D E C banner
D E C banner


The New York State Department of Environmental Conservation has added a link to a translation service developed by Microsoft Inc., entitled Bing Translator, as a convenience to visitors to the DEC website who speak languages other than English.

Additional information can be found at DEC's Language Assistance Page.

Cannan Road - East Martinsburg

Caanan Road - Middle Ordovician spheroidal weathering preserved in middle Proterozoic feldspathic gneiss located structurally below the Knox Unconformity

Cannan Road - East Martinsburg
Located in Lewis County
Image courtesy of Robert Darling

Type: Stream side.

Features: Knox unconformity; Middle Ordovician; spheroidal weathering preserved in the feldspathic
gneiss indicates a tropical environment.

Feature Type: Stratigraphic.

Reference: NYS Geological Association Field Trip Guidebook, 72nd Annual Meeting 2000;
Survey of the Geology of the Northwestern Adirondack Mountains and Black River Valley.
For online reference please visit - www.nysga.net/Guidebooks.html

Quadrangle: Glenfield.

Reason for Designation: Knox Unconformity is well exposed and the preserved evidence of
middle Ordovician spheroidal weathering is unique in NYS.