Weathering tourmaline microgranite
The weathering tourmaline microgranite contains a major of quartz, feldspar, plagioclase with a small amount of biotite, tourmaline (euhedral crystal), and mica.
The weathering tourmaline microgranite contains a major of quartz, feldspar, plagioclase with a small amount of biotite, tourmaline (euhedral crystal), and mica.