chert
noun
a compact rock consisting essentially of microcrystalline quartz.
cherty
-
a word derived from
chert.
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.
Small round cherty boulders, frequently used in chipping for flints, but in this instance they seem to have been used as hammers.
Half of a cherty water-worn boulder from which flakes for flints have been chipped.
The summits of these plateaus are of cherty limestone.
From Canyons of the Colorado by John Wesley Powell
The arenacious and cherty varieties frequently occur in the same bed; sometimes they form distinct beds.
From Narrative of a Second Expedition to the Shores of the Polar Sea by John Franklin
Rudely shaped, of hard cherty rock, flat on the inner face, convex on the back.
