Origin of siliceous
Examples from the Web for 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.
The siliceous bars and beams constituting it are invariably solid, as also in the Nassellaria, never hollow, as in the Phodaria.
A hard mineral of the siliceous family, often cut into seals.
The siliceous bars and beams constituting it are invariably solid (as also in the Spumellaria); never hollow (as in the Phodaria).