测区内发现磁铁石英岩残留体、粗面斑岩、大理岩、钠长岩等新岩石类型。
The new type of rocks such as the residuum of magnetite quartzite, trachyte porphyry, marble and sodaclase are found in the survey area.
这样，一种岩石被破坏后的产物以后会结合形成另一种新岩石，不同的岩石变化循环又可出现。
Thus, products formed by the destruction of one kind of rock may later be combined into a new rock type, and different types of cycles may occur.
然后过了许多年，含磷丰富的新陆地岩石开始被侵蚀，而且循环还在继续。
Then over many more years, the Phosphorus-rich rocks of the new land begin to erode and the cycle continues.
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