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Bear Mountain Chattermarks

Bear Mountain chattermarks

Bear Mountain Chattermarks
Located in Rockland County
Image courtesy of Dr. J Bret Bennington


Type: Park (Public).

Features: Storm King Granite; granite gneiss cut with occasional quartz-filled veins,
migmitite and pegmatite dikes; magnetite ore from hornblendite gabbro veins.

Feature Type: Metamorphic.

Reference: Identified as a site of geologic interest by the NYS Geological Highway Map
(NYS Museum, NYS Geological Survey).

Quadrangle: Popolopen Lake.

Reason for Designation: Identified as a site of geologic interest by the NYS Geological Highway Map
(NYS Museum, NYS Geological Survey).