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