Compared with foreign countries, diamond is still one of the scarce minerals in China. The total resource reserves are decreasing year by year, and the degree of guarantee is seriously insufficient. To this end, the China Geological Survey proposed that the Nanjing Center take the lead in the preparation of a new round of diamond prospecting in China.
The "Proposal" requires that the national diamond strategy survey based on the Tanlu fault zone and Xuefeng Gulu should be carried out at different levels to basically identify the potential of national diamond resources, establish a typical ore deposit model and prospecting model, and enrich China's diamond prospecting. The theory and method technology, to find out the metallogenic geological background of diamond key metallogenic areas (bands), the occurrence conditions of diamond mother rocks and the prospecting information.
According to the "Program", China's diamond prospecting will be promoted in four levels. First, select a key target area with relatively high level of work, known diamond mines and peripherals, rich prospecting information, and prospecting prospects, carry out diamond prospecting investigation and evaluation or exploration and demonstration work, and explore diamond mineral producing areas. Second, in the past, the relatively high-level work, diamond-excavated or rich indicator minerals, and prospecting prospects, the basic investigation and mineral prospects were targeted; the diamond prospecting target area was proposed. Third, in areas where the level of work is relatively low, but there are diamonds unearthed or diamond-marked minerals are discovered, secondary development and comprehensive research of data are carried out, and prospecting areas are divided to prospectively conduct diamond prospecting investigations. The fourth is to carry out diamond prospecting research, including diamond prospecting model, metallogenic regularity, regional mapping and metallogenic prediction and potential evaluation.
In addition, a new round of diamond prospecting work in the country will carry out research on strategic selection of national, regional and key exploration areas; select typical diamond mines, carry out research on diamond mineralization model and prospecting method, and propose the best land, material and chemical And the combination of remote prospecting methods; research on the petrological characteristics, formation age, and relationship with diamond mineralization and distribution of fault zones in the areas of the Tanlu fault zone and the Xuefeng ancient land To provide support for exploring diamond mineralization laws and mineral prediction.
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