porphyry उदाहरण वाक्य
उदाहरण वाक्य
- The open-pit mining of porphyry copper deposits was adopted worldwide.
- In the batholiths there are quartz-feldspar porphyry and dolerite dykes.
- Mineralization occurs within the Laramide intrusive and in the surrounding Precambrian porphyry.
- The entire island constitutes the Porphyry Island Provincial Park or nature reserve.
- The quarry also features a very thick intrusion of porphyry.
- The fa�ade is covered with marble, strips of porphyry and verd antique.
- Most are ground from grayish green, banded slate, and occasionally porphyry.
- Porphyry may also have been present at this meeting.
- It is believed that tectonic change acts as a trigger for porphyry formation.
- The intrusive quartz-porphyries are equally well described as granite-porphyries.