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Lithologic classification of geologic map units
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Plutonic rock
Gabbroid
A plutonic rock with Q < 20% or F < 10%, P/(A+P) > 65%, and pl/(pl+px+ol) between 10 and 90%.
Subtopics
Anorthosite
Gabbro
Monzogabbro
Quartz gabbro
Quartz monzogabbro
See also