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Parker Slate

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Black arenaceous slate with dolomite horizons; interbedded dolostone and sandstone breccia in a dolostone matrix; and massive dolostone with thin sandstone beds. Cover rocks of the Saint Albans area.
State Vermont
Name Parker Slate
Geologic age Cambrian
Lithologic constituents
Major
Sedimentary > Clastic > Sedimentary-breccia (Bed)Interbedded dolostone and sandstone breccia in a dolostone matrix.
Sedimentary > Carbonate > Dolostone (Bed)Massive dolostone; black arenaceous slate with dolomite horizons; interbedded dolostone and sandstone breccia in a dolostone matrix.
Metamorphic > Metasedimentary > Metaclastic > SlateBlack arenaceous slate with dolomite horizons.
Minor
Sedimentary > Clastic > Sandstone (Bed)Thin sandstone beds; sandstone breccia.
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 Chittenden - Franklin