国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

Mineral resources in Tai'an

(chinadaily.com.cn)

Tai'an, Shandong province is rich in underground mineral resources. A total of 63 types of minerals have been discovered and 101 mineral deposit sites have been proved to have reserves.

The reserves in sulfur, gypsum, rock salt, sylvite, serpentine and jade rank first in Shandong province.

Bauxite reserves rank second in the province, while iron ore ranks third and coal ranks forth.

To date, 540 million tons of iron reserves have been identified, mainly in Dongping county and Daiyue district in Tai'an.

A total of 2 billion coal reserves have been identified, scattered throughout Xintai city, Feicheng city, Ningyang county and Dongping county.

Nearly 38 billion tons of gypsum reserves have been identified as well, in the Dawenkou and Wendong basins.

Halite is also scattered throughout Dawenkou Basin, which crosses Feicheng city and Daiyue district in Tai'an. The reserve area covers an area of 36.4 square kilometers. The halite has an average salt content of 86.76 percent, totaling 7.16 billion tons.

Limestone has been found throughout all the districts and counties in the city except Tai'an district. Granite is mainly found in Daiyue district, Xintai city and Feicheng city.

金塔县| 阳江市| 新宾| 湟源县| 璧山县| 阿拉善右旗| 新宁县| 洪洞县| 扶绥县| 五大连池市| 阿鲁科尔沁旗| 沿河| 监利县| 社会| 邹平县| 呼图壁县| 灌阳县| 新宾| 休宁县| 天水市| 绩溪县| 昆明市| 襄汾县| 旌德县| 浠水县| 贞丰县| 南投县| 榆树市| 海盐县| 仁化县| 邻水| 和政县| 陵川县| 延寿县| 江川县| 鄂托克旗| 文登市| 贺州市| 剑河县| 巩留县| 青海省|