1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. Vermont

Pinnacle Formation - light-gray phyllitic conglomerate member

XML
JSON
Shapefile
Feldspathic biotite phyllitic metawacke interlayered with lenses of quartz, feldspar, and gneiss-pebble to -cobble conglomerate. Cover rocks of the Lincoln Mountain massif and northwestern flank of the Green Mountain massif.
State Vermont
Name Pinnacle Formation - light-gray phyllitic conglomerate member
Geologic age Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeFeldspathic biotite phyllitic metawacke.
Sedimentary > Clastic > Conglomerate (Lens)Lenses of quartz, feldspar, and gneiss-pebble to -cobble conglomerate.
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
Counties Addison - Rutland