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scoria

NOUN
  1. the scum formed by oxidation at the surface of molten metals

How To Use scoria In A Sentence

  • I could perceive no trace of a metallic vein, so thoroughly had it been worked out, but scattered over the hillside with schist, talcose slate, and fragments of quartz, was a great deal of scoriae, showing that metal of some kind had been excavated, and that the smelting had been done on the spot. Wanderings by southern waters, eastern Aquitaine
  • The crescent-shaped floor of the caldera teems with a network of smaller volcanic mouths, cones, domes, lava channels, dikes, lavas from light felsic flows to viscid red lavas and black obsidian blocks, ochre plains of sandy alluvial deposits and red and black volcanic ejecta, scoria, lapilli and pumice, from a long series of basaltic effusions. Teide National Park, Spain
  • It has a variety of features: several lateral craters, shield volcanoes, scoriae and lava cones, extrusive domes and huge detached rocks. Volcanoes of Kamchatka, Russian Federation
  • In 1752 he became a monk at the monastery of the Escorial, and a year later was admitted to holy orders.
  • Florida levels, still lingers; and presently, amid bits of syenite, volcanic tuff and scoria, she has found this nodule of amygdaloid. Lippincott's Magazine of Popular Literature and Science Volume 12, No. 31, October, 1873
  • Some of these cones are now barely recognisable, having been excavated for the volcanic cinder, scoria, used to build the roads of Auckland.
  • The crescent-shaped floor of the caldera teems with a network of smaller volcanic mouths, cones, domes, lava channels, dikes, lavas from light felsic flows to viscid red lavas and black obsidian blocks, ochre plains of sandy alluvial deposits and red and black volcanic ejecta, scoria, lapilli and pumice, from a long series of basaltic effusions. Teide National Park, Spain
  • There are also calderas, scoriae cones, lava streams, cinder fields, over 160 thermal and mineral springs, geysers, solfataras, mud pots and many other volcanic features. Volcanoes of Kamchatka, Russian Federation
  • Stage 8, Aug. 27: Talavera de la Reina to San Lorenzo de El Escorial, 182km Vuelta a España returns to Basque Country
  • Aug 27, stage eight: Talavera de la Reina - San Lorenzo del Escorial, 183km Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph
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