alb3825940

Anorthosite, an intrusive igneous rock

Hand sample of Anorthosite, a plutonic, or intrusive, igneous rock consisting almost entirely of feldspars with minor amounts of quartz. It usually displays a phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.
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Title:
Anorthosite, an intrusive igneous rock
Caption:
Hand sample of Anorthosite, a plutonic, or intrusive, igneous rock consisting almost entirely of feldspars with minor amounts of quartz. It usually displays a phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.
Category:
nature Geology & Fossils
Credit:
Album / Science Source / Mark A. Schneider
Releases:
? Model Release: No - ? Property Release: No
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Image size:
4256 x 2848 px | 34.7 MB
Print size:
36.0 x 24.1 cm | 14.2 x 9.5 in (300 dpi)