| Catalan | English |
| arena, sorra | sand A loose material consisting of small mineral particles, or rock and mineral particles, distinguishable by the naked eye; grains vary from almost spherical to angular, with a diameter range from 1/16 to 2 millimeters |
| arena, sorra asfàltica | tar sand A sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores |
| arena, sorra plana | sand flat A sandy tidal flat barren of vegetation. A tidal flat is an extensive, nearly horizontal, marshy or barren tract of land that is alternately covered and uncovered by the tide, and consisting of unconsolidated sediment (mostly mud and sand). It may form the top surface of a deltaic deposit |
| extracció d'arena, de sorra | sand extraction The extraction of sand by mining for building purposes and for the extraction of heavy minerals such as rutile and zircon |
