아카데믹 IELTS(밴드 5 이하) - Geology

a solid material forming part of the earth's surface, often made of one or more minerals

바위

a solid, naturally occurring substance with a specific chemical composition, typically found in the earth's crust, such as gold, copper, etc.

광물

the central part of Earth, or any other planet

핵

the black or brownish substance consisted of organic remains, rock particles, and clay that forms the upper layer of earth where trees or other plants grow

토양

(geology) a horizontal bed or distinct sedimentary rock formation

층

a complete change in the form and structure of a rock as a result of heat and pressure

변성작용

the remains or impression of a plant or animal that lived a long time ago and has been preserved in rock or sediment

화석

a source of hot water that natrurally flows out of the ground

온천

a rock that contains valuable mineral or metal

광석

a grey powder that is produced as a result of a substance getting burned

재

liquid or semi-liquid rock that exists under the earth's surface with an extremely hot temperature

마그마

the solid surface of the planet distinguished from air or sea

지구