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Neid Road Quarry (abandoned) - Le Roy

Features of geologic interest at the abandoned LeRoy Quarry

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 -

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.