Ferruginous synonyms

These are distinguishable from the grey Chalk coprolites by their brownish ferruginous colour and smooth appearance.

The shapes of these ferruginous sandstones are very fantastic - tubes, hollow spheres, plates, &c., being common.

The soil is composed of red ferruginous kankar, with a stratum of clay in the more elevated parts, covered by a thin layer of vegetable mould, or by recent alluvial deposits.

Cold mineral springs are at Bartfa, with alkaline ferruginous waters; Czigelka, with iodate waters; Parad, with ferruginous and sulphate springs; Koritnicza or Korytnica, with strong iron springs; and the mineral springs of Budapest.

In the Marico district the shales become highly ferruginous and resemble the Hospital Hill slates of the Witwatersrand series.