Palisades Sill

The Palisades Sill is a Triassic, 200 Ma diabase intrusion. It extends through portions of New York and New Jersey. It is most noteworthy for The Palisades, the cliffs that rise steeply above the western bank of the Hudson River. The ideal location and accessibility of the sill, as well as its unique features, have generated much attention from nature enthusiasts, rock climbers, and geologists alike.

Read more about Palisades Sill:  Location, Geology, Origin, See Also

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Palisades Sill - See Also
... Diabase Igneous differentiation Sill (geology). ...

Famous quotes containing the word sill:

    Still grows the vivacious lilac a generation after the door and lintel and the sill are gone, unfolding its sweet-scented flowers each spring, to be plucked by the musing traveller; planted and tended once by children’s hands, in front-yard plots,—now standing by wall-sides in retired pastures, and giving place to new-rising forests;Mthe last of that stirp, sole survivor of that family.
    Henry David Thoreau (1817–1862)