from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of igneous and metamorphic rocks found within the continental crust, thought to be formed by the uplift of oceanic crust and mantle into the continental crust.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an assemblage of mafic and ultramafic rock fragments of the ocean lithosphere that has been tectonically moved onto a continental margin or island
from The Century Dictionary and Cyclopedia
- n. A name given by Brongniart to one of the rocks designated in Italy as gabbro, which consists of serpentine with included segregations of diallage.
The bedrock on the hill is rocky ophiolite, which is very susceptible to erosion by rain and frost, so a large-scale conservation is very much needed.
Just below the plinth of the stage, one immediately discovered a very compact layer of ophiolite, which is probably the natural bedrock.
Igneous and metamorphic petrology of lavas and dykes of the Macquarie Island ophiolite complex.
The Macquarie Island ophiolite complex: mid-tertiary oceanic lithosphere from a major ocean basin.
Four types of igneous rock are evident: ultrabasic, basic, intermediate acid and alkali rock as well as fairly developed ophiolite, in association with deep-water silicalite.
Except in gullies (wadis), the areas of ophiolite support little vegetation.
The early Imperial (?) kiln dug into the ophiolite
In most of the area, we quickly reached the natural bedrock of ophiolite.
This layer consisted of a refill of weathered ophiolite, small limestone rubble and - rather remarkably - fragments from exclusively roof tiles.
Pillow textures preserved in an ophiolite sequence near the Saglassos excavation site
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