释义 |
Definition of mica schist in English: mica schistnoun mass nounA metamorphic rock containing quartz and mica which resembles slate in being easily split. Example sentencesExamples - Some of the migmatites have a remarkable fragmental texture, consisting of pebble - to boulder-sized fragments of graphitic mica schist in a cordierite granite matrix.
- The subsurface investigation indicated that there was a relatively thin layer of fill - between 5 and 12 ft thick and consisting of mica schist and schistose gneiss - overlying very competent rock.
- Further west, white and pale blue sapphires are found in mica schist enclosed by gray-brown granite near Sweetwater Station.
- Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss, and crystalline limestone.
- The slate, where thermally metamorphosed, has been turned into siliceous hornfels and mica schist.
Definition of mica schist in US English: mica schistnounˈmīkə SHist A metamorphic rock that contains quartz and mica and resembles slate in being easily split. Example sentencesExamples - Further west, white and pale blue sapphires are found in mica schist enclosed by gray-brown granite near Sweetwater Station.
- Some of the migmatites have a remarkable fragmental texture, consisting of pebble - to boulder-sized fragments of graphitic mica schist in a cordierite granite matrix.
- The slate, where thermally metamorphosed, has been turned into siliceous hornfels and mica schist.
- Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss, and crystalline limestone.
- The subsurface investigation indicated that there was a relatively thin layer of fill - between 5 and 12 ft thick and consisting of mica schist and schistose gneiss - overlying very competent rock.
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