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AccessibilityFort Tryon Park
Geology: Fort Tryon Rocks!
Saturday, January 31, 2026
1:00 p.m.–2:00 p.m.
New York City is the site of ancient earth-shaking and earth-shaping events. The bedrock that anchors the city’s skyscrapers tells a story of a place going back more than a billion years. The island of Manhattan is built on three strata known as Manhattan Schist, Inwood Marble, and Fordham Gneiss.
Location
Cost
Free
Registration
Registration not required.
Event Organizer
NYC Parks Urban Park Rangers
Contact Number
(212) 304-2277
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