Full
LIU Xingwang, PhD, researcher, majorsin activetectonics, E-mail: lxw_27@163.com
Outline
Taking the southern section of the Jiayuguan fault as the research subject, the morphology of the hidden segment of the fault was determined through shallow artificial seismic exploration. Based on remote sensing image interpretation and field geological surveys, the fault was found to be exposed at the surface at the southern end of the Jiayuguan fault, forming an anticline fault scarp. Through aerial photogrammetry, combined with dating tests, it was determined that the fault has been active since the late Pleistocene. Using high-precision topographic data, the height of the fault scarp was obtained, and combined with the corresponding geomorphological age, the vertical slip rate of the southern section of the Jiayuguan fault was estimated to be 0.03±0.01 mm/a.
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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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