of+coarse+features

  • 131Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …

    Wikipedia

  • 132Clastic dike — Vertical clastic dike, filled with coarse basaltic sand, cuts lighter colored horizontal beds composed of finer grained material. Quarter for scale. A clastic dike is a seam of sedimentary material that fills a crack in and cuts across… …

    Wikipedia