학문적 IELTS (밴드 5 이하) - Geology

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

바위, 돌

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

광물, 미네랄

the central part of Earth, or any other planet

핵, 중심

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, 흙

(geology) a horizontal bed or distinct sedimentary rock formation

층, 층위

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, 화석의 흔적

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

온천, 열수

a rock that contains valuable mineral or metal

광석, 광물

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

재, 재가루

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, 땅