Traditional Culture Encyclopedia - Photography and portraiture - Geographical environment of Tanchang county
Geographical environment of Tanchang county
The project of Blue Ocean Expressway (G75) from Weiyuan to Wudu (Wei Wu Expressway) passes through Hadapu Town, Lianghekou Town and Shawan Town in Tanchang County. 20 1 1 was approved by the national development and reform commission. Tanchang County straddles the two major metallogenic belts of lead, zinc, mercury and antimony in the western Qinling Mountains, and there are many kinds of mineral resources in the territory with large reserves. According to preliminary exploration, there are 0/5 kinds of minerals/kloc-and 0/4 main occurrences/kloc-in Tanchang County, including lead, zinc, antimony, manganese, copper, gold and iron, as well as non-metallic minerals such as peat, gypsum, barite, limestone, coal and clay. In particular, antimony, lead, zinc, copper, gold and other non-ferrous metals have large reserves and are dominant minerals.
Gold: 13 anomaly, mainly distributed in Wayaogou of Nanhe, Baxiangou, Huaerpo Caotan Gou, Muxugou of Xinghua, Changgouli, Chaijiazhuang, Yangshan of Zhuyuan, Xiaoershan of Nanyang, Chelazayu River, Gounaoli, Ma Quan Gou of Xinchengzi, Miaogou of Chengguan and Fengjiagou of Shawan.
Antimony: Antimony-mercury (gold) metallogenic belt mainly distributed in the south of Tongzhai-Maoyugou fault. There are 13 known deposits, including 3 small deposits, namely, Dacaotan in Chengguan, Shuiyantou in Xinchengzi and Yindongliang in Ganjiangtou. There are 10 mineralization points, namely Wayaogou in Nanhe, Ling Xue in Jiahe, Maozitan in Xinchengzi, Sanchagou, His Highness Xinghuaguan in Zhuyuan, Sitou Mountain, Shenjia, Luojiagou, Haotian Anjiashan and Zengjiashan in Jiang Tai.
Copper: It is mainly distributed in the copper, lead and zinc polymetallic metallogenic belt of Tongzhai-Maoyugou fault, with 7 deposits, including Hanyuan Mapanshan small deposit 1 deposit and 6 mineralization points, namely Xinghua Copper Factory, Sunjiashan, Linjiashan, Zhuyuan Caozili, Chengjiashan and Guanting Zhaojiagou.
Lead and zinc: mainly distributed on the north side of the big fault. There are 1 small deposit in Cheladaizhuang, and there are three mineralization points in Nanyang, namely Dingzangli, Baoziliang and Yulinggou.
Manganese: There are four ore occurrences: Pangjiashimen, Ji Bo Temple, Xiaojiawan and Xinzhai Lizhiba.
Gypsum: There are two mine sites: Li Jiashi in Xinzhai and Shangchouzi in Shawan.
Barite: The mine sites are Chelagou Flexibility and Nanyang Zhang Shang Village.
Limestone: There are four main ore occurrences: Lijiashi in Xinzhai, Xinping in Xinchengzi, Dashanliang in Xinghua and Bopengdu.
Peat: There are three mineral occurrences: slope-based cluster beach, Xinghua Dangzhi beach and Shizilongba.
Turquoise: There is a horn of a sword in the mine. Medicinal materials: There are 592 kinds of wild, semi-cultivated and cultivated Chinese medicinal materials in China, of which 142 kinds have been purchased, and 3 17 kinds have been collected and made into specimens. Especially angelica, codonopsis pilosula, rhubarb, Hedysarum hedysari, Bupleurum chinense and Astragalus membranaceus, with large quantity, high quality and unique efficacy.
Forest: The forest land area in Tanchang County is 6.5438+0.27 million mu, and the forest coverage rate is 29.7%. The vertical distribution of forest vegetation is obvious, mainly including warm temperate deciduous broad-leaved forest, mixed coniferous forest and alpine dark coniferous forest, with more than 700 species belonging to 465,438+0 families. Forest areas are mainly distributed in Nanhe, Guan 'egou, Daheba, Guanting and Lions under the jurisdiction of Minjiang Forestry General Site. The main tree species are spruce, fir, larch and Chinese pine.
Grassland (land): Tanchang is rich in grassland resources, with natural grassland10.25 million mu and upland meadow10.7 million mu, accounting for 28.5% of the land area of Tanchang County, with an annual output of 780 million kilograms of fresh grass. It is mainly distributed in the towns of Awu, Bali, Chela and Lion at an altitude of 2500 ~ 3 100 meters in the north and northeast of the county. The main forage species are white clover, alfalfa and other 9 families and 73 species. In 2007, Tanchang County planted 300,000 mu of potatoes, with a yield of 5 1 10,000 tons and a total output value of 306 million yuan. There are 6.5438+0.25 million mu of grassland, and the advantages of developing grass and livestock industry are very obvious. The livestock carrying capacity of grassland in China can reach 6.5438+0.42 million cattle units. In 2007, the added value of animal husbandry in Tanchang County reached 654.38+0.3 billion yuan. Chinese herbal medicines mainly include four kinds of Chinese herbal medicines: Angelica sinensis, rhubarb, Codonopsis pilosula and Hedysarum hedysari. More than 600 kinds of wild and domestic medicinal materials have been identified, which is known as the "Millennium Medicine Capital". In 2007, the planting areas of Zanthoxylum bungeanum and Juglans regia reached 90,000 mu and 80,000 mu respectively, 330,000 mu of ecological forest construction was completed, the output of Juglans regia reached 640 tons, the output of Zanthoxylum bungeanum reached 769 tons, the sales reached 65.43 billion yuan, and 20,000 mu of vegetables were developed, with a total output of 9,800 tons and 57.6 million yuan.
20 13 year effective irrigation area10500mu, water-saving irrigation area13900mu. Build 30 standardized agricultural demonstration sites. 300 greenhouses were built, 5 breeding areas were built, and 22 new farmers/kloc-0 were added, accounting for 37.5% of the scale breeding. Chinese herbal medicine farmers' professional cooperatives 138 have been built, and the land has been transferred10.3 million mu. The total area of Chinese herbal medicines has grown to 400,000 mu, and the areas of potatoes, vegetables and economic fruits have reached 307,000 mu, 55,000 mu and 275,000 mu respectively. Tanchang county has formed six leading industrial systems, including hydropower energy, nonferrous metallurgy, medicine and chemical industry, building materials, green food and tourism handicrafts. By the end of 2007, there were more than 50 industrial enterprises in Dangchang County. The county's total industrial output value is 1.72 million yuan, the added value of industrial enterprises above designated size is 42 million yuan, the sales income is1.60 million yuan, and the profits and taxes of industrial enterprises are 38 million yuan, including 2 1 10,000 yuan.
In 20 13, the total industrial output value was 503 million yuan, an increase of 7 1.99% over 20 12. In 2008, the number of social security participants in Tanchang County reached 2,725, and the coverage rate of urban basic old-age insurance reached over 98%. There are12,882 households with 52,269 people in Tanchang County, and the monthly per capita security standard reaches 50 yuan; There are 1854 households with 3,877 people included in the urban subsistence allowance, and the monthly per capita security standard reaches 138 yuan; The five-guarantee recipients reached 2,369 households with 2,832 people, and the monthly per capita security standard reached 1.20 yuan; The number of participants in the new rural cooperative medical system in Tanchang County reached 249,600, with a participation rate of 90.2%.
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