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Thesaurus: trenton period
A subdivision in the lower Silurian system of America; -- so named from Trenton Falls, in New York. The rocks are mostly limestones, and the period is divided into the Trenton, Utica, and Cincinnati epochs. See the Chart…
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- A subdivision in the lower Silurian system of America; -- so named from Trenton Falls, in New York. The rocks are mostly limestones, and the period is divided into the Trenton, Utica, and Cincinnati epochs. See the Chart of Geology.
- A subdivision in the lower Silurian system of America; -- so named from Trenton Falls, in New York. The rocks are mostly limestones, and the period is divided into the Trenton, Utica, and Cincinnati epochs. See the Chart of Geology.
- A subdivision in the lower Silurian system of America; -- sonamed from Trenton Falls, in New York. The rocks are mostlylimestones, and the period is divided into the Trenton, Utica, andCincinnati epochs. See the Chart of Geology.