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Red arkosic conglomerate, sandstone, and siltstone

Red arkosic conglomerate, sandstone, and siltstone - In Essex County.
State Massachusetts
Name Red arkosic conglomerate, sandstone, and siltstone
Geologic age Upper Triassic
Comments Part of Milford-Dedham Zone (Tertiary and Older Rocks)
Primary rock type conglomerate
Secondary rock type sandstone
Other rock types siltstone
Lithologic constituents
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Unpublished Digital Geologic Map of Massachusetts received from Rudi Hon at Boston College in 1998.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.
Counties Essex