| 地层 | 深度/cm | Md/μm | Mz/μm | 标准差Q | 分选系数S | 偏度SKΦ | 峰态Kg |
| A | 0~20 | - | - | - | - | - | - |
| B | 20~50 | 5 | 12 | 1.91 | 1.23 | 0.29 | 0.97 |
| SWD2 | 50~65 | 315 | 342 | 1.57 | 0.64 | 0.47 | 2.07 |
| C | 65~110 | 7 | 14 | 1.83 | 1.21 | 0.16 | 1.07 |
| D | 110~195 | 17 | 22 | 1.93 | 1.18 | 0.27 | 1.35 |
| SWD1 | 195~215 | 268 | 290 | 2.28 | 0.79 | 0.58 | 1.64 |
| E | 215~250 | 4 | 13 | 1.86 | 1.33 | 0.24 | 0.96 |