from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Solidifying chiefly as a minor intrusion, especially as a dike or sill, before reaching the earth's surface. Used of rocks.
from The Century Dictionary.
- In petrography, a term applied by Brögger (1894) to igneous rocks intermediate in texture between coarse-grained (abyssal) forms and extrusive lava.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology that
solidifies, as a minor intrusion, before reaching the Earth's surface
Sorry, no etymologies found.
This subsection contains mostly Miocene volcanic rocks, Tertiary subvolcanic (hypabyssal) rocks, and, on San Clemente Island, marine sedimentary rocks of the Franciscan Complex.