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Skytop Lane Quarry - Sidney

Skytop Lane Quarry - Plinthite-bearing melanic epipedon (aao) of the Argillic Oxisol

Skytop Lane Quarry - Sidney
Located in Delaware County
Image courtesy of Dan Bishuk, Jon Hairabedian, and James Ebert

Type: Quarry.

Features: Rare argillic & brecciated oxisols; Coastal-margin processes.

Feature Type: Sedimentology.

Reference: NYS Geological Association Field Trip Guidebook, 75th Annual Meeting 2003;
Relationships with Tidally-Influenced Deltaic Deposits in the Sonyea Group (Frasnian) of Northwestern Delaware County, NY.
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Quadrangle: Unadilla.

Reason for Designation: The advanced weathering of the oxisol profile is an indicator of great age,
with a preliminary estimate of 20-4000 thousand years. A depositional hiatus such as this has high value
with regard to paleoenvironmental reconstruction. No examples of paleoso/channel form relationships
of this kind are known to occur in NYS.