basement complex
nounGeology.
the undifferentiated assemblage of rock (basement rock ) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
Origin of basement complex
1First recorded in 1895–1900
Words Nearby basement complex
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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