State | Massachusetts |
---|---|
Name | Boylston Schist |
Geologic age | Silurian or Ordovician |
Lithologic constituents |
Major
Metamorphic > Metasedimentary > Metaclastic > Phyllitecarbonaceous phyllite and schist, locally sulfidic
Metamorphic > Schist > Calc-silicate-schistcarbonaceous phyllite and schist, locally sulfidic
Minor
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Metamorphic > Metasedimentary > Calc-silicate-rock
|
Comments | Part of Merrimack Belt (Silurian, Devonian and Pennsylvanian Rocks) |
References | |
NGMDB product | |
Counties | Worcester |