| 觀看：8 次｜回覆：0 則 |
 |
||
| Name：WaynePic | 06, Jul, 2026 13:43:55 | |
 |
have kaolinite as a common component. This is a product of diagenesis and is believed to be due to the deep penetration of weathering under the tropical conditions of immediately post Carboniferous times. A comparison between pale and dark limestones suggests that finely divided pyrite has a greater | |
 |
||
回覆留言