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表一
两个沉积层的x射线分析。T:主要成分,t:微量成分,c/s:Counts Per Second
| | 碱性氯甲酸盐 | 氢氧镁石 | F |
| 浅灰色 | t | T | 557 c/s |
| 深灰色 | 789 c/s | t | 127 c/s |