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Blue Circle Industries PLC - Lafarge Quarry

Lafarge Quarry

Lafarge Quarry
Located in Ulster County

Image Courtesy of William Kelly

Type: Quarry.

Features: Much of the Helderberg stratigraphic section is exposed here.

Feature Type: Stratigraphic.

Reference: NYS Geological Association Field Trip Guidebook, 67th Annual Meeting 1995;
Lithofacies and Structure of the Taconic Flysch, Melange, and Allochthon, in the New York Capital District.
For online reference please visit -

Quadrangle: Woodstock.

Reason for Designation: The Helderberg stratigraphic section exposed here can be pieced together using multiple sites elsewhere,
but this is the best for the purpose. The mining company is very cooperative with school groups, primary through colleges.