Research Article
Thermal Property of Granite in Deep Strata and Its Effect on Thermal Zone of Surrounding Rock
Table 3
The proportion of mineral composition of each group of rock samples.
| Depth m | Potassium feldspar% | Plagioclase% | Quartz% | Biotite chlorite% | Epidote% | Muscovite% | Calcite% | Other% |
| 1500 | 23 | 36 | 33 | 7 | Trace | | | Trace | 1600 | 23 | 41 | 30 | 6 | | | | Trace | 1700 | 28 | 42 | 24 | | | 3 | 3 | | 1800 | 23 | 43 | 25 | 8 | | | | 1 | 1900 | 30 | 37 | 25 | 7 | | | | 1 | 2000 | 28 | 36 | 32 | 4 | | | | Trace |
|
|