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来自维基百科,自由的百科全书
淺成岩,是侵入火成岩,位於地殼的中等或較淺深度(<2 km),礦物具有中等結晶粒度(幾顆中等結晶粒度就可?)。常為斑岩紋理。岩石學中(請註明是否只能在書中看到?),常見為輝綠岩(粗玄岩)。[1][2]
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