1) Plutonic rock
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https://www.crosswordclues.com/clue/anorthosite
Anorthosite t is a phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar (90–100%), and a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most commonly present. Anorthosite on Earth can be divided into two types: Proterozoic anorthosite (also known as massi...
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http://en.wikipedia.org/wiki/Anorthosite
• (n.) A granular igneous rock composed almost exclusively of a soda-lime feldspar, usually labradorite.
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http://thinkexist.com/dictionary/meaning/anorthosite/
A plutonic rock composed almost entirely of plagioclase, which is usually labradorite.
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http://www.australian-shares.com/glossary-of-terms.php.html
type of intrusive igneous rock composed predominantly of calcium-rich plagioclase feldspar. All anorthosites found on Earth consist of coarse ... [5 related articles]
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http://www.britannica.com/eb/a-z/a/79
Lunar anorthosite, Apollo 16 Image credit: NASA A coarse-grained igneous rock made largely of plagioclase feldspar (95%), with small amounts of pyroxene (4%), olivine, and iron oxides. Anorthosite makes up about 60% of Earth's crust. It was found in all the rocks returned from the Moon, includ...
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http://www.daviddarling.info/encyclopedia/A/anorthosite.html
A·nor'tho·site noun [ French
anorthose triclinic feldspar (fr. Greek ... priv. + ... straight) +
-ite .]
(Petrol.) A granular igneous rock composed almost exclusively of a soda-lime feldspar, usually labradorite.
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http://www.encyclo.co.uk/webster/A/89
A coarse-grained intrusive igneous rock composed primarily of calcium-rich plagioclase feldspar.
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http://www.evcforum.net/WebPages/Glossary_Geology.html
An igneous rock predominantly composed of plagioclase feldspar (90
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http://www.scientificpsychic.com/etc/geology-glossary.html
An usually dark-colored igneous rock consisting mostly or entirely of calcic plagioclase.
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http://www.selectstone.com/architectural-resources/stone-glossary/
A type of igneous rock composed almost entirely of feldspar, a group of minerals that make up about 60% of the Earth's crust.
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https://pds.jpl.nasa.gov/planets/special/glossary.htm
Anorthosite is a plutonic igneous rock, primarily consisting of plagioclase feldspars with no more than 10% of mafic components such as ilmenite , olivene , magnetite or pyroxene .
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https://www.encyclo.co.uk/local/23719
a granular plutonic rock composed largely of labradorite or a more calcic feldspar.
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https://www.infoplease.com/dictionary/anorthosite
No exact match found.
