地层编号 | 岩性 | 地层时代 及成因 | 统计频数 | 范围值 | 平均值 | 标准差 | 变异系数 |
n | 击 | φm | δ | σm | |||
② | 黄土 | Q32eol | 143 | 3~18 | 7.9 | 2.72 | 0.35 |
③ | 古土壤 | Q31el | 49 | 16~36 | 19.9 | 3.62 | 0.18 |
④ | 黄土 | Q22eol | 137 | 4~19 | 10.0 | 1.96 | 0.20 |
⑤ | 古土壤 | Q22el | 46 | 7~31 | 18.0 | 4.85 | 0.27 |
⑥ | 黄土 | Q22eol | 43 | 8~15 | 10.1 | 4.88 | 0.46 |
⑦ | 古土壤 | Q22el | 16 | 16~21 | 18.6 | 1.62 | 0.09 |
⑧ | 黄土 | Q22eol | 17 | 5~11 | 9.2 | 1.82 | 0.20 |
⑨ | 古土壤 | Q22el | 6 | 13~21 | 16.2 | - | - |
⑩ | 黄土 | Q22eol | 10 | 7~11 | 8.6 | 1.35 | 0.16 |
⑪ | 古土壤 | Q21el | 4 | 15~20 | 17.8 | - | - |
⑫ | 黄土 | Q21eol | - | - | - | - | - |
⑬ | 古土壤 | Q21el | 6 | 14~20 | 17.0 | - | - |
⑭ | 黄土 | Q21eol | 6 | 8~11 | 9.8 | - | - |
⑮ | 古土壤 | Q21el | 6 | 8~15 | 12.7 | - | - |
⑯ | 黄土 | Q21eol | 1 | 12 | - | - | - |