Comprehensive Geophysical Characteristics and Exploration Significance of the Xiarihamu Super-Large Copper-Nickel Deposit in the East Kunlun Metallogenic Belt
摘要
This study systematically summarizes the key geophysical exploration techniques and their application effectiveness in the exploration of the Xiarihamu super-large copper-nickel sulfide deposit in the Eastern Kunlun metallogenic belt. During the exploration of this deposit, geophysical methods have always played an indispensable role. Recent exploration campaigns have further identified multiple mineralized intrusions surrounding the main orebody. To optimize geophysical methodologies for deep and peripheral exploration, thereby supporting the new round of strategic mineral exploration initiatives and enhancing reserve expansion and production capacity, this research focuses on the geophysical characteristics of the Xiarihamu large copper-nickel sulfide deposit. Comprehensively reviewing the integrated geophysical exploration conducted within the region, this study systematically summarizes the characteristics of geophysical responses. Specifically, it analyzes the results from regional high-precision ground magnetic surveys and various geophysical profiling methods implemented along the same exploration line L7 as the main orebody, including high-precision magnetic, induced polarization (IP), high-precision gravity, Controlled Source Audio-Frequency Magnetotellurics (CSAMT), and Transient Electromagnetic (TEM) methods. The investigation evaluates the effectiveness and applicability of these geophysical approaches for exploring copper-nickel sulfide deposits. The research provides fundamental geophysical methodology references and practical recommendations for both this specific deposit and similar types of mineralization, while clarifying the exploration significance of different geophysical techniques in such deposit exploration.