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Soil geochemical characteristics and prospecting prediction of the Hujiadian area in Lishui, Jiangsu Province |
CHEN Dong1, LIANG Shu-Neng2,3 |
1. Geological Survey of Jiangsu Province, Nanjing 210018, China;
2. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China;
3. Ministry of Land and Resources Key Laboratory of Airborne Geophysics and Remote Sensing Geology, Beijing 100083, China |
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Abstract This paper summarized geological features, geochemical characteristics and element composition of soil survey data on the scale of 1:10 000 in Hujiadian area. It is shown that there exist high intensity, good zonation and obvious concentration centers of such anomalous elements as Au, Ag, Cu, Mo associated with gold deposits. The range of anomalies is spatially coincident well with tensile structural fracture zone and diorite-porphyrite vein rock in the study area. 8 combined anomalies (H-1~H-8) were delineated, of which H-1~H-4 have good metallogenic geological conditions and anomalous features and hence show favorable prospecting potential for gold. Trenches were constructed for H-1 combined anomaly, and two gold veins were found with grade (2.03~2.37) ×10-6 Prospecting criteria for gold were summarized according to metallogenic geological conditions and geochemical anomalous features in Hujiadian area. A prospecting target area for gold deposit was delineated along Zhaishan-Longgongshan zone in the northwest of the study area. Thus, Hujiadian provides a case for the exploration of gold in Jiangsu Province.
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Received: 11 July 2014
Published: 10 August 2015
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