noun
Geological term for the rigid outer layer of the Earth, comprising the crust and upper mantle. Often used in academic or scientific contexts.
See also: リソスフェア
岩石圏はプレートテクトニクスにおいて重要な概念です。
The lithosphere is an important concept in plate tectonics.
Katakana loanword for 'lithosphere', used interchangeably with 岩石圏 in scientific contexts.
Compound of 岩石 (ganseki, 'rock') and 圏 (ken, 'sphere, zone'), a calque of the English 'lithosphere'.