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Ripple marks as indicators of Late Ordovician sedimentary environments in Northwest Estonia
ripple marks Upper Ordovician Estonia
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2009/10/21
Late Ordovician sedimentary environments promoting the development of ripple marks in shallow shelf carbonate deposits of northern Estonia are analysed. Ripple marks are described using different para...
Palygorskite in Miocene rocks of northern Iraq:environmental and geochemical indicators
Palygorskite Authigenesis Miocene Iraq
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2009/10/20
Al-Juboury, A. 2009. Palygorskite in Miocene rocks of northern Iraq: environmental and geochemical indicators.Acta Geologica Polonica, 59 (2), 269–282. Warszawa.the mineralogical characteristics of pa...
Mineral-Chemical Constraints on the Miocene Calc-alkaline and Shoshonitic Volcanic Rocks of Western Turkey: Disequilibrium Phenocryst Assemblages as Indicators of Magma Storage and Mixing Conditions
western Anatolia magma evolution magma mixing compositional zoning disequilibrium parameters crustal magma chambers
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2009/7/7
Early to Middle Miocene (22 to 15 Ma) volcanic activity across western Turkey produced a series of lavas and pyroclastic deposits with calc-alkaline and shoshonitic affinities. The erupted magmas show...
Anomalous Strong Reflections on High Resolution Seismic Data from the Turkish Shelf of the Eastern Black Sea: Possible Indicators of Shallow Hydrogen Sulphide-Rich Gas Hydrate Layers
Black Sea gas hydrate hydrogen sulphide high-resolution acoustic methods
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2009/7/7
Some strong reflections about 3 to 5 m thick were observed at depths of 25-60 metres below the sea floor using deep-towed, 5 kHz subbottom profiler data in the Turkish shelf and upper slope of the Ea...
Palygorskite in Miocene rocks of northern Iraq:environmental and geochemical indicators
Palygorskite Authigenesis Miocene Iraq
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2011/11/4
the mineralogical characteristics of palygorskite from the Lower Miocene Euphrates Formation and the Middle Miocene Fat’ha (Lower Fars) succession in north and northwestern Iraq were studied by X-ray ...
Paleoenvironmental Indicators of Clay Minerals in Miocene Sediments, Northern Iraq
Clay Mineralogys Miocene Sediments Palygorskite Kaolinite
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2011/11/7
Clay mineralogy of the Miocene successions taken from northern Iraq constitute an important paleoenvironmental indication for the evolution of these sediments. Palygorskite is a common mineral especia...
Authigenic Kaolinite and Dickite Associated with Metal Sulfides—Probable Indicators of a Regional Thermal Event
Dickite Kaolinite Metallic ores Morphology Regional thermal event
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2012/1/9
Authigenic, well-crystallized kaolinite and dickite occur within sulfide mineral deposits (minesize to hand-specimen size occurrences) of the Mississippi Valley type in Arkansas, Kansas, Missouri, Iow...
Clay Minerals as Indicators of Sediment Source in Tidal Estuaries of Long Island Sound
Clay Sediment Sedimentation Soil
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2012/2/10
Clay minerals were used as indicators for determining the source of sediment in recently dredged harbors along the north shore of Long Island Sound. Amount and characteristics of clay minerals in sedi...