trachyte artinya

• trachit
• trasit

Contoh

1. Quartz is typically rare in trachyte, but tridymite (which likewise consists of silica) is by no means uncommon.
   Kuarsa biasanya langka di trasit, tetapi tridimit (yang juga terdiri dari silika) tidak berarti jarang.
2. The small Barber Hill syenite-stock laccolith in Charlotte, Vermont, has several volcanic trachyte dikes associated with it.
   Stok-syenit lakolit bukit barber di Charlotte, Vermont, Amerika Serikat memiliki beberapa dike trasit vulkanik yang berasosiasi dengan lakolit.
3. Chemically, trachyte contains 60 to 65% silica content; less SiO2 than rhyolite and more (Na2O plus K2O) than dacite.
   Secara kimia, trasit mengandung 60 sampai 65% kandungan silika; kandungan SiO2 yang kurang dari riolit namun lebih banyak (Na2O ditambah K2O) dari dasit.