Le Roy Quarry (Abandoned)
Le Roy Quarry
Located in Genesee County
Image courtesy of Jorg Maletz and Dr. J Bret Bennington
Type: Quarry (inactive).
Features: Upper Silurian strata: Prominent knobby pinnacles and undercut cavities through the fine-grained dolostones; Bois Blanc; Basal Onondaga unit.
Feature Type: Stratigraphic.
Reference: NYS Geological Association Field Trip Guidebook, 72nd Annual Meeting 2000; Anatomy of a Composite Sequence Boundary: The Silurian-Devonian Contact in Western NYS.
For online reference please visit - www.nysga.net/Guidebooks.html
Quadrangle: Saratoga Springs.
Reason for Designation: Walk across a 490 million year-old fossil (stromatolites) sea floor;
Domed Cyanobacterial Cabbage-head Stromatolites: Hoyt Limestone of Late Cambrian Age.