calcareous nodule वाक्य

उदाहरण वाक्य

1. Discrete bands of phosphatic nodules ( commonly preserving fossils ), some pyrite and calcareous nodules.
2. The unit contains calcareous nodules of varying sizes as well as poorly indurated " conglomerate " with vertebrate fossils.
3. This is due to the presence of calcareous nodules in the loess, which are white / whitish-grey and stand out against the light yellow colour of the loess sediments.
4. At the base of the deposit, these sandstones are reddish brown, very micaceous and shaley, sometimes containing calcareous nodules, ferruginous concretions and vegetable wax; above, they are gray and quartziferous.
5. During the Rhuddanian ( Silurian ) initially 20 m of quartzitic rocks, the Bar Quartzite, were deposited followed by 50 to 250 m of dark, Ludlow ), the shales incorporate calcareous horizons and calcareous nodules ( with conodonts, nautiloids, bivalves, crinoids, and ostracods ).