Lead-zinc ore industry requirements
The type of ore industry, based on the natural type of ore, can be classified into sulfide ore ( lead or zinc oxidation rate < 10%) , oxidized ore ( lead or zinc oxidation rate > 30%) , mixed ore ( lead or zinc). oxidation of 10% to 30%); by the major ore can be divided into useful components: lead ore, zinc ores, zinc ore, copper ore lead and zinc, sulfur, lead and zinc ores, sulfur, lead and zinc ores copper, tin-lead ore Lead ore ore, zinc-copper ore, etc.; according to the ore structure, it can be divided into: disseminated ore, dense block ore, breccia ore, strip-shaped ore, fine vein-disseminated ore.
To meet the needs of geological exploration work and lead-zinc mine production and construction of our country, the Ministry of Geology and Mineral Resources and metallurgical industries based on lead and zinc mining dressing and smelting technology resource status and conditions of our country, in 1983, jointly formulated and promulgated the "lead-zinc mine geology exploration norms "(trial) to develop a lead-zinc industry in general index, census exploration used to evaluate whether there are deposits of industrial value (table 3. 8.2).
For a specific deposit, the industrial indicators used to provide geological exploration reports as the basis for mine construction shall be submitted by the geological exploration unit with preliminary geological information, and the industrial department shall entrust the mining design department to conduct economic accounting. After the comparative study, it is determined by the competent department of industry at or above the provincial level as the basis for the calculation of the reserves of the deposit.
When the deposit is in the process of mining, the ore industry index can continuously adjust the industrial index of the mining industry according to the changes of the lead and zinc market in the mining market, the level of mining and smelting technology, the economic benefits of mine development and the reasonable protection of resources.
In order to develop an integrated, comprehensive utilization of associated useful components, when the grade of lead-zinc deposits associated component content listed in Table 3. 8.3, to carry out a sampling, chemical analysis, research and associated components Occurrence Xuanye The test provides a basis for rational comprehensive evaluation, comprehensive development and comprehensive utilization.
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