BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!
Word Origin for trappean
Words nearby trappean
Example sentences from the Web for trappean
The igneous rocks will be described under the various groups of Granitic, Trappean, and Volcanic.Early Days in North Queensland|Edward Palmer
If there be any difference of date, it would seem that the fine-grained granite must be newer than the trappean rocks.
In its course it affords a good exemplification of the passage from the trappean into the plutonic, or highly crystalline texture.
Such masses are termed trappean agglomerate and trappean breccia.Geology|James Geikie
They never repose on the volcanic or trappean formations, nor on strata containing organic remains.