Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts.
American Journal of Science
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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
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 |