Mineralogy of the Moseley Bed, Middle Eocene, Texas
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Date
2015-10-02
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Abstract
This study examines the mineralogical and chemical composition of the Middle Eocene Moseley unit, a bed within the upper portion of the Stone City Member of the Crockett Formation. The Stone City Member is exposed along the Brazos River near College Station, Texas. The Stone City Member is composed of several major lithologies, of which the Moseley is distinctive in being well cemented. Methods include using a scanning electron microscope (SEM) to make observations on chemical composition and a stereo microscope to make observations on the grain type, sorting, fabric of the sediment, etc. X-ray diffraction is used to determine mineral composition. An understanding of the Moseley bed’s composition allows for a better understanding of the environment during the Middle Eocene, particularly during the Mid-Eocene Climatic Optimum.
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Moseley, Mid-Eocene, siderite, environment, energy