Research Article
Engineering Characteristics and Application Analysis of Red Sandstone in the Lanzhou Metro
Table 3
Quantitative analysis of whole rock minerals.
| | Engineering site | Montmorillonite (%) | Quartz (%) | Potash feldspar (%) | Plagioclase (%) | Calcite (%) | Kaolinite (%) | Chlorite (%) |
| | Provincial Government | 2 | 70 | 10 | 13 | \ | 3 | 2 | | Xiguanshizi | 3 | 60 | 10 | 12 | 3 | 8 | 4 | | Yanbei road | 10 | 57 | 9 | 17 | 4 | 2 | 1 |
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