Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An igneous rock consisting almost entirely of plagioclase feldspar, especially the labradorite variety.
from The Century Dictionary.
- noun In petrography, a granular or gneissoid igneous rock of eastern Canada, consisting chiefly of the plagioclase feldspar, labradorite.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Petrol.) A granular igneous rock composed almost exclusively of a soda-lime feldspar, usually labradorite.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology A
phaneritic ,intrusive igneous rock characterized by a predominance ofplagioclase feldspar .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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In the southwest the underlying bedrock is granite and gneiss, in the north and east there are magmatic rocks including reddish rapakivi granite, gabbro and anorthosite.
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An anorthosite complex, such as those in Labrador, the Adirondacks, and Niger there's some anorthosite in southern California too.
100 Things You've Done Meme: A Geologist's Version ReBecca Foster 2008
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An anorthosite complex, such as those in Labrador, the Adirondacks, and Niger there's some anorthosite in southern California too.
Archive 2008-12-01 ReBecca Foster 2008
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To be precise, the scientists grew the marigolds in anorthosite, an earthly rock that is chemically very similar to the regolith of the Moon.
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Alternative sources of aluminum might someday include kaolin clay, oil shales, the mineral anorthosite, and even coal waste.
Aluminum 2008
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Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.
First Man James R. Hansen 2005
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Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.
First Man James R. Hansen 2005
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Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.
First Man James R. Hansen 2005
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Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.
First Man James R. Hansen 2005
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Michikamau, a direct distance of twenty miles and was the only anorthosite observed on the journey.
The Long Labrador Trail Dillon Wallace 1901
bilby commented on the word anorthosite
Italian: opposide of the southern side.
March 17, 2018