Just north of Manhattan’s constant motion, in the quiet woods of Westchester, sits a geological time capsule so old it pre-dates dinosaurs, continents as we know them, and almost everything else on Earth.
It’s a 20-foot-tall, 8.5-ton slab of ancient gneiss resting on a wooded ridge in Rockefeller State Park Preserve — a massive boulder that looks like a glacier hurled it from outer space.
And in a way, it kind of did…