Results for Ichthyolite

Definition of Ichthyolite:
Usage examples for Ichthyolite:
When we reflect on the hundreds of Mollusks, Echinoderms, Trilobites, Corals, and other fossils already obtained from more ancient Silurian formations, Upper, Middle, and Lower, we may well ask whether any set of fossiliferous rocks newer in the series were ever studied with equal diligence, and over so vast an area, without yielding a single ichthyolite The Student's Elements of Geology, - Sir Charles Lyell.

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