No. three vein
- The No. three vein was found in the 30s of last century. It is a rare large rare metal granite pegmatite deposit in the world. It is rich in rare metals such as beryllium, lithium, tantalum, niobium, rubidium and cesium, as well as non metals such as mica, asbestos, quartz and so on. Of the 146 known minerals in the world, there are 86 kinds of vein three. It is a classical mining area in which Chinese and foreign scientists study granitic pegmatite and rare metal deposits.
The No. three vein is known as the "natural geological museum" by the International Geological community, which is known as the geological "Mecca" by the world's geological community for its rich variety, abundant reserves and high grade quality. In the five and 60s of the last century, the famous "No. three vein", which has made important contributions to our national defense industry such as "two bombs and one star", aerospace and other national defense industry, has also paid a huge amount of foreign debt for our country. It is known as the "hero mine" and "merit mine" of the Chinese nation.
At the beginning of 2013, the No. three vein was approved by the Ministry of land and resources as the National Mine Park. The mine, which has a history of more than half a century, continues to play a new historical mission. It has its special geological charm, historical merit and rich cultural background. It has become a characteristic industrial tourism and a red tourist scenic area, extending the life of the town. Life. With the development of tourism, cacao sea has gradually attracted worldwide attention because of its beautiful natural landscape and heavy humanistic history.
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