Travertine nubbins on a bridge

Another in the Geology Of Central Park series…

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Plumose structure

Propagation direction: upper left towards lower right:

Erratic

!!!

Glacial striations, southern Central Park

New York City has some cool geology: Paleozoic metamorphics scraped by Pleistocene glaciers.

Differential weathering in the Manhattan Schist

S.E. Central Park:

Glittery!

The Manhattan Schist with its well-developed alignment of muscovite mica:

Three small faults

Live geoblogging from the line waiting to get into a museum exhibit…