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Is the population density high in Majiang County, Qiandongnan Prefecture, Guizhou Province?
Population: about 200,000 people.

Population density: 164 people/km2.

Majiang County is located in the central and eastern part of Guizhou Province. The total administrative area is 1.222 km2, the cultivated area is 1. 1.7 million hectares, and the forest coverage rate is 47.95%. Xingshan Town, where the county people's government is located, zip code: 557600. Code: 522635. Area code: 0855. Pinyin: Majiang County. It has jurisdiction over 4 towns, 5 townships, 129 villagers' committees and 7 residents' committees. At the end of the year, the total population was 218300, including non-agricultural population14400 and minority population17400. The ethnic minorities with a large population are Miao, Dong, Buyi and Shui. The birth rate is 13.8‰, the natural growth rate is 6.07‰, and the planned birth rate is 96.9%. The main minerals are barite, phosphorus, coal, iron, lead and zinc, sulfur and iron.

Majiang County is located in the middle of Guizhou, upstream of Qingshui River, with a total area of 1, 222.2 square kilometers. The terrain is high in the west and low in the east, belonging to the subtropical monsoon humid climate zone, with no heat in summer and no cold in winter, beautiful natural scenery and pleasant scenery.

Majiang County enjoys a superior geographical position, located between the four major markets of three cities, one mine and one mine. The county seat is 0/09 km away from Guiyang, the provincial capital, 65 km away from Wengfu Phosphate Fertilizer Base, the largest in Asia, 37 km away from Kaili, the capital of Qiandongnan Miao and Dong Autonomous Prefecture, and 23 km away from duyun city, the capital of Qiannan Buyi and Miao Autonomous Prefecture. With the opening of Guiyang-Xinxiang-Kaili-Majiang Expressway, Majiang's location advantage is more prominent. Hunan-Guizhou Railway, Guizhou-Guangxi Railway and Liu Zhu Double Track cross the border. National Highway 320, 2 10, Guixin Expressway and Kaima Expressway all meet in the suburbs of the county. Four inter-provincial highways crisscross each other, forming a transportation network extending in all directions, making Majiang a traffic throat fortress in Guizhou and even southwest China.

mineral resources

Majiang County is located in the hinterland of central Guizhou, between "three cities and one mine" (Kaili City, duyun city City, Fuquan City and Wengfu Phosphate Mine), with Kaima Expressway and Guixin High-grade Highway passing through the city, and 320, 2 10 National Highway, 309 Provincial Highway and Hunan-Guizhou-Guizhou Railway running through the county, with superior geographical position and convenient transportation.

Majiang county is rich in mineral resources, distributed in 9 towns of the county. Through large-scale investigation, evaluation and exploration, 24 kinds of minerals have been discovered. The basically proven minerals are energy minerals such as coal and uranium, metallic minerals such as iron, lead, zinc, potassium, vanadium, manganese and bauxite, and nonmetallic minerals such as barite, phosphorus, quartzite, sandstone, pyrite, limestone, dolomite, marble, fluorite and bauxite. There are mineral deposits 135, including medium-sized 1 and small-sized 26. At present, there are more than 80 mining and mineral processing enterprises in the county. In 2002, more than 200,000 tons of ore were mined and processed, with an output value of more than 50 million yuan.

Barite: The barite ore in this county is distributed in eight towns and villages in the county, with the range of C+D+E, the grade (including baso4) is 94.71~ 99.3%, and the ore quality is good (it was awarded the honorary certificate of export inspection-free by MOFTEC). It is found that there are Bamanni River, Bibo Water Mountain, Gudong Dachong, Lijiaping, Xingshan Aoyang, Xuanwei City and Si Xia.

Coal: the weight is mainly concentrated in Gudong, Xingshan, Bibo and Xianchang, with calorific value of 2500-8270 calories/g, ash content of 20-65%, moisture content of 0.3-12% and volatile matter13-33%, among which S3.1.

Lead-zinc mine: At present, there are many mines in this county, such as Yangshan Yanggu, Chengnan, Zhong Bai, Gaoshan, Xuanwei Maka, Tangbu, Chengzhong, Longshan Datang, Si Xia Kulijing, Bamangcha River, Bibo Fuban and Gudong Kematang. The ore quality is good, the surface is oxidized, and it contains Pb0.0 1~40% ~ 40%, Zn 65438.

Phosphate rock: Phosphate rock in this county is mainly distributed in Xuanwei Langya to Longshan Fuxing area. 1962, the geological brigade of Guizhou 104 conducted a detailed survey in Langya, and submitted that the in-table reserves of phosphate rock were 5.96 million tons, belonging to a large-scale phosphate deposit with grade (including p2o 5) 18 ~ 34%. Associated metal U715t, with a grade of 0.02 ~ 0.069%; V2O522,000 tons with a grade of 0.252 ~ 0.9 17%. Ma 'anzhai, north of the deposit, still has 6.24 million tons of geological reserves. The reserves of phosphate rock in Tuanpo-Fuxing-Mati area of Longshan are also considerable, and potassium-bearing ore beds have been found.

Iron ore: Hematite and siderite mainly include Bibo Xiangtang and Xingshan Hongtushan. The geological team has done a lot of work and submitted a reserve of 8192,900 tons. Limonite is distributed in Lebu, Wengniu and other places in Gudong, and it is mixed with clay in the shape of a chicken nest, with a wide exposed area, containing 55% Fe, 0.032%-0.18% Mn, and 0/.009%-0.175% proven rocks.

Limestone: Limestone in this county is mainly distributed at the junction of Lujiaqiao-Tian Liang-Liangkou in the west of the city, with a thickness of 40 ~110m. The roof and floor are dolomite, containing 52.49% Cao and 2.16% MgO, and the loss on ignition is 4 1. 165438+. The limestone in the county is nearly 100 billion tons, which is mostly used for building materials and burning cement lime at present.

Dolomite: Dolomite deposits in this county are mainly distributed in the lower part of the east, Xuanwei and Dongba in the west, with MgO content of 0.91~ 21.41%,Cao content of 29.57 ~ 45.86%, loss on ignition of 47.03%, thickness of several hundred meters, thin cover and reserves of nearly 70%.

Silica: The main ore occurrences are the timely sandstone at the top of Baisha coal seam, the timely sandstone at the top of Xingshan Lujiaqiao-Tonggushan-Gangou, Baishatian-Bao Xiao-Qingshan and Changpo-Gaojian coal seams, the timely sandstone for medium cement in Limuxinzhai, the timely sandstone at the top of Lannishan ceramic soil, and the siliceous rock layer of Bibo Screen Dam. The grade (including silica) is 85.5 ~ 99.4. Among them, the chestnut mine was investigated in detail by Team 303 of Building Materials Department at 1983, with a C+D grade reserve of 9.828 million tons (approved); In June, 2000, 5438+ 10/Geological Team of Guizhou Province conducted a general survey of Maolipo, Chahe, Lujiaqiao, Xiaoqiaobian, Tonggushan and Gangou with a grade (including silica) of 9612 ~. Quartzite is distributed sporadically in Bamangweng River, Limu, Leping, Gudongchong, Lebu, Wengniu, Tan Jia, Longshan Fuxing and Xuanwei Kawu. The quality is good, the grade is as high as 99.2% ~ 99.8%, but the scale is unknown.

Pyrite: Hydrothermal pyrite deposit has the occurrence of Gudong Wengniu, the ore body is vein-shaped, 0.6m thick, the ore mineral is pyrite, and the surface oxidation is limonite, with sulfur content of 36.64%. Sedimentary pyrite mainly occurs in carbonaceous claystone, coal seam or aluminum claystone in the lower part of coal seam, with a thickness of 0.2 ~ 1.7m and a sulfur content of 8.43 ~ 46.23%. In addition, a large argillaceous pyrite deposit was found in Liangshuijing, Chashan, Xingshan, with a thickness of several tens of meters and an extension of several hundred meters, containing 23% sulfur.

Marble: There are two mines in the county, namely Lujiaqiao in Xingshan and chestnut in Bamang. After detailed geological investigation, they are like jet marble, butter yellow rose marble and sesame gray marble, with uniform color, hard texture and good polishing performance, with B+C+D reserves of 3.778 million cubic meters.

Ceramic soil: mainly include Yindingchong Mud Mountain in Xingshan, Bao Xiao Bowl Factory, Qingshan Huoshao Village, Datiankan in Yangchangpo, Mala Road and Baimang Libaifen. Among them, the detailed investigation of the side mine of chestnut white grave was completed by Team 303 of Building Materials Department in 199 1, and the C+D reserve was submitted to be 9.3 million tons.

Calcite: mainly distributed in caves and Bamang in the west, with high crystallinity, pure and white ore, thickness of tens of meters, thin caprock and proven reserves.

Shale: The Xinyuan Formation of Middle Triassic in this county is mainly calcareous and silty shale. Weathered calcium is leached to form weathering crust, and the raw material of brick and tile is the upper layer of weathering crust. The sintering temperature is 900 ~ 1 100℃, and the firing temperature is1100℃. Dry shrinkage is 3.75%, and sintering shrinkage at 900℃ is 0%, which is1100℃; The compressive strength of the finished product at different temperatures is 6.29Mpa~22.5 1Mpa, that is, when the firing temperature is 1 100℃, the product number is 200 #.

Other unexplained minerals are widely distributed, widely used and have considerable prospects.

As early as before the establishment of People's Republic of China (PRC), Majiang County had started small-scale mining, mainly folk coal mining, ironmaking, firing lime, bricks and pottery. After the founding of People's Republic of China (PRC), the mining industry developed rapidly. Mining activities have changed from sporadic mining and simple firing to mechanized mining, transportation, washing and powder processing, and mining activities are diversified and large-scale. In the 50 years since the founding of the People's Republic of China, geological work has grown from scratch. Many geological units, such as Guizhou Provincial Dispatching Team,10/team and 108 team, have done geological work in our county to varying degrees, and more than a dozen mineral reserves have been proved, which is nearly 1000 billion tons. The mining output value increased from 654.38+10,000 yuan to more than 50 million yuan, and the number of employees increased from 100 to 5,000.

economic development

In 2002, Majiang County intensified the adjustment of agricultural industrial structure, strengthened the construction of industrial parks, optimized the primary industry, increased the total amount of the secondary industry, and promoted the development of the tertiary industry, thus achieving sustained and stable economic and social development throughout the county. The GDP was 328 million yuan, down 12.8% from the previous year. The ratio of output value of primary, secondary and tertiary industries was adjusted from 39.66∶34. 10∶26.24 in the previous year to 44 .46∶22.30∶33.24. The total output value of agriculture, forestry, animal husbandry and fishery was 236,543.8 billion yuan, down 5. 1% over the previous year. Affected by natural disasters, grain production decreased, but cash crops, animal husbandry and forestry all increased to varying degrees. The total grain output for the whole year was 54,400 tons, down by 22.3% over the previous year. The output of flue-cured tobacco was 2072 tons, increasing by17.5%; The total meat output was 607 1 ton, up 19.9% year-on-year. At the end of the year, there were 63,700 large livestock, an increase of 5.49%; The number of live pigs was107400, an increase of 0.85%. Returning farmland to forests is 2000 hectares. The reform of industrial enterprises is progressing smoothly, with 429 employees and a resettlement rate of 7 1%. The total industrial output value is 654.38+0.89 billion yuan. Among them, the total industrial output value above designated size was 654.38+38 billion yuan, an increase of 75.0%; The tax revenue was 96810.4 million yuan, an increase of 57.62%. The non-public sector of the economy has made rapid progress. The reform and restructuring of 22 state-owned enterprises in the county were completed, with assets of 7.46 million yuan, economic entities 1857, 20,000 employees, registered capital of 50.28 million yuan and tax payment of 337,000 yuan. The total fiscal revenue was 33.58 million yuan, of which the local fiscal revenue was 22.46 million yuan, down 4.3% from the previous year; The fiscal expenditure was 936 1 10,000 yuan, an increase of 19.5%. At the end of the year, the balance of deposits of financial institutions was 280 million yuan, basically the same as that of the previous year, of which the balance of savings deposits of urban and rural residents was 200 million yuan, an increase of 5.30%;

Investment in fixed assets is 6 1 10,000 yuan. There are 23 investment projects, with an agreed capital of 429 million yuan and an actually paid-in capital of 4.05 million yuan. There are 29 infrastructure investment projects, of which the national debt investment is 37581100000 yuan. Eight "Hope Primary Schools" were built, and a total of 3 1 teaching projects were built, and the dangerous house rate of primary and secondary schools dropped to 18.3%. There are 25,300 primary school students and the enrollment rate of school-age children is 98.73%. There are 9,949 middle school students, and the enrollment rate of primary education is 94.7%. The illiteracy rate is 96.8%.

The total retail sales of social consumer goods was 79.94 million yuan, down 5.20% from the previous year. The per capita net income of farmers was 134 1 yuan, an increase of 3 .47% over the previous year. The population of urban residents included in the minimum living security line is 1.080, and the social minimum living security is 24 1.000 yuan; 220 people receive unemployment insurance, 679 laid-off workers who are included in social endowment insurance receive basic living expenses, and 96 people. It has achieved the goal of ensuring all insurance and maintained social stability.

administrative division

Majiang County has jurisdiction over 4 towns, 2 townships and 3 ethnic townships: Xingshan Town, Gudong Town, Sixia Town, Xuanwei Town, Bibo Township, Longshan Township, Buyi Township on site, Bamang Buyi Township and Jingyang Buyi Township.

The development of history

Mingjia Maha Book was changed to Maha County in 19 13, and the Maha River, a tributary of Qingshui River, passed through the county seat, hence the name. Majiang County was founded in 1930.

In 2000, Majiang County governed 4 towns and 5 townships. According to the data of the fifth census, the total population of the county is 20348 1, of which the population of each township (person) is: 42646 Gudong Town, Xingshan Town 16446 Sixia Town, 30609 Xuanwei Town, 34 14 1 Bibo Township, 2590 Longshan Township/kloc.

In 2003, Majiang County administered four towns, five townships (including three Buyi townships), 129 village committees (five of which were managed by Kaili Development Zone) and seven neighborhood committees. At the end of the year, the total population was 220 1 10,000; Non-agricultural population14500; Minority population157,900, accounting for 75. 15% of the total population.

Majiang's honor

It is a famous hometown of red garlic and zinc, selenium and rice in China.

On February 20th, 2065438+0616, the State Ethnic Affairs Commission named Majiang County as the fourth batch of national demonstration units for national unity and progress.