The Utica Slate Formation is examined for its geological and paleontological significance. Henry Marc Ami, a geologist, presents his findings on the Utica Slate, a geological formation known for its distinct characteristics and fossil record. The work details the stratigraphy, lithology, and fossil content of this formation, contributing to the understanding of Paleozoic-era geology in North America.

The Authority Perspective: Henry Marc Ami's "The Utica Slate Formation" is a specialized geological study from 1882. Its value lies in its detailed, primary-source examination of a specific geological unit, likely intended for geologists and paleontologists of the era. The work contributes to the foundational understanding of North American Paleozoic geology and paleontology, offering specific data on stratigraphy and fossil content.