Diapir (English spelling)
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A structure formed when a mass of fluid rock with a different specific gravity from the surrounding rocks moves vertically due to buoyancy and intrudes into the strata above it. An example of this is known to be rock salt, which rises as a diapir due to buoyancy and creates a dome-shaped structure around it. Similarly, plutonic rocks such as granite rise in a diapir-like shape to form diapir plutons. Source: Asakura Publishing Dictionary of Petrology Information |
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周囲の岩石と比重の差のある流動性の岩体の塊が浮力で垂直に移動して，その上部の地層などに貫入して形成された構造．この例には岩塩が浮力でダイアピルとして上昇し，その周囲にドーム状の構造を作ることが知られている．同様に花崗岩などの深成岩体がダイアピル状に上昇してダイアピル・プルトンを形成する． 出典 朝倉書店岩石学辞典について 情報 |
>>: Diaspore - Diaspore (English spelling)
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