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Pronunciation varies by accent · noun
(mineralogy) A black, basaltic igneous rock consisting of a ground mass of automorphic augite and magnetite with many embedded phenocrysts, usually of olivine..
It resembles the analcite basalts of the Highwood Mountains, in Montana, and the monchiquites of Brazil.
Seven samples from monchiquite dykes analysed chemically by Upton et al. (1992), including trace elements and, for three rocks, Sr and Nd isotope data, were classified on chemical grounds as olivine melanephelinite […]
Use monchiquite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Monchiquite means (mineralogy) A black, basaltic igneous rock consisting of a ground mass of automorphic augite and magnetite with many embedded phenocrysts, usually of olivine..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
It resembles the analcite basalts of the Highwood Mountains, in Montana, and the monchiquites of Brazil.
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