A metamorphic rock containing quartz and mica which resembles slate in being easily split.
云母片岩
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 schist
nounˈmīkə SHist
A metamorphic rock that contains quartz and mica and resembles slate in being easily split.
云母片岩
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.