Abstract
DR. STROHECKER, of Frankfort, has carefully examined and analysed the clay which is found in the neighbourhood of Hainstadt, near Seeligenstadt, and he has made the remarkable discovery that this clay, which has been largely used for building purposes, contains considerable quantities of some of the rare metals, and more especially cerium. The beds are extensive, and consist of layers differing considerably in appearance and composition.
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Remarkable Discovery of Rare Metals in Diluvial Clays 1 . Nature 33, 461–462 (1886). https://doi.org/10.1038/033461e0
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DOI: https://doi.org/10.1038/033461e0