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Use "unconformably" in a sentence
"Then the edges of the old red sandstone were eaten away by the sea -- and some think by ice too, in some earlier age of ice; and then the limestone coral reef was laid down on them, "unconformably," as geologists say -- just as you saw the new red sandstone laid down on the edges of the limestone; and so one world is built up on the edge of another world, out of its scraps and ruins."
"It is formed by the relatively resistant quartz sandstone of the Middle Proterozoic Kombolgie Formation unconformably overlying less resistant rocks."
"The elliptical 5x7-km mountain consists of submarine and subaerial basaltic lavas and siltstones unconformably overlying Precambrian schists."