Liberal Dictionary English Dictionary
trappean adjective
- rare of, relating to, or consisting of igneous rock, esp a basalt
Word Origin for trappean C19: from trap ³ Examples from the Web for trappean Historical Examples of trappean
Such masses are termed trappean agglomerate and trappean breccia.
James Geikie
We first crossed more hills of the trappean conglomerate on which grew ironbark eucalypti and box.
Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2)
Thomas Mitchell
We this day crossed several fine running streams and forests of box and bluegum growing on ridges of trappean conglomerate.
Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2)
Thomas Mitchell
What is the difference between trappean breccia and trappean conglomerate?
James Geikie
They never repose on the volcanic or trappean formations, nor on strata containing organic remains.
A Manual of Elementary Geology
Charles Lyell.