Search Results - "Drits, Victor A"

Structure of Synthetic K-rich Birnessite Obtained by High-Temperature Decomposition of KMnO4. I. Two-Layer Polytype from 800 °C Experiment by Gaillot, Anne-Claire, Flot, David, Drits, Victor A, Manceau, Alain, Burghammer, Manfred, Lanson, Bruno

“…The structure of a synthetic potassium birnessite (KBi) obtained as a finely dispersed powder by thermal decomposition of KMnO4 at 800 °C was for the first…”
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New Insights on the Distribution of Interlayer Water in Bi-Hydrated Smectite from X-ray Diffraction Profile Modeling of 00l Reflections by Ferrage, Eric, Lanson, Bruno, Malikova, Natalie, Plançon, Alain, Sakharov, Boris A, Drits, Victor A

“…The interlayer configuration proposed by Moore and Reynolds (X-ray Diffraction and the Identification and Analysis of Clay Minerals; Oxford University Press: …”
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The nature of structure-bonded H2O in illite and leucophyllite from dehydration and dehydroxylation experiments by Drits, Victor A, McCarty, Douglas K

“…Thermogravimetric analysis combined with mass spectrometry was used to study H2O bound to samples of illite-1M, illite-2M2 and leucophyllite-1M. Samples were…”
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Structure of Birnessite Obtained from Decomposition of Permanganate under Soft Hydrothermal Conditions. 1. Chemical and Structural Evolution as a Function of Temperature by Gaillot, Anne-Claire, Lanson, Bruno, Drits, Victor A

“…The structure of a synthetic K-rich birnessite (KBi) prepared by hydrothermally reacting (4 days at 170 °C) a finely ground KMnO4 powder in acidified water was…”
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Structures of the 2:1 layers of pyrophyllite and talc by Drits, Victor A, Guggenheim, Stephen, Zviagina, Bella B, Kogure, Toshihiro

“…To determine the relationships between the symmetry of the overall pyrophyllite and talc structure and the symmetry of individual layers, the geometry and…”
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Quantitative x-ray diffraction analysis of clay-bearing rocks from random preparations by Środoń, Jan, Drits, Victor A, McCarty, Douglas K, Hsieh, Jean C. C, Eberl, Dennis D

“…An internal standard X-ray diffraction (XRD) analysis technique permits reproducible and accurate calculation of the mineral contents of rocks, including the…”
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Structural change in celadonite and cis-vacant illite by electron radiation in TEM by Kogure, Toshihiro, Drits, Victor A

“…High-resolution transmission electron microscopy (HRTEM) images of two dioctahedral micas, celadonite and cis-vacant (cν) illite, were examined in detail to…”
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Early clay diagenesis in Gulf Coast sediments; new insights from XRD profile modeling by McCarty, Douglas K, Sakharov, Boris A, Drits, Victor A

“…Samples from different depths in the Oligocene Frio formation (offshore Gulf of Mexico) were studied by X-ray diffraction (XRD), thermal analyses, and scanning…”
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Distinguishing Features and Identification Criteria for K-Dioctahedral 1M Micas (Illite-Aluminoceladonite and Illite-Glauconite-Celadonite Series) from Middle-Infrared Spectroscopy Data by Bella B. Zviagina, Victor A. Drits, Olga V. Dorzhieva

“…A representative collection of K-dioctahedral 1M micas ranging in composition from (Mg, Fe)-poor illites to aluminoceladonites through Mg-rich illites (Fe-poor…”
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Structure of Synthetic K-Rich Birnessites Obtained by High-Temperature Decomposition of KMnO4. 2. Phase and Structural Heterogeneities by Gaillot, Anne-Claire, Drits, Victor A, Plançon, Alain, Lanson, Bruno

“…Synthetic K-rich birnessites (KBi) were prepared from the thermal decomposition of a fine-grained KMnO4 powder heated in an air atmosphere at temperatures…”
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Clay minerals in the Meuse-Haute Marne underground laboratory (France); possible influence of organic matter on clay mineral evolution by Claret, Francis, Sakharov, Boris A, Drits, Victor A, Velde, Bruce, Meunier, Alain, Griffault, Lise, Lanson, Bruno

“…A clay-rich Callovo-Oxfordian sedimentary formation was selected in the eastern Paris Basin (MHM site) to host an underground laboratory dedicated to the…”
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POLYMORPH AND POLYTYPE IDENTIFICATION FROM INDIVIDUAL MICA PARTICLES USING SELECTED AREA ELECTRON DIFFRACTION by Gaillot, Anne-Claire, Drits, Victor A., Lanson, Bruno

“…Dioctahedral micas are composed of two tetrahedral sheets and one octahedral sheet to form TOT or 2:1 layers. These minerals are widespread and occur with…”
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NEW INSIGHT INTO THE RELATIONSHIPS BETWEEN STRUCTURAL AND FTIR SPECTROSCOPIC FEATURES OF KAOLINITES by Drits, Victor A., Zviagina, Bella B., Sakharov, Boris A., Dorzhieva, Olga V., Savichev, Aleksandr T.

“…To resolve the existing ambiguities in the interpretation of the OH-stretching vibrations of kaolinites, relationships were, for the first time, established…”
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Polytype and polymorph identification of finely divided aluminous dioctahedral mica individual crystals with SAED. Kinematical and dynamical electron diffraction by Gaillot, Anne-Claire, Drits, Victor A., Veblen, David R., Lanson, Bruno

“…This work investigates the potential of selected-area electron diffraction (SAED) for the polytype and polymorph identification of finely divided K-bearing…”
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Crystal-chemical regularities and identification criteria in Fe-bearing, K-dioctahedral 1M micas from X-ray diffraction and infrared spectroscopy data by Zviagina, Bella B, Drits, Victor A, Sakharov, Boris A, Ivanovskaya, Tatiana A, Dorzhibva, Olga V, McCarty, Douglas K

“…Iron-bearing K-dioctahedral 1M and 1Md micas are abundant in diverse geological environments and vary in composition from illite to celadonite through…”
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Structure of the synthetic K-rich phyllomanganate birnessite obtained by high-temperature decomposition of KMnO4 substructures of K-rich birnessite from 1000 °C experiment by GAILLOT, Anne-Claire, DRITS, Victor A, MANCEAU, Alain, LANSON, Bruno

“…The structure of a synthetic potassium-rich birnessite prepared from the thermal decomposition of KMnO4 at 1000°C in air has been refined by Rietveld analysis…”
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Structure of heavy metal sorbed birnessite. Part III: Results from powder and polarized extended X-ray absorption fine structure spectroscopy by Manceau, Alain, Lanson, Bruno, Drits, Victor A.

“…The local structures of divalent Zn, Cu, and Pb sorbed on the phyllomanganate birnessite (Bi) have been studied by powder and polarized extended X-ray…”
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Trans-vacant and CIS-vacant 2:1 layer silicates; structural features, identification, and occurrence by Drits, Victor A, Zviagina, Bella B

“…A comprehensive study of clay minerals should include determination of the vacancy pattern of the dioctahedral sheet. The purpose of this report is to consider…”
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Heterogeneous mixed-layer clays from the Cretaceous Greensand, Isle of Wight, southern England by McCarty, Douglas K., Drits, Victor A., Sakharov, Boris, Zviagina, Bella B., Ruffell, Alastair, Wach, Grant

“…The sea-cliffs of the Isle of Wight were deposited during a period of overall sea-level rise starting in the Barremian (Lower Cretaceous) and continuing into…”
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The illite-aluminoceladonite series; distinguishing features and identification criteria from X-ray diffraction and infrared spectroscopy data by Zviagina, Bella B, Drits, Victor A, Srodon, Jan, McCarty, Douglas K, Dorzhieva, Olga V

“…Al-rich K-dioctahedral 1M and 1Md micas are abundant in sedimentary rocks and form a continuous compositional series from (Mg,Fe)-poor illite to…”
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