lignitic
Lig*nit"ic, a. Defn: Containing lignite; resembling, or of the nature of, lignite; as, lignitic clay. Lignitic group. See Laramie group.
Lig*nit"ic, a. Defn: Containing lignite; resembling, or of the nature of, lignite; as, lignitic clay. Lignitic group. See Laramie group.