felsic

Tanımlar (İngilizce)

1. sıfat Enriched in minerals predominantly composed of the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.

   “Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.”

2. isim A rock with such properties.

   “The central part of this nepheline syenite is very white felsics with black mafics in it. The entire area contains many nepheline-bearing dike rocks, but almost all are gray or pink or even red due to the color in the felsics.”