Belvidere Mountain Structural Complex - spangly schist

Silvery-blue, medium-grained tectonic mélange composed of muscovite schist with minor amounts of chlorite, epidote, albite, and tourmaline; contains fragments and discontinuous lenses of greenstone, coarse-grained amphibolite, and talc phyllite. Rocks of the Early to Late Taconic Accreted Terrane of the Rowe-Hawley Zone. Eastern allochthonous sequence, oceanic and accretionary realm, ultramafic inclusions, volcanic-arc intrusives, and volcanic rocks.
State Vermont
Name Belvidere Mountain Structural Complex - spangly schist
Geologic age Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Schist > Mica-schist > Muscovite-schistSilvery-blue, medium-grained tectonic mélange composed of muscovite schist with minor amounts of chlorite, epidote, albite, and tourmaline.
Minor
Metamorphic > Metaigneous > GreenstoneContains fragments and discontinuous lenses of greenstone, coarse-grained amphibolite, and talc phyllite.
Metamorphic > AmphiboliteContains fragments and discontinuous lenses of greenstone, coarse-grained amphibolite, and talc phyllite.
Metamorphic > Metasedimentary > Metaclastic > PhylliteContains fragments and discontinuous lenses of greenstone, coarse-grained amphibolite, and talc phyllite.
References
NGMDB product
Counties Lamoille