Slate from Poultney, Vermont
Vermont slates formed 475 million years ago during the Taconic Orogeny, a period of mountain building. Sedimentary rocks, such as shales or siltstones were metamorphosed, and they became slate.
60. Slate
The Museum will be closed for the holidays on December 21, 2024. It will re-open on January 6, 2025.
Slate from Poultney, Vermont
Vermont slates formed 475 million years ago during the Taconic Orogeny, a period of mountain building. Sedimentary rocks, such as shales or siltstones were metamorphosed, and they became slate.