trappean
Britishadjective
Etymology
Origin of trappean
C19: from trap ³
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.
We first crossed more hills of the trappean conglomerate on which grew ironbark eucalypti and box.
From Three Expeditions into the Interior of Eastern Australia, Volume 2 by Mitchell, Thomas
If the term "overlying" can in this instance be applied to a Plutonic rock, it is only in proportion as that rock begins to acquire a trappean aspect.
From The Student's Elements of Geology by Lyell, Charles, Sir
Dikes are frequent in the metamorphic schists of the Chonos Islands, and seem feebly to represent that great band of trappean and ancient volcanic rocks on the south-western coast of Tierra del Fuego.
From Geological Observations on South America by Darwin, Charles
The two principal families of trappean or volcanic rocks are the basalts and the trachytes, which differ chiefly from each other in the quantity of silica which they contain.
From The Student's Elements of Geology by Lyell, Charles, Sir
Westward of this main range, the metamorphic schists are foliated, though less plainly, in the same direction, which is likewise common to the zone of old erupted trappean rocks, forming the outermost islets.
From Geological Observations on South America by Darwin, Charles
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
