n. (pl. -riae ) 1.【冶金】矿渣；金属渣；铅析(法)渣。 2.【地质学；地理学】〔常 pl.〕火山岩渣，熔岩渣，溶岩灰。 adj. -riaceous
the scum formed by oxidation at the surface of molten metals 同义词：slag, dross,
Scoria is a highly vesicular, dark colored volcanic rock that may or may not contain crystals (phenocrysts). It is typically dark in color (generally dark brown, black or purplish red), and basaltic or andesitic in composition.
您当前位置：