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Bull Formation - Zion Hill Quartzite member
Light-greenish-gray to whitish-gray-weathering, massive vitreous quartzite; locally contains quartz-pebble conglomerate and wacke near the base. Unit commonly 5 to 10 m thick but is as much as 65 m thick; occurs as many lenticular quartzites within the Mettawee slate facies in the Bull Formation, not restricted to one horizon. Rocks of the Giddings Brook, Sunset Lake, and Bird Mountain slices. Part of the Taconic Allochthon.
State |
Vermont |
Name |
Bull Formation - Zion Hill Quartzite member |
Geologic age |
Lower Cambrian and Neoproterozoic |
Lithologic constituents |
Major
Metamorphic > Metasedimentary > Metaclastic > QuartziteLight-greenish-gray to whitish-gray-weathering, massive vitreous quartzite.
Minor
Sedimentary > Clastic > Mixed-clastic > Conglomerate-sandstoneLocally contains quartz-pebble conglomerate and wacke near the base.
|
References |
Ratcliffe, N.M., Stanley, R.S., Gale., M.H., Thompson, P.J., and Walsh, G.J., 2011, Bedrock geologic map of Vermont: U.S. Geological Survey Scientific Investigations Map 3184, 3 sheets, scale 1:100,000.
https://pubs.er.usgs.gov/publication/sim3184 |
NGMDB product |
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Counties |
Addison - Rutland
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