超苦鉄質岩の記事

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

続きを読む →

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

続きを読む →