scoria
noun
the refuse, dross, or slag left after melting or smelting metal; scum.
scoriaceous
-
a word derived from
scoria.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The walls, which were perfectly vertical, and disposed like masonry in a very regular manner, were composed of a brown-colored scoriaceous lava, similar to the light scoriaceous lava of Mt.
From The Exploring Expedition to the Rocky Mountains, Oregon and California To which is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources by John Charles Frémont
The change from ordinary scoriaceous particles to the substance with a semi-resinous fracture, could be clearly followed in portions of the compact tuff of these dikes.
From Volcanic Islands by Charles Darwin
Among the ruins we found a number of broken stone dishes, rudely carved out of soft, highly porous, scoriaceous lava.
From Inca Land Explorations in the Highlands of Peru by Hiram Bingham
Some of the bombs thrown out during recent eruptions of Etna consist of white granular quartz, encased in a black scoriaceous crust, the quartz representing an altered sandstone.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various
Thus, in most cases, a bed of lava is scoriaceous as well below as above.
From Geology by James Geikie
