| 单词 | pegmatite |
| 释义 | pegmatite (once / 127090 pages) n WORD FAMILY pegmatite: pegmatites USAGE EXAMPLESThe resulting folds are easy to see, because molten pegmatite penetrated the voids. New York Times(Jul 02, 2014) Emerald has been worked in a vein of pegmatite, piercing slaty rocks, near Emmaville, in New South Wales. Various, Encyclopaedia Britannica, 11th Edit...(2011) The granite, which is intruded through the Eocene beds, is associated with a pegmatite containing tourmaline and cassiterite. Various, Encyclopaedia Britannica, 11th Edit...(2011) n a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements Hyper igneous rock rock formed by the solidification of molten magma |
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