Shuttle Meadow Formation

Reddish-brown to pale red arkosic sandstone and siltstone, and gray sandstone, gray mudstone, and black shale; interpreted as lake beds. The Shuttle Meadow Formation is assigned to Newark Supergroup and is extended into MA in the Hartford basin. It consists of sandstone strata containing one interval of gray mudstone beds. The unit grades eastward along strike into a conglomeratic facies. It overlies the New Haven Arkose or Hitchcock Volcanics and underlies the Holyoke Basalt (Robinson and Luttrell, 1985).
State Massachusetts
Name Shuttle Meadow Formation
Geologic age Lower Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Siltstone (Bed, Arkosic)
Sedimentary > Clastic > Sandstone (Bed, Arkosic)gray sandstone and arkosic sandstone
Minor
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Comments Part of Mesozoic Basins (Jurassic and Triassic Rocks); Sedimentary and Volcanic Rocks of Hartford Basin. Secondary unit description per MA003.
References
NGMDB product
Counties Hampden - Hampshire