ON THE DISTRIBUTION AND SOURCE OF CLAY MINERALS IN SEDIMENTS OF THE PERSIAN GULF

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概要

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• Ten dredge samples and three piston cores collected from the head and the central part of the Persian Gulf were analyzed for clay minerals. Illite plus a random mixed-layer of illite-montmorillonite with approximately 10-20% expandable layer and chlorite are the principal constituents in the clay mineral assemblage. Montmorillonite is distributed widely but less in the amount, and kaolinite is present in the least amount. These clay minerals seem to be of terrigenous origin. There are two possible sources of these clay minerals : the Tigris, Euphrates, and Shatt-Al-Arab Rivers of Iraq which enter into the head of the gulf, and numerous streams flowing the Zagros Mountain area in the coast of Iran. The constancy of the clay mineral composition with depth in each core taken from the head of the gulf suggests that the source areas for the clay mineral have remained unchanged for a long time, probably since the Late-Pleistocene, and changes in the environment have not brought about any diagenetic change in the sediment.

• 日本粘土学会の論文

著者

• Aoki Saburo

  Geotechnical Laboratory National Defense Academy

• OINUMA KAORU

  Natural Science Laboratory, Toyo University

• Oinuma Kaoru

  Natural Science Laboratory Toyo University

関連論文

• THE DISTRIBUTION OF CLAY MINERALS IN SURFACE SEDIMENTS OF THE OKHOTSK SEA TO THE SOUTH CHINA SEA ALONG THE ASIATIC CONTINENT
• ON THE DISTRIBUTION AND SOURCE OF CLAY MINERALS IN SEDIMENTS OF THE PERSIAN GULF
• CLAY MINERAL DISTRIBUTION IN SURFACE SEDIMENTS IN THE SEAS AND OCEAN ALONG THE EASTERN ASIAN CONTINENT, WITH SPECIAL REFERENCE TO THE RELATION TO MORPHOLOGY AND CHEMISTRY
• ALUMINIAN CHLORITE FROM KAMIKITA MINE, JAPAN
• BEHAVIOURS OF CLAY MINERALS IN TREATMENT WITH HYDROCHLORIC ACID, FORMAMIDE AND HYDROGEN PEROXIDE
• Geological Research on the Bottom Sediments Sampled by the Fifth Japanese Antarctic Research Expedition

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