Henan Bureau to prove a gold mine in Gan County, Gansu Province

Henan Bureau to prove a gold mine in Gan County, Gansu Province

The reporter learned from the First Geological Exploration Institute of the Bureau of Geology and Mineral Exploration of Henan Province that the institute has recently identified a small-scale gold mine at the Wumaqiao-Ligou section of Ligou Mining Area, Gansu Province. Experts predict that the prospective resources can be achieved. Medium and large scale.

In recent years, the First Geological Exploration Institute of the Bureau of Geology and Mineral Exploration of Henan Province was entrusted by Jixian Tianma Mining Co., Ltd. to carry out geological survey work in the Ligou gold mining area of ​​Gansu Province and submitted a census report. The month passed the review of the expert group. The technical staff of the Institute conducted survey and evaluation work on geochemical exploration, geophysical prospecting, trench exploration, pit exploration, and drilling, and roughly identified the geological and geochemical characteristics, metallogenic geological background and mineralization alteration features of the mining area. . The institute circled 16 gold ore bodies in the dock from Maqiao to Ligou, and submitted gold metal quantities of 1159.12 kg to some of the ore bodies of K5 and K6. The average grade of the deposit was 4.86 g/ton. With a grade of 23 g/t and accompanied by silver, it points the way for the next step.

According to reports, the area is located in the western part of the Qinling Mountains east-west complex fold belt, and the Weihe River complex syncline north wing. It cooperates with the Yawan metallogenic belt. The census area can be divided into 12 gold mineralization belts from north to south. The fault structure is the most important ore-controlling factor in the ore body in this area. The ore body is in a layered or lenticular form. The deposit is a fine-grained disseminated gold deposit formed under the action of medium-low temperature hydrothermal fluids. The gold in the ore is in the form of natural gold, which is a collection of fine-grained aggregates produced in the gangue. On the same metallogenic belt in the north of the mining area, Shandong Zhaojin Import & Export Co., Ltd. has proven a large-scale gold mine. Relevant experts believe that the ore-forming conditions in the Ligou gold mining area are relatively good. Through further geological work, it is expected that the long-term reserves can reach medium-to-large scale.

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