What does the word sandstone mean?

Usage examples for sandstone

  1. It would be quite impossible for me to give a list of the cave- dwellings in France still inhabited, or occupied till comparatively recent times, they are so numerous and are to be found in every department where is the chalk or the limestone, sandstone or volcanic tufa. – Castles and Cave Dwellings of Europe by Sabine Baring-Gould
  2. Then Hawksworth saw a figure approaching them, gliding noiselessly across the red sandstone pavement of the court. – The Moghul by Thomas Hoover
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