Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Massachusetts
| State | Massachusetts |
|---|---|
| Name | Stockbridge Formation |
| Geologic age | Lower Ordovician |
| Original map label | Osf |
| 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| Map references | Unpublished Digital Geologic Map of Massachusetts received from Rudi Hon at Boston College in 1998.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. |
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