As) reflects the inclusions of aragonite, opal, atacamite and possibly native selenium...collaboration with VNIIOkeangeologia, St. Petersburg, Russia [45,46]. These fields are located on the eastern |  | | Book | | Mineralogical Museum, RussianAcademyof Science Moscow, 2003 ISBN 5-900395-47-2 NaturalMineralForms...River, Russia. #33434. Photo:Michael B. Leibov Published by OceanPicturesLtd. Box 368 Moscow 103009...103009 Russia Phone/fax: (7-095) 203-3574 E-mail: mi11books@online.ru Web-site: www.webcenter.ru/-minbooks...ru/-minbooks Printedin Russia CONTENTS Foreword Introduction ..................................................of the 27th International Geological Congress in Moscow. The core of the exposition included many new specimens |  | | Journal (article/letter/editorial) | | “Kurchatov Institute”, pl. Akad. Kurchatova 1, Moscow, 123182, Russia Borissiak Paleontological Institute, Russian...Academy of Sciences, ul. Profsoyuznaya 123, Moscow, 117647, Russia Received 15 February 2016; receoved in...Urals 4 Apatite * Slyudyanka, Cisbaikalia 5 Aragonite CaCO3 (rhomb.) Shakh-Tau, Sterlitamak 6 Arfvedsonite...Ul’yanovsk 15 Clay * White Sea Biological Station of Moscow State University, Kandalaksha district, Murmansk...China 43 Phosphorite * Morena, Taldom region, Moscow Region 44 Chrysoberyl BeAl2O4 Malyshev ore |  | | Journal (article/letter/editorial) | | of Oceanology, Russian Academy of Sciences, Moscow, Russia email: lisitzin@okean.ru communication, we...accompa nied by subordinate Mgcalcite (3–6%), aragonite (3–14%), and dolomite (1–3%); two samples taken...revealed that they are entirely composed of pure aragonite, which is characteristic of both shells of living...lowmagnesian calcite (а = 4.956 Å, с = 16.957 Å) and aragonite (83 and 17%, respectively). Smallsized shelly... 3 10 n.d. n.d. 7 3 6 calcite Mgcalcite aragonite dolomite rhodo chrosite kaolinite (n.d.) not |  | | Journal (article/letter/editorial) | | Elena A. Borisova Fersman Mineralogical Museum, Moscow, Russia, elborisminmusfer@mail.ru Rolf Hollerbach...authentically known historical exhibit, the calcite (or aragonite) pseudomorph after the bird's nest, belonged to...The mentioned historical specimen, calcite (or aragonite) pseudomorph after a bird's nest, was more lucky:...term is somewhat wider than what is accepted in Russia and means, particularly, some crust or mineral...University, Germany 115 Fig 1. Calcite (or aragonite) pseudomorph after a bird's nest, 10 cm high, |  | Khrushcheva, Maria O., Dutova, Ekaterina M., Tishin, Platon A., Arkhipov, Alexander L., Nikitenkov, Alexei N., Chernyshov, Alexei I. (2021) Taloe—Sedimentation in an Intermittent Lake (Russian Federation, Republic of Khakassia) Minerals, 11 (5) 522 doi:10.3390/min11050522 | Journal (article/letter/editorial) | | State University, Prospekt Lenina 36, 634050 Tomsk, Russia; tishin_pa@mail.ru (P.A.T.); alexlarhipov@gmail...Polytechnic University, Prospekt Lenina 30, 634050 Tomsk, Russia; dutova@tpu.ru (E.M.D.); corestone@mail.ru (A.N...and geochemical characteristics for each type. In Russia, a striking example of such territories is the...Nikitenkov at Tomsk Polytechnic University, Tomsk, Russia) developed by Bukaty was selected [31–33]. The...is dolomite (up to 5%), analcime (up to 4%), aragonite, pyrite, hematite, thénardite, blödite, wattevillite |  | | Journal (article/letter/editorial) | | a r e of metastable primary minerals such as aragonite, high-magnesian calcite and protodolomite (reviewed...composition of Upper Riphean carbonates documented in Russia reflects global trends in sediment composition...to a few hun- 287 dreds ppm in the series: aragonite-high-magnesian calcite-low-magnesian calcite-dolomite...al., 1980). The diagenetic transformation of aragonite and high-magnesian calcite is accompanied by Sr-removal...higher Sr-content is due to the occurrence of aragonite and high-magnesian calcite as primary mineral |
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