Last Updated
：2025/11/20
sima
Noun
uncountable
Japanese Meaning
地殻の外層の下部に位置し、ケイ酸、鉄、マグネシウムを豊富に含む層（地質学的分類における一層）
Quizzes for review
(geology) The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.
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sima
Seismic studies revealed that the sima beneath the continents is rich in silica, iron, and magnesium.
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Seismic studies revealed that the sima beneath the continents is rich in silica, iron, and magnesium.
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