scoria造句
1, Studying the feasibility of using graphite scoria as filling material of expressway.
2, The eruption opened a 500-meter (2,000-foot) fissure, and also produced lava fountains that built several hills of bubble-filled lava rocks (scoria) along the vent.
3, When lightweight aggregate concrete is prepared, scoria is mixed in as the coarse aggregate. while steel fibers-polypropylene fibers and hybrid fibers are added respectively.
4, The major characteristics of this deposit are well-developed parallel beddings and cross beddings, with the deposit components of basaltic volcanic scoria and basal or wall-rock fragments.
5, There were rocks underfoot and boulders about them, rough to the touch like scoria.
6, Based on the composition and texture differences of the cones, the cones have been subdivided into scoria cone, spatter cone and mixed cone.