がんせき
岩石
1. rock
2. Rock (geology)In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids. The Earth's outer solid layer, the lithosphere, is made of rock. Three majors groups of rocks are defined: igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, which is an essential component of geology.
Read “Rock (geology)” on English Wikipedia
Read “岩石” on Japanese Wikipedia
Read “Rock (geology)” on DBpedia
Read “Rock (geology)” on English Wikipedia
Read “岩石” on Japanese Wikipedia
Read “Rock (geology)” on DBpedia
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