Travertine nubbins on a bridge

Posted on March 6, 2010 by Callan Bentley

Another in the Geology Of Central Park series…

Filed under: geology, limestone, new york, nyc, sediment | 2 Comments »

Plumose structure

Posted on March 6, 2010 by Callan Bentley

Propagation direction: upper left towards lower right:

Filed under: geology, new york, nyc, structure | Comments Off

Erratic

Posted on March 6, 2010 by Callan Bentley

!!!

Filed under: geology, glacial landforms, new york, nyc, sediment | Comments Off

Glacial striations, southern Central Park

Posted on March 6, 2010 by Callan Bentley

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

Filed under: geology, glacial landforms, metamorphism, new york, nyc, paleozoic, pleistocene | 1 Comment »

Differential weathering in the Manhattan Schist

Posted on March 6, 2010 by Callan Bentley

S.E. Central Park:

Filed under: geology, metamorphism, new york, nyc, paleozoic, weathering | 3 Comments »

Glittery!

Posted on March 6, 2010 by Callan Bentley

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

Filed under: geology, metamorphism, new york, nyc | 2 Comments »

Three small faults

Posted on March 6, 2010 by Callan Bentley

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

Filed under: geology, new york, nyc | Comments Off

The Ghosts of Evolution, by Connie Barlow

Posted on March 6, 2010 by Callan Bentley

Over Snowmageddon, I read Connie Barlow’s book The Ghosts of Evolution: Nonsensical Fruit, Missing Partners, and Other Ecological Anachronisms. [Google Books; Amazon] Barlow isn’t a scientist, but she’s got a scientist in her pocket: Paul Martin of the University of Arizona. In 1982, Martin and Dan Janzen of the University of Pennsylvania published a paper [...]

Filed under: books, evolution, mammals, north america, plants, pleistocene | 3 Comments »

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