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Chemical/Geochemical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin,Nigeria
Chemical Geochemical Characterization Clays Clay Minerals Share Area Bida Sedimentary Basin
2012/3/14
Chemical/Geochemical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin,Nigeria.
Mineralogical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin, Nigeria
Mineralogical Characterization Clays Clay Minerals Share Area Bida Sedimentary Basin
2012/3/14
Mineralogical Characterization of Clays and Clay Minerals in Share Area, Bida Sedimentary Basin, Nigeria.
Correlation of the clay mineral distributions in the sedimentary rocks of south and western Zagros, Iran
chlorite palygorskite kaolinite clay mineral distributions
2011/11/8
Clay minerals of calcareous sedimentary rocks of south (Fars and Kuhgiluyeh Boyerahmad Provinces) and western Iran (Kurdestan Province) as a part of the old Tethys area were investigated in order to c...
Distribution and Origin of Clay Minerals in Konya Neogene Sedimentary Basin, Central Anatolia, Turkey
clay minerals Konya lacustrine environment Neogene Turkey
2011/11/10
Abstract: Neogene sediments having both fluvial and lacustrine characteristics are widespread in the Konya region of central Anatolia. The fluvial units are typically green in colour and thick at the ...
Authigenic Phyllosilicates in the Middle Triassic Kremikovtsi Sedimentary Exhalative Siderite Iron Formation, Western Balkan, Bulgaria
Barite Berthierine Carbonate-hosted Chamosite Illite-smectite Iron Formation Kaolinite SEDEX Siderite
2011/12/5
Abstract: Two distinct assemblages of authigenic phyllosilicates were distinguished in the Kremikovtsi sedimentary exhalative (SEDEX) siderite iron formation (SIF) and noted as important tracers of tw...
Detrital Origin of a Sedimentary Fill, Lechuguilla Cave, Guadalupe Mountains, New Mexico
Caves Cave Sediments Lechuguilla Cave
2011/12/6
Abstract: Lechuguilla Cave is a hypogene cave formed by oxidation of ascending hydrogen sulfide from the Delaware Basin. A unique sediment deposit with characteristics suggesting derivation from the l...
Late-Stage Diagenesis of Illitic Clay Minerals as Seen by Decomposition of X-ray Diffraction Patterns: Contrasted Behaviors of Sedimentary Basins with Different Burial Histories
Clay Minerals Decomposition Diagenesis Illite Illite-Smectite Mixed Layering X-ray Powder Diffraction
2011/12/2
Abstract: The smectite-to-illite diagenetic transformation has been documented in 5 different sedimentary basins using X-ray diffraction (XRD). Intermediate reaction products coexisting because of the...
Frio Shale Mineralogy and the Stoichiometry of the Smectite-to-Illite Reaction: The Most Important Reaction in Clastic Sedimentary Diagenesis
Diagenesis Illite-Smectite Mass Balance Mineralogy Shale
2011/12/22
Abstract: Burial diagenesis of shales of the Frio Formation resulted in an increase in the abundance of mixed-layer illite-smectite (I-S), albite and chlorite, and a decrease in the abundance of K-fel...
Comparison of the Mineralogical and Chemical Composition of 2 Shales from the Western Canada Sedimentary Basin and the United States Gulf Coast
Deposition Diagenesis Geochemistry Mineralogy Mixed-Layer Illite/Smectite Oxygen Isotopes
2011/12/9
Abstract: The mineralogy and geochemistry of shales reflect the composition of the initially deposited precursor mud, subsequently modified by diagenetic processes. To see if significant geochemical d...
Evolution of compositional polarity and zoning in tourmaline during prograde metamorphism of sedimentary rocks in the Swiss Central Alps
Evolution polarity zoning tourmaline metamorphism sedimentary rocks Swiss Central Alps
2012/4/6
Thecompositional evolution oftourmaline from diageneticto lower amphibolite-facies conditions wasinvestigated in two metasedimentary units (redbed and black shale for-mations)alongatraverse across the...
Comparison of Pedogenic and Sedimentary Greigite by X-ray Diffraction and Mossbauer Spectroscopy
Greigite Mossbauer Sediment Soil XRD
2011/12/29
Greigites from a gley and a Tertiary sediment were investigated by X-ray diffraction and Mössbauer spectroscopy. The cell-edge length a of 9.8639 Å ± 0.0003 Å for the soil greigite wa...
Sedimentary Structure in Gray Kaolins of Georgia
Gray kaolin Kaolinite Sedimentary structure X-ray radiography
2011/12/31
One Tertiary and two Cretaceous gray kaolin sites in Georgia were examined using X-ray radiography of core sections to determine the processes of formation of the deposits. The Tertiary kaolin was oxi...
Smectite-to-Illite Conversion in a Geothermally and Lithologically Complex Permian Sedimentary Sequence
Burial diagenesis Contact metamorphism Lithology Paleotemperature Vitrinite reflectance
2011/12/1
The <0.5-祄 fraction of 120 samples from a lithologically complex Permian sedimentary sequence, underlying dolerite intrusive sheets, has been characterized by means of X-ray diffraction to establish I...
Compositional and Structural Variations in the Size Fractions of a Sedimentary and a Hydrothermal Kaolin
Dickite Halloysite Infrared spectroscopy Kaolinite Particle size Thermal analysis Scanning electron microscopy X-ray powder diffraction
2012/1/11
The 16-8-, 8-5-, 5-2-, 2-1-, 1-0.5-, 0.5-0.3-, 0.3-0.1-, and <0.1-祄 size fractions were centrifuged from a Georgia (U.S.A.) sedimentary kaolin and a hydrothermal kaolin from the Sasso mine (Italy) and...
Quantitative Clay Mineralogical Analyses from the Bulk Chemistry of Sedimentary Rocks
Mudstones Sedimentary
2012/2/10
A technique suitable for computer application has been developed whereby whole rock major element analyses are corrected for X-ray detectable nonclay minerals and used to set up simultaneous equations...