Hoosac Formation - dolomite marble member

Light-gray-, cream- or pinkish-gray-weathering, medium- to fine-grained phlogopite-quartz-dolomite marble. Occurs as thin beds in gray albitic granofels member (CZhab); locally contains beds of vitreous to bluish-gray laminated quartzite. Eastern flank of the Green Mountain massif and eastern domes.
State Vermont
Name Hoosac Formation - dolomite marble member
Geologic age Lower Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metacarbonate > MarbleLight-gray-, cream- or pinkish-gray-weathering, medium- to fine-grained phlogopite-quartz-dolomite marble.
Minor
Metamorphic > Metasedimentary > Metaclastic > QuartziteLocally contains beds of vitreous to bluish-gray laminated quartzite.
References
NGMDB product
Counties Bennington - Windham