物探与化探2016，Vol.40Issue(3)：429-437,9.DOI:10.11720/wtyht.2016.3.1
综合化探方法在青海夏日哈木超大型铜镍矿床中的找矿应用
A study of integrated geochemical exploration method and its application to the Xiarihamu superlarge Cu-Ni deposit, Qinghai Province
摘要
Abstract
The Xiarihamu deposit is the first superlarge magmatic liquation type Cu⁃Ni sulfide deposit discovered in recent years in East Kunlung area of Qinghai Province. During the process of its discovery and evaluation, the integrated geochemical exploration methods played the most important role. Based on the systematic evaluation of 1 ∶ 200 000 stream sediment anomaly→1 ∶ 50 000 geochemical characteristics of stream sediments→1 ∶ 10 000 composite anomaly→combinational method of geology and engineering verification, the authors found that 1 ∶ 200 000 stream sediment survey could approximately delineate the prospecting target, but the corresponding geo⁃logical work failed to find the Cu⁃Ni ore⁃related basic and ultrabasic rock bodies, and the origin of the anomaly could not be deter⁃mined. 1 ∶ 50 000 stream sediment survey further decomposed the 1 ∶ 200 000 stream sediment anomaly. The corresponding geological work found some basic⁃ultrabasic rock bodies related to Cu⁃Ni ore, but the ore potentiality needs further confirmation. The 1 ∶ 10 000 soil survey further reduced the prospecting target, and supported by the 1 ∶ 10 000 geological sketching, the main causes of anomaly were detected and the ore⁃bearing basic⁃ultrabasic rock bodies were delineated in detail. All of these results have provided the direct ba⁃sis for further engineering verification. It is held that this combinational method is the most economical and fastest way to find the ore⁃body, and the results obtained by the authors could be regarded as an example to evaluate some deposits similar to the Xiarihamu de⁃posit in the metallogenic belt.关键词
综合化探方法/找矿应用/铜镍矿/水系沉积物/夏日哈木Key words
integrated geochemical exploration methods/application in ore prospecting/Cu-Ni deposit/stream sediments/Xiarihamu分类
天文与地球科学引用本文复制引用
张勤山,马楠,郝亚青,刘长征,李积红..综合化探方法在青海夏日哈木超大型铜镍矿床中的找矿应用[J].物探与化探,2016,40(3):429-437,9.基金项目
中国地质调查局地质调查工作项目（12120113030800）；青海省地质矿产勘查开发局地勘基金项目（［2010］69号）、（［2011］47号）、（［2012］18号）、 （）
