Cram Hill Formation - quartzite and quartz-pebble conglomerate member

Tan- to gray-weathering, quartz-pebble and -cobble conglomerate, feldspathic quartzite and associated slabby, rusty-weathering amphibolite and coticule. Part of the metasedimentary host rocks of the North River Igneous Suite. Cram Hill Formation: western part of the Cram Hill Formation is in part correlative with Whetstone Hill Member of the Moretown Formation. 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 Cram Hill Formation - quartzite and quartz-pebble conglomerate member
Geologic age Middle? and Early Ordovician
Lithologic constituents
Major
Sedimentary > Clastic > ConglomerateTan- to gray-weathering, quartz-pebble and -cobble conglomerate.
Metamorphic > Metasedimentary > Metaclastic > QuartziteFeldspathic quartzite.
Minor
Metamorphic > AmphiboliteAssociated slabby, rusty-weathering amphibolite and coticule.
References
NGMDB product
Counties Washington - Windham - Windsor