Table 2.
samples and analysis result of lamprophyre from Huaniushan.
| Sample code | Name in field | Name under microscope | Composition (%)* |
|---|---|---|---|
| Y057-1 | Lamprophyre, slight weathering | AMPL** | A:5–10% (C:7%, D:3%), B:85–90% (C:53%, D:37%) |
| Y057-2 | Lamprophyre, slight weathering | AMPL** | A:5% (C:4%, D:1%), B:95% (D:55%, E:40%) |
| Y058-1 | Lamprophyre, serious weathering | AMPL** | A:5–10% (C:8%, D:2%), B:85–90% (D:40%, E:30%, F:5%, G:5%, H:5–10%) |
| Y058-2 | Lamprophyre, serious weathering | AMPL** | A:10–15%, (C:10%, D:3, I:2%), B:85–90% (D:40%, K:40%, L:5–10%) |
| Y062-2 | Lamprophyre | GWASL*** | J:70%, K:25–30%, L: < 1% |
| Y066-1 | Lamprophyre | AMPL** | A:5% (C:4%, D:1%), B:95% (D:40%, E:40%, G:5–10%, L:5%) |
| Y080-1 | Lamprophyre | AMPL** | A:10–15%, (C:10%, D:3%, I:2%), B:80–85% (D:65%, G:10%, F:5%, L:5–10%) |
*A: phenocryst, B:matrix, C:augite, D: plagioclase, E: biotite, F: epidote, G: chlorite, H: calcite, I: quartz, J: Siliceous, K: sericite, L: ferruginous.
**AMPL:Alteration mica-plagioclase lamprophyre.
***GWASL:Gray white argillaceous siliceous slate.