Yonkers Gneiss
Photographed by Michael P. KlimetzĀ 

DiRienzo Quarry
Yonkers

Westchester County
NEW YORK
Photographed by Charles Merguerian, Hofstra University

Croton Water Treatment Plant

Bronx County
NEW YORK
Photographed by Michael P. Klimetz

[Biotite-Hornblende-Quartz-Feldspar Gneiss]

Middle Proterozoic

DiRienzo Quarry
Fullerton Avenue
Yonkers

Westchester County
NEW YORK
Photographed by Michael P. Klimetz

[Biotite-Hornblende-Quartz-Feldspar Gneiss]

Middle Proterozoic

DiRienzo Quarry
Fullerton Avenue
Yonkers

Westchester County
NEW YORK
Photographed by Michael P. Klimetz

[Biotite-Hornblende-Quartz-Feldspar Gneiss]

Middle Proterozoic

DiRienzo Quarry
Fullerton Avenue
Yonkers

Westchester County
NEW YORK