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Outline
After the 1# orebody of Kalatongke Copper-Nickel Mine was mined by the caving method, a large collapsed loose area was formed. This collapased loose area has deteriorated the mining environment of the upper ore and rock, so that the resources are difficult to be effectively recovered, and the safety of vertical shafts faces a threat. To conduct in-depth detection and treatment of this area, the loose boundary was initially determined through geological drilling and TRT advanced detection in the early stage. Due to channel blockage, traditional detection equipment could hardly access the target area. The C-ALS Gyro endoscopic three-dimensional scanning system was used to conduct detailed detection of the potential area, which clarified the location, shape and volume of the large loose area. It was found that this area only exists locally, and the overall collapse scope tends to be stable. By comparing three treatment schemes including waste rock backfilling treatment, caving surrounding rock treatment and cemented filling treatment, a comprehensive analysis of the advantages and disadvantages of each scheme was conducted. In accordance with the treatment principles, it was determined to adopt the cemented filling treatment scheme. The actual treatment effect shows that the cemented filling treatment scheme enhances regional stability, increases the resource recovery rate by approximately 30％, improves the safety guarantee level, reduces environmental impact.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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