為何在變質岩裡只有看到幾種礦物組合??
區域變質相
砂岩分類
岩石、礦物的風化過程
岩漿、島弧系統的岩石
變質岩相可能會考
為何大多變質岩都是較老岩層，卻又可以發現新鮮的gneiss
玄武岩和花崗岩的最終產物是否相同，試述之
□calcite的生成環境和其他岩石的生成環境有何不同？
且為何calcite一般都沒有雜質？
4 .Define the following rocks：
(1)andesite
(2)gabbro
(3)nephelinite
(4)peridotite
(5)rhyolite
5 .What will be the final products after several weathering of granites?
6 .State the parameters generally used for the classification of sandstone?
7 .What is the most voluminous sedimentary rock？Why?
8 .Define metamorphism?
9 .State the concept of metamorphic facies?
10 .Metamorphic rocks generally have a simple mineral assemblage, say, less than
5 mineral species, why?
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