The geographical environment of xinhuang dong autonomous county

The territory of Xinhuang County is dominated by mountains. The southeast, southwest and north are high in terrain, and the northeast is low in terrain. The overall terrain is high in the south, west and north, and the middle part is inclined to Weishui and Pingxi valleys in a strip shape, showing a "W" shape with three mountains and two valleys. The total land area of Xinhuang County is 1.508 square kilometers, of which 84.22% is mountainous, 7.86% is hilly, 6.4 1% is plain, and the water surface accounts for 1.5 1%. It is a veritable mountainous county.

Xinhuang is located at the end of the extension of Miao Ling in Yunnan-Guizhou Plateau, which has both plateau topography and mountain characteristics. The altitude is mostly between 500 ~ 1 100 meters. In the southeast, the elevation of Tianlei Mountain is1136.3m, which constitutes the southeast barrier. The southwest is dominated by Meiyan slope, with an altitude of11.5m. More than 20 kinds of mineral resources have been discovered in Xinhuang County, including iron, copper, lead, zinc, gold, mercury, selenium, tellurium, cadmium, barite, phosphorus, vanadium, potassium silicate, crystal.

More than 20 mineral deposits have been discovered in Xinhuang County, including extra-large deposit 1 (barite deposit in Gong Xi), large deposit 1 (silicate potassium salt deposit), medium deposit 1 (hotel pond mercury mine, which has been closed due to the exhaustion of mineral resources), and the rest are small deposits and mineralization points. The main minerals with a certain scale and resource reserves are barite, mercury, phosphate rock, potassium silicate, limestone, brick clay, copper-lead-zinc mine and gold mine.