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超苦鉄質岩

2 件の記事

False-color scanning electron microscope image of kimberlite from South Africa. Olivine crystals (green) are in a fine-grained matrix made up of clay minerals and carbonates (presented in blue, purple and buff colors).

キンバーライトダイヤモンドを運ぶ地球深部の使者

キンバーライトダイヤモンド火成岩マントル
Komatiite lava at the type locality in the Komati Valley, Barberton Mountainland, South Africa, showing the distinctive "spinifex texture" formed by dendritic plates of olivine (scale shown by a hammer on the right edge of photo)

コマタイアイト太古の地球を物語る超苦鉄質火山岩

コマタイアイト超苦鉄質岩スピニフェックス組織太古代