Hornblende schist is common over large areas in the Lake Superior region.
2
There the vein had failed, between the schist and the tertiary sandstone.
3
He says-Theformation of Dunk Island is clay slates and micaceous schist.
4
They were in a large tunnel with smooth walls of tormented schist.
5
But now, halfway up, I was staring at crumbly, dark gray schist.
Uso de crystalline schist em inglês
1
Geology.--Thegreater part of the county is composed of crystallineschists belonging to the metamorphic rocks of the Eastern Highlands.
2
He will also include in his studies certain paleozoic formations which are immediately connected with the crystallineschists and involved in their orographic structure.