What is the Palisades Sill?
Q: What is the Palisades Sill?
A: The Palisades Sill is a Triassic intrusion that runs through parts of New York and New Jersey.
Q: When was the Palisades Sill formed?
A: The Palisades Sill was formed 200 million years ago.
Q: What is noteworthy about the Palisades Sill?
A: The Palisades Sill is noteworthy for The Palisades, cliffs which rise steeply above the western bank of the Hudson River.
Q: Who is interested in the Palisades Sill?
A: The visibility of the sill, and its unique features, have got much attention from nature enthusiasts, rock climbers, and geologists.
Q: What are The Palisades?
A: The Palisades are cliffs which rise steeply above the western bank of the Hudson River.
Q: What is an intrusion?
A: An intrusion is a geological formation in which molten rock (magma) from inside the Earth's crust is injected into pre-existing rock formations.
Q: How old is the Palisades Sill?
A: The Palisades Sill is 200 million years old.
