Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts.
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Abstract
Scale of 1:250,000. The map units are grouped into eight lithotectonic packages. Five "zones" of older rocks that cover the whole state are, from west to east, the Taconic-Berkshire, Rowe-Hawley, Bronson Hill, Nashoba, and Milford-Dedham. In central and western Massachusetts, these zones are overlain by the Connecticut Valley and Merrimack "belts" of Silurian-Devonian, and local Carboniferous, strata; the two belts are distinguished from each other on the basis of the lithofacies of the Silurian strata. In eastern Massachusetts, the Milford-Dedham Zone also includes Silurian-Devonian, Carboniferous, Mesozoic, and Tertiary strata. A Mesozoic "basin" is separately identified in the Connecticut Valley region
Suggested Citation
Hatch, N.L., Zen, E., Goldsmith, R., Ratcliffe, N.M., Robinson, P., Stanley, R.S., Wones, D.R., 1984, Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts.: American Journal of Science, v. 284, no. 9, p. 1026-1034, https://doi.org/10.2475/ajs.284.9.1026.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts. |
| Series title | American Journal of Science |
| DOI | 10.2475/ajs.284.9.1026 |
| Volume | 284 |
| Issue | 9 |
| Year Published | 1984 |
| Language | English |
| Publisher | American Journal of Science |
| Description | 9 p. |
| First page | 1026 |
| Last page | 1034 |
| Country | United States |
| State | Massachusetts |