Meaning of umptekite | Babel Free
Definitions
A syenitic rock consisting of microperthite, arfvedsonite, aegirine and, possibly, nepheline.
Examples
“The rock-mass in which this umptekite form⟳ of hornblende occurs may therefore be called umptekite gabbro.”
“The Beverly syenite includes the alkaline syenites of Beverly, Manchester, Salem, and Marblehead, comprising pulaskites and umptekites.”
“There Strauss & Truter record⟳ a gradual transition from the white umptekite (fenite) to a pulaskitic rock with nepheline.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
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