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Outline
The Guyuan-Hongshanzi area is a prominent uranium metallogenic belt in northern China, with the Hongshanzi pluton situated in its northern segment. In the eastern Shanghuofang area of the pluton, an integrated prospecting approach combining geological, geochemical, and geophysical methods was employed. By employing soil geochemistry and radon gas measurement techniques, geochemical anomalies were identified and the exploration area was effectively constrained. These anomalies were further analyzed in conj unction with induced polarization data, highlighting zones characterized by high resistivity and high chargeability, as well as the morphological features of high-precision ground magnetic anomalies. This integrated approach facilitated the interpretation of the structural framework in the Shanghuofang area. Induced polarization sounding provided insights into the spatial configuration of deep-seated anomalies, while controlled-source audio magnetotelluric (CSAMT) sounding delineated favorable zones for mineralization at greater depths, thereby enabling accurate spatial prediction of uranium-molybdenum ore bodies. Drilling validation confirmed the presence of multiple uranium-molybdenum ore bodies.The comprehensive geological, geochemical and geophysical prospecting process and prospecting model in Shanghuofang area were summarized and established, which provided the prospecting direction for uranium polymetallic ore exploration in this area.
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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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