4.22沉积岩实习3-长石砂岩

- 1.石英砂岩： Q>95%, F+R<5%2.长石石英砂岩： Q＝95-75%, F:R>13.岩屑石英砂岩: Q＝95-75%, F:R<14.长石砂岩: Q<75%, F:R>3