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The Red Rocks

Abstract

IF the peroxide of iron was deposited (as in the Swedish lakes) as brown hydrous peroxide, and if long boiling in the laboratory may be considered analogous to evaporation in an inland sea, then it would appear from the following extract from Watts's “Dictionary of Chemistry” that there is no difficulty in accounting for the colour of the red rocks:—

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P., R. The Red Rocks. Nature 6, 242 (1872). https://doi.org/10.1038/006242c0

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