siliceous

Historical Examples of siliceous

• Because of their common gangue of quartz these are often called "dry" or "siliceous" ores.

  The Economic Aspect of Geology

  C. K. Leith

• In general, their siliceous shells are firmer and more massive, usually also somewhat larger, but of simpler structure.

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)

  Ernst Haeckel

• The siliceous bars and beams constituting it are invariably solid, as also in the Nassellaria, never hollow, as in the Phodaria.

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)

  Ernst Haeckel

• A hard mineral of the siliceous family, often cut into seals.

  A Dictionary of Arts, Manufactures and Mines

  Andrew Ure

• The siliceous bars and beams constituting it are invariably solid (as also in the Spumellaria); never hollow (as in the Phodaria).

  Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index

  Ernst Haeckel