Travertine nubbins on a bridge

Another in the Geology Of Central Park series…


Plumose structure

Propagation direction: upper left towards lower right:



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:


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…