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Mineral Resources On-Line Spatial Data

Tertiary sediments

Tertiary sediments - Unconsolidated sand, silt, and clay in discontinuous patches; contains Tertiary fossils; may include Pleistocene sediments (cross section only).
NameTertiary sediments
Geologic ageTertiary
Original map labelT
CommentsPart of Milford-Dedham Zone (Tertiary and Older Rocks)
Primary rock typesand
Secondary rock typesilt
Other rock typesclay or mud
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Unpublished Digital Geologic Map of Massachusetts received from Rudi Hon at Boston College in 1998.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.

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