Translation guide
Shale is a type of sedimentary rock. In Japanese, it is most commonly referred to as 頁岩 (けつがん), but broader terms like 泥岩 (でいがん) or シェール (sheeru) may be used depending on context.
The learner wants to refer to the specific rock type 'shale' in a geological or scientific context.
The learner wants to talk about shale in the context of energy resources.
Shale is widely distributed in this region.
Loanword from English, commonly used in terms like 'shale gas' or 'shale oil'. Less formal than 頁岩.
シェールガスの採掘が進んでいる。
Shale gas extraction is progressing.
Literally 'mudstone'. Shale is a type of mudstone, so this can be used in broader contexts, but it is less precise.
泥岩は堆積岩の一種です。
Mudstone is a type of sedimentary rock.
The standard term for shale gas.
シェールガスは重要なエネルギー源です。
Shale gas is an important energy source.
The standard term for shale oil.
シェールオイルの生産量が増えている。
Shale oil production is increasing.