Sentence Examples

  • The geological formations thus exposed show that the plateaus are composed of a base of eruptive material, overlaid by enormous deposits of reddish sandstones, conglomerates and quartzites, exposed in parts to a depth of 2000 feet.
  • The rock formations of the state furnish building stones of great value.
  • The desert was flat, the rock formations and canyons plentiful.
  • The older formations are nearly all overlaid by deposits of the Quaternary period, which will be described last.
  • Wherever stratification is observed in these formations in Mississippi, it shows a dip west and south of 20 or 30 ft.

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