Skip to main content

Stockbridge Formation

Stockbridge Formation - Local layers of punky weathering crossbedded quartzose limestone near base (Osf).
State Massachusetts
Name Stockbridge Formation
Geologic age Lower Ordovician
Comments Part of Taconic-Berkshire Zone (Ordovician and Older Rocks) Units Osg and Osf descriptions are combined on printed map; separated them into two descriptions here.
Primary rock type limestone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)Local layers of punky weathering crossbedded quartzose limestone near base.
Map references
Unpublished Digital Geologic Map of Massachusetts received from Rudi Hon at Boston College in 1998.
Unit references
Zen, E-An (ed.), Goldsmith, R. (comp.), Ratcliffe, N.M. (comp.), Robinson, P. (comp.), Stanley, R.S. (comp.), Hatch, N.L., Jr., Shride, A.F., Weed, E.G.A., Wones, D.R., 1983, Bedrock Geologic Map of Massachusetts: U.S. Geological Survey, Reston, VA, scale 1: 250,000.