岩石层

Traditional form:

岩石層

Pinyin (reading):

yánshícéng

Definitions:

• rock stratum

Characters:

• 岩 - cliff; rocks; mountain
• 石 - stone, rock, mineral
• 层 - layer, floor, story, stratum

Traditional characters:

• 岩 - cliff; rocks; mountain
• 石 - stone, rock, mineral
• 層 - layer, floor, story, stratum