硅质岩

Traditional form:

硅質岩

Pinyin (reading):

guīzhìyán

Definitions:

• siliceous rock (mostly composed of silica)

Characters:

• 硅 - silicon
• 质 - essence, nature; material, substance
• 岩 - cliff; rocks; mountain

Traditional characters:

• 硅 - silicon
• 質 - essence, nature; material, substance
• 岩 - cliff; rocks; mountain