Arkansas Novaculite

ARDMORE-SHERMAN- Shale, black, cherty, with much novaculite; thickness, 230 to375 feet. Occurs in the OUACHITA MNTS.
State Oklahoma
Name Arkansas Novaculite
Geologic age Late Devonian
Lithologic constituents
Sedimentary > Chemical > Novaculite (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments Novaculite refers to a dense cryptocrystalline siliceous sediment similar to chert but characterized by dominance of microcrystalline quartz over chalcedony-distinquished by polygonal triple-point texture.
NGMDB product
Counties Atoka